Fixes issue #6838: use a list to accumulate the value instead of repeatedly concatenating strings.
diff --git a/Misc/NEWS b/Misc/NEWS
index c2eea0f..aed5bf8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -72,6 +72,11 @@
Library
-------
+- Issue #6838: Use a list to accumulate the value instead of
+ repeatedly concatenating strings in httplib's
+ HTTPResponse._read_chunked providing a significant speed increase
+ when downloading large files servend with a Transfer-Encoding of 'chunked'.
+
- Issue #6794: Fix Decimal.compare_total and Decimal.compare_total_mag: NaN
payloads are now ordered by integer value rather than lexicographically.