Issue #13641: Decoding functions in the base64 module now accept ASCII-only unicode strings.
Patch by Catalin Iacob.
diff --git a/Misc/NEWS b/Misc/NEWS
index fbeb177..d9ad8fc 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -469,6 +469,9 @@
 Library
 -------
 
+- Issue #13641: Decoding functions in the base64 module now accept ASCII-only
+  unicode strings.  Patch by Catalin Iacob.
+
 - Issue #14043: Speed up importlib's _FileFinder by at least 8x, and add a
   new importlib.invalidate_caches() function.