WebKitGTK 2.27.91 released!

This is a development release leading toward 2.28 series.

What’s new in the WebKitGTK 2.27.91 release?

• Update user agent quirks to fix the unsupported browser message in several google services.
• Fix several compile warnings with GCC 10.
• Fix the build with GCC 10.
• Fix several crashes and rendering issues.
• Translation updates: Chinese

Thanks to all the contributors who made possible this release.