What's new in the WebKitGTK+ 2.19.2 release?
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  - Add new API to add, retrieve and delete cookies via WebKitCookieManager.
  - Add functions to WebSettings to convert font sizes between points and pixels.
  - Ensure cookie operations take effect when they happen before a web process has been spawned.
  - Automatically adjust font size when GtkSettings:gtk-xft-dpi changes.
  - Fix several crashes and rendering issues.