Attention Windows developers: do not upgrade Cygwin to version 3.5.0

[Ilmari Lauhakangas]

On 6.2.2024 13.30, Ilmari Lauhakangas wrote:
> Unfortunately Cygwin 3.5.0 has a change that causes LibreOffice builds 
> to fail with messages like this:
> 
> 321 [main] sh 1280 dofork: child 1288 - died waiting for dll loading, 
> errno 11
> 
> Please hold off on upgrading to Cygwin 3.5.0.
> 
> If you have already installed Cygwin 3.5.0, run the Cygwin installer 
> again. In the screen "Select Packages", change the version of the cygwin 
> package from 3.5.0 to 3.4.10 and finish the installation.
> 
> At this moment, the root cause of this problem is not known.
> 
> Another important note about 3.5.0 is found on Cygwin's home page: 
> "Cygwin 3.4.10 was the last Cygwin version supporting Windows 7, Windows 
> 8, Windows Server 2008 R2 and Windows Server 2012."

Now there are some indications that the issue might only affect Windows 
11 while building works on Win 10. More anecdotes are welcome.

Ilmari