What's new in the WebKitGTK 2.45.1 release?
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  - Use skia instead of cairo for rendering.
  - Sync WebGL content with fences when available.
  - Implement printing using the Print portal.
  - Disable the gst-libav aac decoder.
  - Fix text scaling.
  - Consider keycode when activating application accelerators.
  - Support AXActiveElement and AXSelectedChildren for comboboxes, lists and listboxes.
  - Avoid notifying an empty cursor rectangle to input methods.
  - Fix several crashes and rendering issues.