2 files changed, 4 insertions, 0 deletions

diff --git a/Misc/ACKS b/Misc/ACKS
index 08eed2d..88e92d7 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1020,6 +1020,7 @@ Ken Stox
 Dan Stromberg
 Daniel Stutzbach
 Andreas Stührk
+Colin Su
 Pal Subbiah
 Nathan Sullivan
 Mark Summerfield
diff --git a/Misc/NEWS b/Misc/NEWS
index 81224f4..227f2ac 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -29,6 +29,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #15249: BytesGenerator now correctly mangles From lines (when
+  requested) even if the body contains undecodable bytes.
+
 - Issue #15777: Fix a refleak in _posixsubprocess.
 
 - Issue ##665194: Update email.utils.localtime to use datetime.astimezone and