Cygwin/X taskbar icons changed with latest Windows update (OS build 22635.4225)

[Brian Inglis]

On 2024-09-30 18:00, Jim Reisert AD1C via Cygwin wrote:
> For a long time, I have been a Windows Insider.  I'm currently on the Beta
> Channel:
> 
> Edition Windows 11 Pro
> Version 23H2
> Installed on ‎3/‎17/‎2023
> OS build 22635.4225
> 
> The last update (or the one before that) changed the way that the Cygwin/X
> taskbar icons appear.  Before the most recent Windows update, the icon in
> the Windows taskbar for a given Cygwin/X window (xterm or emacs) would be
> the same as the one shown in the upper-left-hand corner of that window.
> I.e. a sigma-like "E" for emacs, or a "T" overlaid on an "X" for Xterm.
> 
> After the most recent Windows update:
> 
> https://blogs.windows.com/windows-insider/2024/09/20/announcing-windows-11-insider-preview-build-22635-4225-beta-channel/
> 
> the icons on the Windows taskbar now are all the same, regardless of
> application -- a big black X with an orange-ish ring around it.
> 
> Here is how I start the Xwin server:
> 
>      D:\Cygwin\bin\run.exe --quote /usr/bin/bash.exe -l -c "cd; exec
> /usr/bin/startxwin"
> 
> I'm 99% sure this is a Windows thing, but I wonder if any Cygwin or
> Cygwin/X developers can speculate about what is happening and whether there
> is a way to make Cygwin/X more resilient to these kinds of changes in
> Windows.

That's the Xwin default app task placeholder icon - look at 
...\cygwin...\bin\XWin.exe in File Explorer, or right click icon, right click 
Xwin (#), pick Properties, click Change icon.

Could it be MS Windows does not allow unsigned apps to draw taskbar icons?
-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer     but when there is no more to cut
                                 -- Antoine de Saint-Exupéry