www/qt5-webkit: update to 5.212.0-alpha4
Changelog [1]:
New APIs
- QWebSetting::ErrorPageEnabled - true by default, allows to disable built-in error pages if they are not desirable
Improvements
- CSS Compositing is now supported
- Push is enabled by default for HTTP/2 requests
- QtWebKit does not require Python 2 anymore for building and can use Python 3 instead
- QtWebKit won't be eager to pick bitmap fonts as a suitable choice for standard font families
- More appropriiate hinting option for web fonts is used
Bug fixes
- Fix memory leak in CustomEvent
- SVG fragment identifier is not respected if it is a part of an HTTP URL (#818)
- Context menu actions for images in Resources tab of inspector use blob: instead of original URL (#899)
- Always enable JavaScript for QWebInspector (#566)
- Inspector UI: Only selected item is painted in Styles combobox (#262)
- Inspector should inspect itself in DEVELOPER_MODE only (#444)
- fast/gradients/css3-color-stop-invalid.html - box is green instead of white (#230)
- Work around QTBUG-77308 when using Qt < 5.14
- Fix compilation errors with ICU 65.1 and Qt 5.14
- Fix compilation when QPdf is disabled in Qt
- Fix compilation with MinGW for x86_64 target