[Development] Windows 7 support future removal

[Lars Knoll]

> On 24 Aug 2018, at 08:03, Thiago Macieira <thiago.macieira at intel.com> wrote:
> 
> Since we're talking about macOS 10.11 and I came across the Windows support 
> lifetime pages, I'm posting this for future reference.
> 
> https://support.microsoft.com/en-us/help/13853/windows-lifecycle-fact-sheet
> 
> Windows 7 ends its Extended Support lifecycle on January 14, 2020, roughly a 
> year and a half from now. If we keep our current release cycle, the current 
> release at that time will be 5.14. Or, put differently, Windows 7 will be out 
> of support when 5.15 launches.
> 
> We may want to drop support for it in one of those two releases. We should 
> announce we're doing so one year before the fact. So if we'd like to drop in 
> 5.14, we should include the announcement in the 5.12 changelog.

We know that quite some users stay on unsupported versions of Windows for quite a while. I wonder whether it wouldn’t be easiest in this case to then drop Windows 7 with Qt 6.0 in Autumn 2020 (ie. in the release after 5.15).

Cheers,
Lars