Upgrade V8 to version 4.9.385.28

https://chromium.googlesource.com/v8/v8/+/4.9.385.28

FPIIM-449

Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/ChangeLog b/ChangeLog
index d42a2f1..54bcbe4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,5234 @@
+2016-01-14: Version 4.9.385
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-14: Version 4.9.384
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-14: Version 4.9.383
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-14: Version 4.9.382
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-14: Version 4.9.381
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-14: Version 4.9.380
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-14: Version 4.9.379
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-14: Version 4.9.378
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.377
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.376
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.375
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.374
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.373
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.372
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.371
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.370
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.369
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.368
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.367
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.366
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.365
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.364
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.363
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.362
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.361
+
+        Disable concurrent osr (issue 4650).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.360
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-13: Version 4.9.359
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.358
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.357
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.356
+
+        [wasm] Rename the WASM object to _WASMEXP_ (Chromium issue 575167).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.355
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.354
+
+        Reland of "[Proxies] Ship Proxies + Reflect." (issues 1543, 3931).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.353
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.352
+
+        Gracefully handle proxies in AllCanWrite() (issue 1543, Chromium issue
+        576662).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.351
+
+        [wasm] Fix double to int conversions (Chromium issue 576560).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.350
+
+        [Proxies] Ship Proxies + Reflect (issues 1543, 3931).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.349
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.348
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.347
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.346
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.345
+
+        Add @@species/better subclassing support to Promises (issue 4633,
+        Chromium issue 575314).
+
+        TypedArray and ArrayBuffer support for @@species (issue 4093).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-12: Version 4.9.344
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.343
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.342
+
+        Ship ES2015 sloppy-mode const semantics (issue 3305).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.341
+
+        Partial rollback of Promise error checking (issue 4633).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.340
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.339
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.338
+
+        [wasm] Fix set_local appearing in unreachable code (Chromium issue
+        575861).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.337
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.336
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.335
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.334
+
+        [wasm] Avoid crashing if parsing fails in asm -> wasm (Chromium issue
+        575369).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.333
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.332
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-11: Version 4.9.331
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-09: Version 4.9.330
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.329
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.328
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.327
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.326
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.325
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.324
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.323
+
+        Fix sloppy block-scoped function hoisting with nested zones (Chromium
+        issue 537816).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.322
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.321
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.320
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.319
+
+        [wasm] Fix validation error for missing return statement in asm.js
+        module (Chromium issue 575364).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.318
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.317
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.316
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.315
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-08: Version 4.9.314
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.313
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.312
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.311
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.310
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.309
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.308
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.307
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.306
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.305
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.304
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.303
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.302
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.301
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-07: Version 4.9.300
+
+        Add Array support for @@species and subclassing (issue 4093).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-06: Version 4.9.299
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-06: Version 4.9.298
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-06: Version 4.9.297
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.296
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.295
+
+        Ship ES2015 sloppy-mode function hoisting, let, class (issues 3305,
+        4285).
+
+        Ship destructuring assignment (issue 811).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.294
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.293
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.292
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.291
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.290
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.289
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.288
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.287
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.286
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-05: Version 4.9.285
+
+        Accept time zones like GMT-8 in the legacy date parser (Chromium issue
+        422858).
+
+        Timezone name check fix (Chromium issue 364374).
+
+        Add a --harmony-species flag, defining @@species on constructors (issue
+        4093).
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-04: Version 4.9.284
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-04: Version 4.9.283
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-04: Version 4.9.282
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-04: Version 4.9.281
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-04: Version 4.9.280
+
+        Performance and stability improvements on all platforms.
+
+
+2016-01-01: Version 4.9.279
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-31: Version 4.9.278
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-31: Version 4.9.277
+
+        Fix 'illegal access' in Date constructor edge case (issue 4640).
+
+        Reland of Use ES2015-style TypedArray prototype chain (patchset #1 id:1
+        of https://codereview.chromium.org/1554523002/ ) (issue 4085).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-30: Version 4.9.276
+
+        Reland "Clean up promises and fix an edge case bug (patchset #4 id:60001
+        of https://codereview.chromium.org/1488783002/ )" (issue 3641).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-30: Version 4.9.275
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-30: Version 4.9.274
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-30: Version 4.9.273
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-29: Version 4.9.272
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-29: Version 4.9.271
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-29: Version 4.9.270
+
+        [crankshaft] Don't inline array resize operations if receiver's proto is
+        not a JSObject (Chromium issue 571064).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-29: Version 4.9.269
+
+        [ic] Fixed receiver_map register trashing in KeyedStoreIC megamorphic
+        (Chromium issue 571370).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-29: Version 4.9.268
+
+        Use ES2015-style TypedArray prototype chain (issue 4085).
+
+        Guard the property RegExp.prototype.unicode behind --harmony-regexp-
+        unicode (issue 4644).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-28: Version 4.9.267
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-28: Version 4.9.266
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-26: Version 4.9.265
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-26: Version 4.9.264
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-25: Version 4.9.263
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-24: Version 4.9.262
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-24: Version 4.9.261
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-23: Version 4.9.260
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-23: Version 4.9.259
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-23: Version 4.9.258
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-23: Version 4.9.257
+
+        [elements] Enable left-trimming again (issue 4606).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-23: Version 4.9.256
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-23: Version 4.9.255
+
+        Reland of Add web compat workarounds for ES2015 RegExp semantics
+        (patchset #3 id:40001 of https://codereview.chromium.org/1543723002/ )
+        (issues 4617, 4637).
