1 files changed, 4 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 6ce5f2d825..b67a3a5bcd 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -66,6 +66,10 @@ Core and Builtins
 Library
 -------
 
+- Issue #25510: fileinput.FileInput.readline() now returns b'' instead of ''
+  at the end if the FileInput was opened with binary mode.
+  Patch by Ryosuke Ito.
+
 - Issue #25503: Fixed inspect.getdoc() for inherited docstrings of properties.
   Original patch by John Mark Vandenberg.