Issue #21321: itertools.islice() now releases the reference to the source iterator when the slice is exhausted.
Patch by Anton Afanasyev.
diff --git a/Misc/NEWS b/Misc/NEWS
index f086cc3..ab71e01 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -46,6 +46,9 @@
Library
-------
+- Issue #21321: itertools.islice() now releases the reference to the source
+ iterator when the slice is exhausted. Patch by Anton Afanasyev.
+
- Issue #9291: Do not attempt to re-encode mimetype data read from registry in
ANSI mode. Initial patches by Dmitry Jemerov & Vladimir Iofik.