+
+        Add web compat workarounds for ES2015 RegExp semantics (issues 4617,
+        4637).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-22: Version 4.9.254
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-22: Version 4.9.253
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-21: Version 4.9.252
+
+        [ES6] Stage sloppy function block scoping (issue 3305).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-21: Version 4.9.251
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-21: Version 4.9.250
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-21: Version 4.9.249
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-21: Version 4.9.248
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-21: Version 4.9.247
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-21: Version 4.9.246
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-21: Version 4.9.245
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-20: Version 4.9.244
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-20: Version 4.9.243
+
+        Mark all APIs without callers in Blink as deprecated.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-19: Version 4.9.242
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-19: Version 4.9.241
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-18: Version 4.9.240
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-18: Version 4.9.239
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-18: Version 4.9.238
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-18: Version 4.9.237
+
+        Stage Proxies and Reflect behind --harmony flag (issues 1543, 3931).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-18: Version 4.9.236
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-18: Version 4.9.235
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-18: Version 4.9.234
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.233
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.232
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.231
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.230
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.229
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.228
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.227
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.226
+
+        [IC] Fix "compatible receiver" checks hidden behind interceptors
+        (Chromium issue 497632).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.225
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.224
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.223
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.222
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-17: Version 4.9.221
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-16: Version 4.9.220
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-16: Version 4.9.219
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-16: Version 4.9.218
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-16: Version 4.9.217
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-16: Version 4.9.216
+
+        Stage destructuring assignment (issue 811).
+
+        Update DEPS entry for tracing to point at correct location.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-16: Version 4.9.215
+
+        [harmony] unstage regexp lookbehind assertions (issue 4545).
+
+        Move Object.observe back to shipping temporarily (Chromium issues
+        552100, 569417, 569647).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-14: Version 4.9.214
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-14: Version 4.9.213
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-14: Version 4.9.212
+
+        [harmony] stage regexp lookbehind assertions (issue 4545).
+
+        [es6] ship regexp sticky flag (issue 4342).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-14: Version 4.9.211
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.210
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.209
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.208
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.207
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.206
+
+        [es6] Support Function name inference in variable declarations (issue
+        3699).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.205
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.204
+
+        Disable --harmony-object-observe (Chromium issue 552100).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.203
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.202
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.201
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.200
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.199
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.198
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.197
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.196
+
+        Re-re-land FastAccessorBuilder (Chromium issue 508898).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.195
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-11: Version 4.9.194
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.193
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.192
+
+        Unstage non-standard Promise functions (issue 3237).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.191
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.190
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.189
+
+        Allow ICU to normalize time zones (Chromium issue 487322).
+
+        Fix FuncNameInferrer usage in ParseAssignmentExpression (issue 4595).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.188
+
+        Fix Function subclassing (issues 3101, 3330, 4597).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.187
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.186
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.185
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.184
+
+        Re-land FastAccessorBuilder (Chromium issue 508898).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.183
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.182
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.181
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.180
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.179
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.178
+
+        Implement FastAccessorBuilder (Chromium issue 508898).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-10: Version 4.9.177
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-09: Version 4.9.176
+
+        Updated the check for unmodfied objects to handle Smi Objects (Chromium
+        issue 553287).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-09: Version 4.9.175
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-09: Version 4.9.174
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-08: Version 4.9.173
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-08: Version 4.9.172
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-08: Version 4.9.171
+
+        Remove usage of deprecated APIs from api interceptor tests (issue 4341).
+
+        Deprecate Promise::Chain from V8 APIs (issue 3237).
+
+        Set the Gregorian changeover date to the beginning of time in Intl
+        (Chromium issue 537382).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.170
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.169
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.168
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.167
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.166
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.165
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.164
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.163
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.162
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.161
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.160
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.159
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-07: Version 4.9.158
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-06: Version 4.9.157
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-06: Version 4.9.156
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-06: Version 4.9.155
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-05: Version 4.9.154
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-05: Version 4.9.153
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-05: Version 4.9.152
+
+        Clean up promises and fix an edge case bug (issue 3641).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.151
+
+        [es6] implement destructuring assignment (issue 811).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.150
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.149
+
+        Mark deprecated debugger APIs as such.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.148
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.147
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.146
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.145
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.144
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.143
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.142
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.141
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.140
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.139
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.138
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.137
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-04: Version 4.9.136
+
+        Mark BooleanObject::New() as deprecated.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-03: Version 4.9.135
+
+        For non-prototype objects constructed using base==new.target, use the
+        cached constructor to render the name (Chromium issue 563791).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-03: Version 4.9.134
+
+        Deprecate non-standard Array methods and clarify Object::isArray.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-03: Version 4.9.133
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-03: Version 4.9.132
+
+        Fix inobject slack tracking for both subclassing and non-subclassing
+        cases (Chromium issue 563339).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-03: Version 4.9.131
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-03: Version 4.9.130
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-02: Version 4.9.129
+
+        Removed support deprecated (//@|/*@) source(URL|MappingURL)= (Chromium
+        issue 558998).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-02: Version 4.9.128
+
+        Improve rendering of callsite with non-function target (issue 3953).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-02: Version 4.9.127
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-02: Version 4.9.126
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-02: Version 4.9.125
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-02: Version 4.9.124
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-02: Version 4.9.123
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-02: Version 4.9.122
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-02: Version 4.9.121
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-01: Version 4.9.120
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-01: Version 4.9.119
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-01: Version 4.9.118
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-01: Version 4.9.117
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-01: Version 4.9.116
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-01: Version 4.9.115
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-01: Version 4.9.114
+
+        Performance and stability improvements on all platforms.
+
+
+2015-12-01: Version 4.9.113
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.112
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.111
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.110
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.109
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.108
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.107
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.106
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.105
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.104
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.103
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.102
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.101
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.100
+
+        Move RMA::Label out of the class, so it can be forward declared
+        (Chromium issue 508898).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.99
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.98
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.97
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.96
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-30: Version 4.9.95
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-29: Version 4.9.94
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-29: Version 4.9.93
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-28: Version 4.9.92
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-28: Version 4.9.91
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-27: Version 4.9.90
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-27: Version 4.9.89
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-27: Version 4.9.88
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-27: Version 4.9.87
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-27: Version 4.9.86
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-27: Version 4.9.85
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-27: Version 4.9.84
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-27: Version 4.9.83
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.82
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.81
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.80
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.79
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.78
+
+        Mark PromiseRejectMessage::GetStackTrace as deprecated.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.77
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.76
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.75
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.74
+
+        Add explicit Isolate parameter to Exception::CreateMessage() (Chromium
+        issue 495801).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.73
+
+        Allow in-object properties in JSArrayBuffer (issue 4531).
