WebKitGTK+ 2.22.3 released!

This is a bug fix release in the stable 2.22 series.

Many improvements and fixes for video playback with media source extensions (MSE), which improve the user experience across the board, and in particular for playback of WebM videos.
Fix a memory leak during media playback when using playbin3.
Fix portions of Web views not being rendered after resizing.
Fix Resource Timing reporting for <iframe> elements.
Fix the build with the remote Web Inspector disabled.
Fix the build on ARMv7 with NEON extensions.
Fix several crashes and rendering issues.

Thanks to all the contributors who made possible this release.