Patch #602345 by Neal Norwitz and me: add -B option and PYTHONDONTWRITEBYTECODE envvar to skip writing bytecode.
diff --git a/Misc/NEWS b/Misc/NEWS
index 3896dd8..dbc0034 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,10 @@
Core and builtins
-----------------
+- Patch #602345: Add -B command line option, PYTHONDONTWRITEBYTECODE envvar
+ and sys.dont_write_bytecode attribute. All these can be set to forbid Python
+ to attempt to write compiled bytecode files.
+
- Improve some exception messages when Windows fails to load an extension
module. Now we get for example '%1 is not a valid Win32 application' instead
of 'error code 193'.