+
+        Allow in-object properties in JSTypedArray and JSDataView (issue 4531).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.72
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.71
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.70
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-26: Version 4.9.69
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-25: Version 4.9.68
+
+        Reland shipping of --harmony-destructuring-bind (issue 811).
+
+        Fix promotion of JSFunctions with in-object properties (issue 4572,
+        Chromium issue 561481).
+
+        Allow in-object properties in JSCollections, JSWeakCollections and
+        JSRegExp (issue 4531).
+
+        Fix JSFunction's in-object properties initialization (issue 4572).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-25: Version 4.9.67
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-25: Version 4.9.66
+
+        Removed support deprecated (//@|/*@) source(URL|MappingURL)= (Chromium
+        issue 558998).
+
+        PPC: Reshuffle registers in JSConstructStub to avoid trashing costructor
+        and new.target on fast path (so we don't need to push/pop them)
+        (Chromium issue 560239).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-24: Version 4.9.65
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-24: Version 4.9.64
+
+        Move --harmony-destructuring-bind to shipping (issue 811).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-24: Version 4.9.63
+
+        Reshuffle registers in JSConstructStub to avoid trashing costructor and
+        new.target on fast path (so we don't need to push/pop them) (Chromium
+        issue 560239).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-24: Version 4.9.62
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-24: Version 4.9.61
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-24: Version 4.9.60
+
+        Allow in-object properties in JSFunctions (issue 4531).
+
+        Disable non-standard Promise functions in staging (issue 3237).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-24: Version 4.9.59
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-24: Version 4.9.58
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-24: Version 4.9.57
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.56
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.55
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.54
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.53
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.52
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.51
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.50
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.49
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.48
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.47
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-23: Version 4.9.46
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-22: Version 4.9.45
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-22: Version 4.9.44
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-22: Version 4.9.43
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-21: Version 4.9.42
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.41
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.40
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.39
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.38
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.37
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.36
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.35
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.34
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.33
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.32
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.31
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.30
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-20: Version 4.9.29
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-19: Version 4.9.28
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-19: Version 4.9.27
+
+        [V8] Unify get function name for debugging purpose (Chromium issue
+        17356).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-19: Version 4.9.26
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-19: Version 4.9.25
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-19: Version 4.9.24
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-19: Version 4.9.23
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-19: Version 4.9.22
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-19: Version 4.9.21
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-19: Version 4.9.20
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-18: Version 4.9.19
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-18: Version 4.9.18
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-18: Version 4.9.17
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-18: Version 4.9.16
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-18: Version 4.9.15
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-18: Version 4.9.14
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-17: Version 4.9.13
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-17: Version 4.9.12
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-17: Version 4.9.11
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-17: Version 4.9.10
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-16: Version 4.9.9
+
+        Map v8::Object to v8::internal::JSReceiver.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-16: Version 4.9.8
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-16: Version 4.9.7
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-16: Version 4.9.6
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-16: Version 4.9.5
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-16: Version 4.9.4
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-15: Version 4.9.3
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-15: Version 4.9.2
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-15: Version 4.9.1
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-13: Version 4.8.294
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-13: Version 4.8.293
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.292
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.291
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.290
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.289
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.288
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.287
+
+        [JSON stringifier] Correctly load array elements (Chromium issue
+        554946).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.286
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.285
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.284
+
+        Ship --harmony-default-parameters (issue 2160).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.283
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.282
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.281
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.280
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-12: Version 4.8.279
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-11: Version 4.8.278
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-11: Version 4.8.277
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-11: Version 4.8.276
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-11: Version 4.8.275
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-11: Version 4.8.274
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-11: Version 4.8.273
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-11: Version 4.8.272
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-11: Version 4.8.271
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-11: Version 4.8.270
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-11: Version 4.8.269
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-10: Version 4.8.268
+
+        Make JSFunction::BodyDescriptor the only single place that knows how to
+        iterate JSFunction's body (issue 4531).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-10: Version 4.8.267
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-09: Version 4.8.266
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-09: Version 4.8.265
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-09: Version 4.8.264
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-09: Version 4.8.263
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-09: Version 4.8.262
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-09: Version 4.8.261
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-09: Version 4.8.260
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-09: Version 4.8.259
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-09: Version 4.8.258
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-07: Version 4.8.257
+
+        Update v8_external_startup_data_assets for
+        https://codereview.chromium.org/1422793004/ (Chromium issue 547162).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-07: Version 4.8.256
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-07: Version 4.8.255
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-06: Version 4.8.254
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-06: Version 4.8.253
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-06: Version 4.8.252
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-06: Version 4.8.251
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-06: Version 4.8.250
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-06: Version 4.8.249
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-06: Version 4.8.248
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-06: Version 4.8.247
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.246
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.245
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.244
+
+        Re-ship @@toStringTag (issue 3502).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.243
+
+        Stage --harmony-destructuring and --harmony-default-parameters (issues
+        811, 2160).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.242
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.241
+
+        Re-re-land "[es6] Implement destructuring binding in try/catch" (issue
+        811).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.240
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.239
+
+        Add v8_external_startup_data GN rule (Chromium issue 547162).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.238
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.237
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.236
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.235
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.234
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.233
+
+        Implement flag and source getters on RegExp.prototype (issues 3715,
+        4528).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.232
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-05: Version 4.8.231
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.230
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.229
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.228
+
+        Ship Harmony ToLength (issue 3087).
+
+        Avoid creating indexed elements at index maxUint32 (issue 4516).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.227
+
+        Implement flag and source getters on RegExp.prototype (issues 3715,
+        4528).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.226
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.225
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.224
+
+        [es6] Implement destructuring binding in try/catch (issue 811).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.223
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.222
+
+        Implement flag and source getters on RegExp.prototype (issues 3715,
+        4528).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.221
+
+        Implement flag and source getters on RegExp.prototype (issues 3715,
+        4528).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.220
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.219
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-04: Version 4.8.218
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-03: Version 4.8.217
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-03: Version 4.8.216
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-03: Version 4.8.215
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-03: Version 4.8.214
+
+        [es6] Fix Object built-in subclassing (issue 3886).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-03: Version 4.8.213
+
+        [es6] Fix WeakMap/Set built-ins subclasssing (issues 3101, 3330).
