[Development] Commercial-only LTS phase starts: Closing the 5.15 branch(es) on 5th January

[Richard Weickelt]

> Right. That will become an issue in 4 months when GCC 11 ships with its internal
> header-dependency refactorings, breaking all sorts of Qt code, and
> that will then
> bubble down to various distro downstreams during this year and next. Then again,
> distro packagers can hopefully handle that. Using the Qt packages or
> installer for 5.15 may
> give you a broken Qt somewhat sooner. Intriguing.

Could you elaborate? Thanks.