WebKitGTK+ 2.19.90 released!

This is a development release leading toward 2.20 series.

What’s new in the WebKitGTK+ 2.19.90 release?

• WebSockets use system proxy settings now (requires libsoup 2.61.90).
• Show the context menu on long-press gesture.
• Add support for Shift + mouse scroll to scroll horizontally.
• Fix zoom gesture to actually zoom instead of changing the page scale.
• Implement support for Graphics ARIA roles.
• Make sleep inhibitors work under Flatpak.
• Add get element CSS value command to WebDriver.
• Fix a crash aftter a swipe gesture.
• Fix several crashes and rendering issues.

Thanks to all the contributors who made possible this release.