GNU bug report logs - #77039
31.0.50; Flickering on macOS

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#77039: closed (31.0.50; Flickering on macOS)
Date: Sat, 29 Mar 2025 10:41:01 +0000

[Message part 1 (text/plain, inline)]

Your message dated Sat, 29 Mar 2025 13:40:05 +0300
with message-id <86ikns86ii.fsf <at> gnu.org>
and subject line Re: bug#77039: 31.0.50; Flickering on macOS
has caused the debbugs.gnu.org bug report #77039,
regarding 31.0.50; Flickering on macOS
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
77039: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=77039
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Aaron Jensen <aaronjensen <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 31.0.50; Flickering on macOS
Date: Sat, 15 Mar 2025 09:41:38 -0700

I have been using Emacs 31 since the version was increased on master. In
the last few monthns I have noticed that there is occasional flickering
where the text will not render and the background will be visible. This
only happens in a part of the window and not the entire window. It seems
to get worse the longer Emacs is open and it seems to only occur in
certain buffers or windows. I cannot consistently reproduce it and
sometimes it takes hours of Emacs being open for it to start happening
so it's challenging to bisect.

I don't know if there have been any changes to the rendering code
recently that could potentially cause this. I'm wondering about the
recent child frame changes to make them compatible with the terminal. I
make heavy use of child frames for text completions and other things. Is
it possible that that is related? I don't think there have been many
macOS specific changes recently.

I'll send more information as I get it, but I wanted to report this
in case anyone had any ideas.


In GNU Emacs 31.0.50 (build 2, aarch64-apple-darwin24.3.0, NS
 appkit-2575.40 Version 15.3.2 (Build 24D81)) of 2025-03-15 built on
 Aarons-MacBook-Pro-3.local
Repository revision: 3860562a715b8ba7b727f7831e06ce5a0e676784
Repository branch: master
Windowing system distributor 'Apple', version 10.3.2575
System Description:  macOS 15.3.2

Configured using:
 'configure --with-ns --with-native-compilation --with-modules
 --without-dbus --without-webp --with-xml2 --with-gnutls
 --disable-ns-self-contained'

Configured features:
ACL GLIB GNUTLS LCMS2 LIBXML2 MODULES NATIVE_COMP NOTIFY KQUEUE NS
PDUMPER PNG RSVG SQLITE3 THREADS TOOLKIT_SCROLL_BARS TREE_SITTER XIM
ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Magit

Minor modes in effect:
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  denote-rename-buffer-mode: t
  denote-menu-bar-mode: t
  windmove-mode: t
  corfu-prescient-mode: t
  corfu-history-mode: t
  which-key-posframe-mode: t
  which-key-mode: t
  global-anzu-mode: t
  anzu-mode: t
  global-evil-mc-mode: t
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  evil-surround-mode: t
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  global-auto-revert-mode: t
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  ws-butler-global-mode: t
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  tabspaces-mode: t
  savehist-mode: t
  delete-selection-mode: t
  yas-global-mode: t
  yas-minor-mode: t
  vertico-prescient-mode: t
  prescient-persist-mode: t
  vertico-mouse-mode: t
  vertico-mode: t
  mini-frame-mode: t
  better-jumper-mode: t
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  +popup-mode: t
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  evil-local-mode: t
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  global-leader-key-leader-override-mode: t
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  override-global-mode: t
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  global-eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
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  tab-bar-mode: t
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  global-font-lock-mode: t
  font-lock-mode: t
  window-divider-mode: t
  minibuffer-regexp-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/Users/aaronjensen/.emacs.d/elpaca/builds/lispy/elpa hides /Users/aaronjensen/.emacs.d/elpaca/builds/ivy/elpa
/Users/aaronjensen/.emacs.d/elpaca/builds/transient/transient hides /Users/aaronjensen/Source/emacs/lisp/transient

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Memory information:
((conses 16 2238502 3433019) (symbols 48 87339 26) (strings 32 653723 387319)
 (string-bytes 1 16855963) (vectors 16 290916) (vector-slots 8 3770891 910650)
 (floats 8 3361 4370) (intervals 56 25266 4815) (buffers 992 74))

[Message part 3 (message/rfc822, inline)]

From: Eli Zaretskii <eliz <at> gnu.org>
To: "Aaron Jensen" <aaronjensen <at> gmail.com>
Cc: gerd.moellmann <at> gmail.com, alan <at> idiocy.org, 77039-done <at> debbugs.gnu.org
Subject: Re: bug#77039: 31.0.50; Flickering on macOS
Date: Sat, 29 Mar 2025 13:40:05 +0300

> Cc: gerd.moellmann <at> gmail.com, alan <at> idiocy.org, 77039 <at> debbugs.gnu.org
> From: "Aaron Jensen" <aaronjensen <at> gmail.com>
> Date: Sun, 23 Mar 2025 16:55:02 +0000
> 
> Thank you for the detailed response. Unless I'm missing something, it sounds like we can close this. I don't
> know if the FIXME comment is worth removing (or perhaps replaced with an explanation, rather than an
> expressed intent to correct).
> 
> Aside from that, with the flicker gone, I'm happy. Thank you all.

I'm therefore closing this bug.

I don't think the FIXME comment should be removed, as the solution
there is not the best one.

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