Issue #16398: Optimize deque.rotate()
diff --git a/Misc/NEWS b/Misc/NEWS
index 94cc8ac..43cfc64 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -189,6 +189,9 @@
- Issue #13899: \A, \Z, and \B now correctly match the A, Z, and B literals
when used inside character classes (e.g. '[\A]'). Patch by Matthew Barnett.
+- Issue #16398: Optimize deque.rotate() so that it only moves pointers
+ and doesn't touch the underlying data with increfs and decrefs.
+
- Issue #15109: Fix regression in sqlite3's iterdump method where it would
die with an encoding error if the database contained string values
containing non-ASCII. (Regression was introduced by fix for 9750).