+
+        Reland "[es6] Fix Function and GeneratorFunction built-ins subclassing."
+        (issues 3101, 3330).
+
+        Implement flag and source getters on RegExp.prototype (issues 3715,
+        4528).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-03: Version 4.8.212
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-03: Version 4.8.211
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-03: Version 4.8.210
+
+        For now, don't assume failed-access-check callback to throw (Chromium
+        issue 548194).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-03: Version 4.8.209
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.208
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.207
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.206
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.205
+
+        Mark GetCallingContext as soon-to-be deprecated (Chromium issue 541703).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.204
+
+        Add boolean to tell if V8 zaps allocated memory (Chromium issue 546492).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.203
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.202
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.201
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.200
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.199
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.198
+
+        [es6] Fix Function and GeneratorFunction built-ins subclassing (issues
+        3101, 3330).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.197
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.196
+
+        Reland "[es6] Better support for built-ins subclassing." (issues 3101,
+        3330, 4419).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-11-02: Version 4.8.195
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-30: Version 4.8.194
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-30: Version 4.8.193
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-30: Version 4.8.192
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-30: Version 4.8.191
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-30: Version 4.8.190
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-30: Version 4.8.189
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-30: Version 4.8.188
+
+        [es6] Better support for built-ins subclassing (issues 3101, 3330).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-30: Version 4.8.187
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-30: Version 4.8.186
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-30: Version 4.8.185
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-29: Version 4.8.184
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-29: Version 4.8.183
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-29: Version 4.8.182
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-29: Version 4.8.181
+
+        Reland v8::Private and related APIs.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-29: Version 4.8.180
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-29: Version 4.8.179
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-29: Version 4.8.178
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-29: Version 4.8.177
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-29: Version 4.8.176
+
+        Stage ES2015 ToLength semantics (issues 3087, 4244).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.175
+
+        Avoid calling %AddElement with a number out of array index range (issue
+        4516).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.174
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.173
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.172
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.171
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.170
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.169
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.168
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.167
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.166
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-28: Version 4.8.165
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-27: Version 4.8.164
+
+        Update to ES2015 == semantics for Symbol/SIMD wrappers (issue 3593).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-27: Version 4.8.163
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-27: Version 4.8.162
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-27: Version 4.8.161
+
+        Fix deoptimization at ForInStatement::BodyId() (issue 4381).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-27: Version 4.8.160
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-27: Version 4.8.159
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-27: Version 4.8.158
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-27: Version 4.8.157
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-27: Version 4.8.156
+
+        Check that array length stays a safe integer in Array.prototype.push
+        (issue 3087).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-26: Version 4.8.155
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-26: Version 4.8.154
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-26: Version 4.8.153
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-26: Version 4.8.152
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-26: Version 4.8.151
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-26: Version 4.8.150
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-26: Version 4.8.149
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-26: Version 4.8.148
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-25: Version 4.8.147
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-25: Version 4.8.146
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-24: Version 4.8.145
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-24: Version 4.8.144
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-24: Version 4.8.143
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-24: Version 4.8.142
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-23: Version 4.8.141
+
+        Stage ES2015-style const in sloppy mode (issue 3739).
+
+        Map v8::Function to JSReceiver + IsCallable.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-23: Version 4.8.140
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-22: Version 4.8.139
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-22: Version 4.8.138
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-22: Version 4.8.137
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-22: Version 4.8.136
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-22: Version 4.8.135
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-22: Version 4.8.134
+
+        [es6] stage sticky regexps and RegExp.prototype.flags (issue 4342).
+
+        [Crankshaft] Don't do HMathFloorOfDiv optimization for kUint32 values
+        (issue 4507).
+
+        Fix user options for fractional digits in Intl.NumberFormatter (Chromium
+        issue 544122).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-22: Version 4.8.133
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.132
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.131
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.130
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.129
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.128
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.127
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.126
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.125
+
+        [es6] Handle super properly when rewriting arrow parameter initializers
+        (issue 4395).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.124
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.123
+
+        [es6] Fix scoping for default parameters in arrow functions (issue
+        4395).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.122
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.121
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-21: Version 4.8.120
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-20: Version 4.8.119
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-20: Version 4.8.118
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-20: Version 4.8.117
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-20: Version 4.8.116
+
+        Refactor array construction for map, filter (Chromium issue 544991).
+
+        [es6] Fix scoping for default parameters in arrow functions (issue
+        4395).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-20: Version 4.8.115
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-20: Version 4.8.114
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-20: Version 4.8.113
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-20: Version 4.8.112
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-20: Version 4.8.111
+
+        [es6] stage sticky regexps and RegExp.prototype.flags (issue 4342).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.110
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.109
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.108
+
+        ll_prof: Do not use the deprecated tempfile.mktemp() (issue 1306).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.107
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.106
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.105
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.104
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.103
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.102
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.101
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.100
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.99
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.98
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.97
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-19: Version 4.8.96
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-18: Version 4.8.95
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-18: Version 4.8.94
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-18: Version 4.8.93
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-17: Version 4.8.92
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.91
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.90
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.89
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.88
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.87
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.86
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.85
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.84
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.83
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.82
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.81
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-16: Version 4.8.80
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.79
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.78
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.77
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.76
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.75
+
+        Make RegExp use ToLength on lastIndex when flag is turned on (issue
+        4244).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.74
+
+        Take Symbol-keyed properties into account in Object.freeze and friends
+        (Chromium issue 539875).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.73
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.72
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.71
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.70
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.69
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.68
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.67
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-15: Version 4.8.66
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.65
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.64
+
+        Add methods to extras' InternalPackedArray (issue 4276).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.63
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.62
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.61
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.60
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.59
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.58
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.57
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.56
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-14: Version 4.8.55
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.54
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.53
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.52
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.51
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.50
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.49
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.48
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.47
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.46
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.45
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-13: Version 4.8.44
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-12: Version 4.8.43
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-12: Version 4.8.42
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-12: Version 4.8.41
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-12: Version 4.8.40
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-12: Version 4.8.39
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-12: Version 4.8.38
+
+        Test for var declarations in eval which conflict with let (issue 4454).
