What's new in the WebKitGTK 2.25.3 release?
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  - Remove support for GTK2 NPAPI plugins.
  - Fix web view updates after swapping web process if accelerated compositing mode is forced.
  - Make kinetic scrolling work again.
  - Fix position of emoji chooser when page is scrolled.
  - Fix web process deadlock when scrolling twitter timeline which contains HLS videos.
  - Make navigation gesture use dark fallback background color color on dark themes.
  - Make Previous/Next gesture work in RTL mode.
  - Support cancelling touchscreen back/forward gesture.
  - Add user agent quirk to make github work in FreeBSD.
  - Fix content disappearing when using CSS transforms.
  - Fix some radio streams that could not be played.
  - Fix video pause that sometimes caused to skip to finish.
  - Fix volume level changes when playing a video.
  - Fix several crashes and rendering issues.