What's new in the WebKitGTK 2.34.6 release?
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  - Fix accessibility not working when the Bubblewrap sandbox is enabled.
  - Fix rendering of scrollbars when overlay scrollbars are disabled.
  - Fix the build when the X11 support is disabled.
  - Fix the build in a number of situations where the main OpenGL library is
    not called libGL or libgl, as is the case on systems that use libglvnd.
  - Fix several crashes and rendering issues.