+
+        Don't compile functions in a context the caller doesn't have access to
+        (Chromium issue 541703).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-12: Version 4.8.37
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-12: Version 4.8.36
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-12: Version 4.8.35
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-11: Version 4.8.34
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-09: Version 4.8.33
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-09: Version 4.8.32
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-09: Version 4.8.31
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-09: Version 4.8.30
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-09: Version 4.8.29
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-09: Version 4.8.28
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-09: Version 4.8.27
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-09: Version 4.8.26
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-09: Version 4.8.25
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-08: Version 4.8.24
+
+        Stage --harmony_sloppy_function (issue 4285).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-08: Version 4.8.23
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-08: Version 4.8.22
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-08: Version 4.8.21
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-08: Version 4.8.20
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-08: Version 4.8.19
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-08: Version 4.8.18
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-08: Version 4.8.17
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-08: Version 4.8.16
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.15
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.14
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.13
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.12
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.11
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.10
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.9
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.8
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.7
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.6
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.5
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.4
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-07: Version 4.8.3
+
+        Destructuring array without initializer throws an exception (issue
+        4462).
+
+        Disable VirtualAlloc randomization on 32-bit Windows hosts (Chromium
+        issue 394591).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-06: Version 4.8.2
+
+        Fix legacy const for-of/in destructuring (issue 4461).
+
+        [es6] Align Promise.resolve with the spec (issues 4161, 4341).
+
+        Prohibit let in lexical bindings (issue 4403).
+
+        Ensure scopes are backed by blocks in the body of for loops (Chromium
+        issues 536750, 536751).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-10-04: Version 4.8.1
+
+        [cross-context] create new function prototypes in the context of the
+        function (issue 4217).
+
+        Fix completion of try..finally (issue 2529).
+
+        Extend Annex B 3.3 sloppy-mode block-scoped hoisting to scripts, eval
+        (issue 4441).
+
+        [V8] Add name of function for function's closure scope (Chromium issue
+        493156).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-17: Sentinel
+
+        The ChangeLog file is no longer maintained on bleeding_edge. This
+        sentinel should stay on top of this list.
+
+
+2015-05-17: Version 4.5.2
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-16: Version 4.5.1
+
+        Test that TypedArray methods don't read length (issue 3578).
+
+        Implement %TypedArray%.{fill,find,findIndex} (issue 3578).
+
+        TypedArray.prototype.copyWithin method (issue 3578).
+
+        Provide accessor for object internal properties that doesn't require
+        debugger to be active (Chromium issue 481845).
+
+        Don't create debug context if debug listener is not set (Chromium issue
+        482290).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-13: Version 4.4.65
+
+        Deprecate Isolate::New.
+
+        Factor out core of Array.forEach and .every, for use in TypedArrays
+        (issue 3578).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-12: Version 4.4.64
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-11: Version 4.4.63
+
+        Let Runtime_GrowArrayElements accept non-Smi numbers as |key| (Chromium
+        issue 485410).
+
+        Make one copy for all TypedArray methods (issue 4085).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-09: Version 4.4.62
+
+        [turbofan] Fix handling of OsrLoopEntry in ControlReducer::ConnectNTL()
+        (Chromium issue 485908).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-08: Version 4.4.61
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-08: Version 4.4.60
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-08: Version 4.4.59
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-07: Version 4.4.58
+
+        TypedArray.prototype.every method (issue 3578).
+
+        [V8] Reland https://codereview.chromium.org/1121833003/ (Chromium issue
+        480652).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-07: Version 4.4.57
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-06: Version 4.4.56
+
+        Shard v8_base.lib on Windows to avoid 2G .lib limit (Chromium issue
+        485155).
+
+        Implement a 'trial parse' step, that will abort pre-parsing excessively
+        long and trivial functions, so that they can be eagerly compiled after
+        all. This essentially allows the parser to renege on its earlier
+        decision to lazy-parse, if additional information suggests it was a bad
+        decision (Chromium issue 470930).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-06: Version 4.4.55
+
+        Handle the case when derived constructor is [[Call]]ed with 0 args
+        (Chromium issue 474783).
+
+        freed_nodes in global-handles should be addititive (Chromium issues
+        479796, 484671).
+
+        [V8] Reland https://codereview.chromium.org/1100993003/ (Chromium issue
+        480652).
+
+        [es6] When comparing two symbols we may need to throw a TypeError (issue
+        4073).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-06: Version 4.4.54
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-05: Version 4.4.53
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-05: Version 4.4.52
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-04: Version 4.4.51
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-04: Version 4.4.50
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-01: Version 4.4.49
+
+        Performance and stability improvements on all platforms.
+
+
+2015-05-01: Version 4.4.48
+
+        [V8] Use previous token location as EOS token location (Chromium issue
+        480652).
+
+        Implement kToBeExecutedOnceCodeAge (Chromium issue 470930).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-30: Version 4.4.47
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-30: Version 4.4.46
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-29: Version 4.4.45
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-29: Version 4.4.44
+
+        Pass ArrayBuffer::Allocator via Isolate::CreateParams.
+
+        Fix unobservable constructor replacement on prototype maps (Chromium
+        issue 478522).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-29: Version 4.4.43
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-28: Version 4.4.42
+
+        MIPS: Fix FP load/store with large offsets from base register (Chromium
+        issue 481519).
+
+        Extending v8::GetHeapStatistics to return total available size (Chromium
+        issue 476013).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-28: Version 4.4.41
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-28: Version 4.4.40
+
+        Do more to avoid last-resort stop-the-world GC (Chromium issue 481433).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-27: Version 4.4.39
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-27: Version 4.4.38
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-25: Version 4.4.37
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-24: Version 4.4.36
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-24: Version 4.4.35
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-24: Version 4.4.34
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-23: Version 4.4.33
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-23: Version 4.4.32
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-23: Version 4.4.31
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-22: Version 4.4.30
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-22: Version 4.4.29
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-21: Version 4.4.28
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-21: Version 4.4.27
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-20: Version 4.4.26
+
+        Allow for accessing an ArrayBuffer contents without externalizing it.
