- Added the (temporary) pyqt5_enable_new_onexit_scheme() to allow experimentation with the new on-exit clean-up scheme.
- Added support for sip v5.
- Added the missing QObject.disconnect(QMetaObject.Connection) overload.
- Deprecated PYQT_CONFIGURATION.
- SIP v4.19.19 is required.
Depends on D7328
Signed-off-by: Pierre-Yves <pyu@riseup.net>