WebKitGTK 2.29.4 released!

This is a development release leading toward 2.30 series.

What’s new in the WebKitGTK 2.29.4 release?

• Add support for backdrop filters.
• Add support for text-underline-offset and text-decoration-thickness.
• Add OpenCDM and AV1 support to media backend.
• Add new API to get ITP data summary.
• Use mobile user-agent on tablets.
• Fix several crashes and rendering issues.

Thanks to all the contributors who made possible this release.