misc

IODevice
socket engine
accessibility
QStyle
QRegexp
QQuickItem parent unified with QObject parent
QVariant / metatype / stationary
app entry points
STL interop on containers
datastream
alternatives to QAbstractItemModel
- API should not be based on QVariant
deprecate string-based connect?
- at least something like ifndef QT_NO_STRING_BASED_CONNECT, ASAP
build system
code reorg
other modules
unify gestures in widgets & QML
better examples and tutorials
QEvent hierarchy refactoring

C++