What's new in the WebKitGTK 2.46.4 release?
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  - Improve memory consumption and performance of Canvas getImageData.
  - Fix preserve-3D intersection rendering.
  - Fix video dimensions since GStreamer 1.24.9.
  - Fix the HTTP-based remote Web Inspector not loading in Chromium.
  - Fix content filters not working on about:blank iframes.
  - Fix several crashes and rendering issues.