1 files changed, 3 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 0c6c12d..df4a024 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -137,6 +137,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #21332: Ensure that ``bufsize=1`` in subprocess.Popen() selects
+  line buffering, rather than block buffering.  Patch by Akira Li.
+
 - Issue #21091: Fix API bug: email.message.EmailMessage.is_attachment is now
   a method.