+
+        Remove support for externally backed elements from the API (issue 3996).
+
+        Deprecate 3-args ResourceConstraints::ConfigureDefaults.
+
+        Indicate that low-memory-notificatin triggered GCs are "forced".
+
+        Adding missing V8_EXPORT flag in SpaceStatistics class in v8.h (Chromium
+        issues 466141, 476013).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-20: Version 4.4.25
+
+        Turn off SupportsFlexibleFloorAndRound for Arm64 due to a bug (Chromium
+        issue 476477).
+
+        Adding V8 api to get memory statistics of spaces in V8::Heap (Chromium
+        issues 466141, 476013).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-17: Version 4.4.24
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-17: Version 4.4.23
+
+        Don't crash when reporting an access check failure for a detached global
+        proxy (Chromium issue 475884).
+
+        Use smaller heap growing factor in idle notification to start
+        incremental marking when there is idle time >16ms (Chromium issue
+        477323).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-16: Version 4.4.22
+
+        Reduce regexp compiler stack size when not optimizing regexps (Chromium
+        issue 475705).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-15: Version 4.4.21
+
+        Remove support for specifying the number of available threads.
+
+        When converting Maybe and MaybeLocal values with a check, always check.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-15: Version 4.4.20
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-15: Version 4.4.19
+
+        Reland "Remove support for thread-based recompilation" (issue 3608).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-14: Version 4.4.18
+
+        Reland "Remove support for thread-based recompilation" (issue 3608).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-14: Version 4.4.17
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-13: Version 4.4.16
+
+        Expose ArrayBufferView::HasBuffer (issue 3996).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-13: Version 4.4.15
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-12: Version 4.4.14
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-12: Version 4.4.13
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-10: Version 4.4.12
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-10: Version 4.4.11
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-10: Version 4.4.10
+
+        Don't #define snprintf in VS2015 - it's illegal and unneeded (Chromium
+        issue 440500).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-09: Version 4.4.9
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-09: Version 4.4.8
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-08: Version 4.4.7
+
+        Make GetDebugContext a bit more robust (Chromium issue 474538).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-08: Version 4.4.6
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-08: Version 4.4.5
+
+        More robust when allocation fails during compaction (Chromium issue
+        473307).
+
+        MIPS: JSEntryTrampoline: check for stack space before pushing arguments
+        (Chromium issue 469768).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-07: Version 4.4.4
+
+        Debugger: remove debug command API.
+
+        Remove support for thread-based recompilation (issue 3608).
+
+        JSEntryTrampoline: check for stack space before pushing arguments
+        (Chromium issue 469768).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-07: Version 4.4.3
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-06: Version 4.4.2
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-06: Version 4.4.1
+
+        Support for typed arrays added to Heap::RightTrimFixedArray() (Chromium
+        issue 472513).
+
+        Expose an API on ArrayBufferView to copy out content w/o changing the
+        buffer (issue 3996).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-02: Version 4.3.66
+
+        Reland: Fix JSON parser Handle leak (previous CL 1041483004) (issue
+        3976, Chromium issue 472504).
+
+        Turn off overapproximation of the weak closure again (issue 3862).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-01: Version 4.3.65
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-01: Version 4.3.64
+
+        Performance and stability improvements on all platforms.
+
+
+2015-04-01: Version 4.3.63
+
+        [V8] Don't ignore sourceURL comment in inline scripts in .stack (issue
+        3920).
+
+        Deprecate IdleNotification().
+
+        Remove --harmony-numeric-literal flag.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-31: Version 4.3.62
+
+        Put newspace evacuation in an EvacuationScope (Chromium issue 471554).
+
+        Fix libdl dependency on Android and remove librt hack (Chromium issue
+        469973).
+
+        Ensure that GC idle notifications either make progress or stop
+        requesting more GCs (Chromium issue 470615).
+
+        Layout descriptor must be trimmed when corresponding descriptors array
+        is trimmed to stay in sync (Chromium issue 470804).
+
+        Fix JSON parser Handle leak (issue 3976).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-30: Version 4.3.61
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-28: Version 4.3.60
+
+        Reland^2 "Filter invalid slots out from the SlotsBuffer after marking."
+        (Chromium issues 454297, 470801).
+
+        This fixes missing incremental write barrier issue when double fields
+        unboxing is enabled (Chromium issue 469146).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-27: Version 4.3.59
+
+        Use a slot that is located on a heap page when removing invalid entries
+        from the SlotsBuffer (Chromium issue 470801).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-26: Version 4.3.58
+
+        Return timestamp of the last recorded interval to the caller of
+        HeapProfiler::GetHeapStats (Chromium issue 467222).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-26: Version 4.3.57
+
+        Reland [V8] Removed SourceLocationRestrict (Chromium issue 468781).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-25: Version 4.3.56
+
+        Remove v8::Isolate::ClearInterrupt.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-25: Version 4.3.55
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-24: Version 4.3.54
+
+        Do not assign positions to parser-generated desugarings (Chromium issue
+        468661).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-24: Version 4.3.53
+
+        Filter invalid slots out from the SlotsBuffer after marking (Chromium
+        issue 454297).
+
+        Fix OOM bug 3976 (issue 3976).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-24: Version 4.3.52
+
+        Remove calls to IdleNotification().
+
+        Save heap object tracking data in heap snapshot (Chromium issue 467222).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-24: Version 4.3.51
+
+        [V8] Removed SourceLocationRestrict (Chromium issue 468781).
+
+        [turbofan] Fix control reducer bug with walking non-control edges during
+        ConnectNTL phase (Chromium issue 469605).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-23: Version 4.3.50
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-23: Version 4.3.49
+
+        Ensure we don't overflow in BCE (Chromium issue 469148).
+
+        [turbofan] Fix lowering of Math.max for integral inputs (Chromium issue
+        468162).
