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bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows
From: |
Drew Adams |
Subject: |
bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows |
Date: |
Fri, 29 Sep 2023 18:21:16 +0000 |
> > > > Has anyone ever really reported any such flicker
> > > > on MS Windows? I've never noticed any "display
> > > > flicker" there. Quite the opposite. I used
> > >
> > > That's subject to the graphics driver installed, I believe. Many MS
> > > Windows users reported severe flicker while scrolling in the past, a
> > > problem that has all but vanished with the introduction of double
> > > buffering.
> >
> > Many MS Windows users? Are you sure? And
> > how many had no problem, and so never sent
> > a non-complaint because of no flickering,
> > let along no "severe" flickering?
>
> Almost all of them. You are a happy exception.
OK, thanks; good (for them, at least), and
good to know.
> It is expected that it will cause a regression on some systems, which
> is why the way to disable double-buffering is in NEWS.
Yes, good. But as I explained, that doesn't fix
all of the problems introduced. See what I said
about the delayed correct rendering of the frame
edge and scroll bar: they continue to appear for
a brief time in their old positions even after
the frame itself has been enlarged - and then
they jump out to where they belong (respecting
the new frame size).
>
> > Changing default behavior shouldn't, in general,
> > happen willy-nilly with a new release.
>
> It didn't. We introduced it in Emacs 26 (but not on Windows).
>
> > It's generally better to wait for user experience and request - even
> > a long time - before changing the _default_ behavior.
>
> We had enough user experience before we decided to
> have this on by default.
OK, good. So now there's one user reporting
a new problem when trying to get back to no
double-buffering. I'm sorry I don't have a
reproduction recipe. Maybe another user will
be bit by the same problem and have better
info about it.
- bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows, Drew Adams, 2023/09/27
- bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows, Po Lu, 2023/09/28
- bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows, Drew Adams, 2023/09/28
- bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows, Po Lu, 2023/09/28
- bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows, Drew Adams, 2023/09/29
- bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows, Eli Zaretskii, 2023/09/29
- bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows,
Drew Adams <=
- bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows, Eli Zaretskii, 2023/09/30
- bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows, Drew Adams, 2023/09/30
- bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows, Eli Zaretskii, 2023/09/30