What's new in the WebKitGTK 2.46.2 release?
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  - Own well-known bus name on a11y bus.
  - Improve memory consumption when putImageData is used repeatedly on accelerated canvas.
  - Disable cached web process suspension for now to prevent leaks.
  - Improve text kerning with different combinations of antialias and hinting settings.
  - Destroy all network sessions on process exit.
  - Fix visible rectangle calculation when there are animations.
  - Fix the build with ENABLE_NOTIFICATIONS=OFF.
  - Fix the build with ENABLE_FULLSCREEN_API=OFF.
  - Fix the build with ENABLE_WEB_AUDIO=OFF.
  - Fix the build on ppc64le.
  - Fix several crashes and rendering issues.