+
+        Use libdl to get symbols for backtraces.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-19: Version 4.3.48
+
+        Clarify what APIs return Maybe and MaybeLocal values (issue 3929).
+
+        Introduce explicit constant for per Context debug data set by embedder
+        (Chromium issue 466631).
+
+        Adjust key behaviour for weak collections (issues 3970, 3971, Chromium
+        issue 460083).
+
+        Turn on overapproximation of the weak closure (issue 3862).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-18: Version 4.3.47
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-17: Version 4.3.46
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-17: Version 4.3.45
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-17: Version 4.3.44
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-16: Version 4.3.43
+
+        Bugfix in hydrogen GVN (Chromium issue 467481).
+
+        Remove obsolete TakeHeapSnapshot method from API (Chromium issue
+        465651).
+
+        Beautify syntax error for unterminated argument list (Chromium issue
+        339474).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-16: Version 4.3.42
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-15: Version 4.3.41
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-14: Version 4.3.40
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-14: Version 4.3.39
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-14: Version 4.3.38
+
+        Remove --harmony-scoping flag.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-13: Version 4.3.37
+
+        Implement TDZ in StoreIC for top-level lexicals (issue 3941).
+
+        Turn on job-based optimizing compiler (issue 3608).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-13: Version 4.3.36
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-12: Version 4.3.35
+
+        Add Cast() for Int32 and Uint32 (Chromium issue 462402).
+
+        Incorrect handling of HTransitionElementsKind in hydrogen check
+        elimination phase fixed (Chromium issue 460917).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-12: Version 4.3.34
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-12: Version 4.3.33
+
+        Fix the toolchain used to build the snapshots in GN (Chromium issues
+        395249, 465456).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-11: Version 4.3.32
+
+        Reland of Remove slots that point to unboxed doubles from the
+        StoreBuffer/SlotsBuffer (Chromium issues 454297, 465273).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-11: Version 4.3.31
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-11: Version 4.3.30
+
+        Remove uid and title from HeapSnapshot (Chromium issue 465651).
+
+        Remove deprecated CpuProfiler methods.
+
+        [turbofan] Fix --turbo-osr for OSRing into inner loop inside for-in
+        (Chromium issue 462775).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-10: Version 4.3.29
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-10: Version 4.3.28
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-10: Version 4.3.27
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-07: Version 4.3.26
+
+        Remove slots that point to unboxed doubles from the
+        StoreBuffer/SlotsBuffer (Chromium issue 454297).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-06: Version 4.3.25
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-06: Version 4.3.24
+
+        convert more things to maybe (issue 3929).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-05: Version 4.3.23
+
+        [V8] Use Function.name for stack frames in v8::StackTrace (Chromium
+        issue 17356).
+
+        Allow passing sourceMapUrl when compiling scripts (Chromium issue
+        462572).
+
+        convert compile functions to use maybe (issue 3929).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-05: Version 4.3.22
+
+        give UniquePersistent full move semantics (issue 3669).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-05: Version 4.3.21
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-04: Version 4.3.20
+
+        convert remaining object functions to maybes (issue 3929).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-04: Version 4.3.19
+
+        ARM assembler: fix undefined behaviour in fits_shifter (Chromium issues
+        444089, 463436).
+
+        Implement subclassing Arrays (issue 3930).
+
+        [es6] Fix for-const loops (issue 3983).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-04: Version 4.3.18
+
+        Implement subclassing Arrays (issue 3930).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-04: Version 4.3.17
+
+        Implement subclassing Arrays (issue 3930).
+
+        convert more object functions to return maybes (issue 3929).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-03: Version 4.3.16
+
+        check for null context on execution entry (issue 3929).
+
+        convert object::* to return maybe values (issue 3929).
+
+        Removed funky Maybe constructor and made fields private (issue 3929).
+
+        Polish Maybe API a bit, removing useless creativity and fixing some
+        signatures (issue 3929).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-02: Version 4.3.15
+
+        Performance and stability improvements on all platforms.
+
+
+2015-03-02: Version 4.3.14
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-28: Version 4.3.13
+
+        Disallow subclassing Arrays (issue 3930).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-28: Version 4.3.12
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-27: Version 4.3.11
+
+        Disallow subclassing Arrays (issue 3930).
+
+        convert Value::*Value() function to return Maybe results (issue 3929).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-27: Version 4.3.10
+
+        Convert v8::Value::To* to use MaybeLocal (issue 3929).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-26: Version 4.3.9
+
+        Add public version macros (issue 3075).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-26: Version 4.3.8
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-25: Version 4.3.7
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-25: Version 4.3.6
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-25: Version 4.3.5
+
+        Turn on job based recompilation (issue 3608).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-24: Version 4.3.4
+
+        Reland "Correctly propagate terminate exception in TryCall." (issue
+        3892).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-24: Version 4.3.3
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-24: Version 4.3.2
+
+        Update GN build files with the cpu_arch -> current_cpu change.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-23: Version 4.3.1
+
+        Limit size of first page based on serialized data (Chromium issue
+        453111).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-19: Version 4.2.77
+
+        Make generator constructors configurable (issue 3902).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-19: Version 4.2.76
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-18: Version 4.2.75
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-18: Version 4.2.74
+
+        Correctly propagate terminate exception in TryCall (issue 3892).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-17: Version 4.2.73
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-17: Version 4.2.72
+
+        [turbofan] Fix control reducer with re-reducing branches (Chromium issue
+        458876).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-16: Version 4.2.71
+
+        Implement ES6 rest parameters (issue 2159).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-13: Version 4.2.70
+
+        new classes: no longer experimental (issue 3834).
+
+        Make it possible to define arguments for CompileFunctionInContext.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-12: Version 4.2.69
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-11: Version 4.2.68
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-11: Version 4.2.67
+
+        Throw on range error when creating a string via API (issue 3853).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-11: Version 4.2.66
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-10: Version 4.2.65
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-10: Version 4.2.64
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-10: Version 4.2.63
+
+        Introduce a compile method that takes context extensions (Chromium issue
+        456192).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-09: Version 4.2.62
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-09: Version 4.2.61
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-07: Version 4.2.60
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-07: Version 4.2.59
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-07: Version 4.2.58
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-06: Version 4.2.57
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-06: Version 4.2.56
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-06: Version 4.2.55
+
+        Protect against uninitialized lexical variables at top-level (Chromium
+        issue 452510).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-05: Version 4.2.54
+
+        Fix HConstant(double, ...) constructor (issue 3865).
