[Qt4???] Re: [PATCH] Show branches from master document in branch inset dialog

[Scott Kostyshak]

On Tue, Oct 18, 2022 at 10:51:34AM -0400, Scott Kostyshak wrote:
> On Tue, Oct 18, 2022 at 03:12:40PM +0200, Pavel Sanda wrote:
> > On Fri, Oct 07, 2022 at 05:05:43PM +0200, Jean-Marc Lasgouttes wrote:
> > > Still, I am wondering why we insist on supporting Qt4 for 2.4.0 (especially
> > > considering that we will have to continue this game for 2+ years after
> > > that).
> > 
> > That was decided when we planned to release 2.4 at the end of 2019.
> > It's clear we won't be able to push 2.4 even for next debian stable
> > and I think we can relax Qt4 support and move on.
> 
> We had a conversation in July of this year. The following archive does
> not seem to show some messages in the thread:
> 
>   https://www.mail-archive.com/lyx-devel@lists.lyx.org/msg217704.html
> 
> Thibaut had some opinions, so it would be nice to hear from him first
> before we decide to go forward with requiring Qt5.
> 
> I paste Thibaut's message from 14 July 2022 here:
> 
>   As 2.4 is roughly around the corner, maybe it's best to keep Qt 4
>   compatibility, minus bogus behaviours of Qt 4 that are fixed with Qt 5: in
>   this sense, compatibility would just be "ensure that LyX builds" (it should
>   work roughly well enough) and ignoring bug reports only for Qt 4. Once
>   release, we can announce that Qt 5.9 or even 5.15, for instance, will be
>   the lowest tested version for LyX 2.5.
>   
>   I don't think it's good practice to change this kind of compatibility
>   without prior warning for packagers. Otherwise, I'm 100% ok with dropping
>   support for really old versions that have not been supported for a long
>   while. I wouldn't be ok with saying that Qt 5.0 is the minimum, given the
>   large amount of changes in Qt since 2012 (10 years ago).
> 
> By the way, I agree that 5.0 would not be the minimum. I forget, but we
> need something like 5.4. I think we might have this documented
> somewhere. If not, I can figure this out.

Thibaut?

Scott
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