1 files changed, 4 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index d5512f2..1e2a14f 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -28,6 +28,10 @@ Core and Builtins
 Library
 -------
 
+- Issue #11306: mailbox in certain cases adapts to an inability to open
+  certain files in read-write mode.  Previously it detected this by
+  checking for EACCES, now it also checks for EROFS.
+
 - Issue #11265: asyncore now correctly handles EPIPE, EBADF and EAGAIN errors
   on accept(), send() and recv().