[PyQt] ANN: PyQt v5.12 and SIP v4.19.14 Released

[Phil Thompson]

PyQt v5.12 (and related packages) and SIP v4.19.14 have been released. These add support for Qt v5.12 including the new QtRemoteObjects module.

The web engine modules have been moved to a separate PyQtWebEngine package. This is a packaging change and does not affect applications. PyQt5 wheels are now half the size they were.

Overflow checking when converting between Python and C++ integers is now enabled by default.

Phil