What's new in the WebKitGTK 2.51.90 release?
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  - Improve performance of accelerated 2D canvas by recording operations
    for batched replay.
  - Add webkit_context_menu_get_position() and webkit_context_menu_item_get_title().
  - Fix web process translatable strings to follow system locale.
  - Fix DMA-BUF buffers leaked with GTK3 when the web view is destroyed.
  - Fix several crashes and rendering issues.
  - Translation updates: Slovenian.