From d17f3d8315a3a775ab0807fc80acf92b1bd682f8 Mon Sep 17 00:00:00 2001 From: Shantanu Date: Sun, 17 May 2020 22:07:57 -0700 Subject: bpo-13601: Mention stderr's line buffering in What's New (GH-20168) --- Doc/whatsnew/3.9.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst index 479c33b..66e7c64 100644 --- a/Doc/whatsnew/3.9.rst +++ b/Doc/whatsnew/3.9.rst @@ -542,6 +542,10 @@ most platforms. On Fedora and SuSE, it is equal to ``"lib64"`` on 64-bit platforms. (Contributed by Jan Matějek, Matěj Cepl, Charalampos Stratakis and Victor Stinner in :issue:`1294959`.) +Previously, :attr:`sys.stderr` was block-buffered when non-interactive. Now +``stderr`` defaults to always being line-buffered. +(Contributed by Jendrik Seipp in :issue:`13601`.) + typing ------ -- cgit v0.12