Issue #14339: Improve speed of bin, oct and hex builtins.  Patch by Serhiy Storchaka (with minor modifications).
diff --git a/Misc/NEWS b/Misc/NEWS
index 6d3410f..abd7c50 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
 Core and Builtins
 -----------------
 
+- Issue #14339: Speed improvements to bin, oct and hex functions.  Patch by
+  Serhiy Storchaka.
+
 - Issue #14098: New functions PyErr_GetExcInfo and PyErr_SetExcInfo.
   Patch by Stefan Behnel.