+
+        Add NativeWeakMap to v8.h (Chromium issue 437416).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-05: Version 4.2.53
+
+        Fix issue with multiple properties and emit store (issue 3856).
+
+        Class methods should be non enumerable (issue 3330).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-04: Version 4.2.52
+
+        Add WeakKeyMap to v8.h (Chromium issue 437416).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-04: Version 4.2.51
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-03: Version 4.2.50
+
+        Reset inlining limits due to overly long compilation times in
+        Speedometer, Dart2JS (Chromium issue 454625).
+
+        Add WeakMap to v8.h (Chromium issue 437416).
+
+        [V8] Added line, column and script symbols for SyntaxError (Chromium
+        issue 443140).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-03: Version 4.2.49
+
+        Compute the same hash for all NaN values (issue 3859).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-03: Version 4.2.48
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-02: Version 4.2.47
+
+        Check global object behind global proxy for extensibility (Chromium
+        issue 454091).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-02: Version 4.2.46
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-02: Version 4.2.45
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-01: Version 4.2.44
+
+        Performance and stability improvements on all platforms.
+
+
+2015-02-01: Version 4.2.43
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-31: Version 4.2.42
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-31: Version 4.2.41
+
+        Layout descriptor sharing issue fixed (issue 3832, Chromium issue
+        437713).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-30: Version 4.2.40
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-30: Version 4.2.38
+
+        Move object literal checking into checker classes (issue 3819).
+
+        [turbofan] Fix OSR compilations of for-in.
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-30: Version 4.2.37
+
+        Do not create unresolved variables when parsing arrow functions lazily
+        (issue 3501).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-29: Version 4.2.36
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-29: Version 4.2.35
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-28: Version 4.2.34
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-28: Version 4.2.33
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-27: Version 4.2.32
+
+        Do not generalize field representations when making elements kind or
+        observed transition (Chromium issue 448711).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-27: Version 4.2.31
+
+        [x86] Disable AVX unless the operating system explicitly claims to
+        support it (issue 3846, Chromium issue 452033).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-27: Version 4.2.30
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-26: Version 4.2.29
+
+        MIPS: Fixed Hydrogen environment handling for mul-i ARM and ARM64 (issue
+        451322).
+
+        [turbofan] Simplify reduction if IfTrue and IfFalse and fix bugs
+        (Chromium issue 451958).
+
+        Add HeapNumber fast path to v8::Value::{Uint,Int}32Value() (Chromium
+        issue 446097).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-26: Version 4.2.28
+
+        Fixed Hydrogen environment handling for mul-i on ARM and ARM64 (issue
+        451322).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-25: Version 4.2.27
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-24: Version 4.2.26
+
+        ES6 Array.prototype.toString falls back on Object.prototype.toString if
+        method "join" is not callable (issue 3793).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-23: Version 4.2.25
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-23: Version 4.2.24
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-23: Version 4.2.23
+
+        [x86] Blacklist AVX for Windows versions before 6.1 (Windows 7) (issue
+        3846).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-23: Version 4.2.22
+
+        Fix run-time ARMv6 detection (issue 3844).
+
+        Support concatenating with zero-size arrays with DICTIONARY_ELEMENTS in
+        Runtime_ArrayConcat (Chromium issue 450895).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-22: Version 4.2.21
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-22: Version 4.2.20
+
+        Add a pretty printer to improve the error message non-function calls
+        (Chromium issue 259443).
+
+        Remove implicit uint8_t to char cast in string replace (Chromium issue
+        446196).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-21: Version 4.2.19
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-20: Version 4.2.18
+
+        Fix issue with __proto__ when using ES6 object literals (issue 3818).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-20: Version 4.2.17
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-20: Version 4.2.16
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-19: Version 4.2.15
+
+        Unobscurified OFStream (Chromium issue 448102).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-19: Version 4.2.14
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-18: Version 4.2.13
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-18: Version 4.2.12
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-17: Version 4.2.11
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-16: Version 4.2.10
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-16: Version 4.2.9
+
+        MIPS: ES6 computed property names (issue 3754).
+
+        ES6 computed property names (issue 3754).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-15: Version 4.2.8
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-15: Version 4.2.7
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-15: Version 4.2.6
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-15: Version 4.2.5
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-14: Version 4.2.4
+
+        Auto-generate v8 version based on tags (Chromium issue 446166).
+
+        Remove support for signatures with arguments.
+
+        Add proper support for proxies to HType (Chromium issue 448730).
+
+        [turbofan] Fix truncation/representation sloppiness wrt. bool/bit (issue
+        3812).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-14: Version 4.2.3
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-14: Version 4.2.2
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-14: Version 4.2.1
+
+        Map -0 to integer 0 for typed array constructors (Chromium issue
+        447756).
+
+        Introduce a gyp variable to control whether or not slow dchecks are on.
+
+        Correctly setup the freelist of the coderange on Win64 (Chromium issue
+        447555).
+
+        Fast forward V8 to version 4.2.
+
+        Remove "extra checks".
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-08: Version 3.32.7
+
+        Correctly parse line ends for debugging (issue 2825).
+
+        Fixed printing during DCE (issue 3679).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-08: Version 3.32.6
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-08: Version 3.32.5
+
+        Correct handling of exceptions occured during getting of exception stack
+        trace (Chromium issue 444805).
+
+        Fix bug in Runtime_CompileOptimized resulting from stack overflow
+        (Chromium issue 446774).
+
+        Turn on job-based recompilation (issue 3608).
+
+        Performance and stability improvements on all platforms.
+
+
+2015-01-07: Version 3.32.4
+
+        Performance and stability improvements on all platforms.
+
+
 2015-01-07: Version 3.32.3
 
         Performance and stability improvements on all platforms.