What's new in the WebKitGTK 2.30.2 release?
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  - Fix scrolling when smooth scrolling is enabled in async scrolling mode.
  - Fix WebSocket requests with same-site cookies.
  - Fix TLS certificate information for service workers.
  - Handle chassis type when its value is quoted.
  - Fix the build with ENABLE_MEDIA_STREAM enabled and ENABLE_WEB_RTC_DISABLED.
  - Fix the build with ENABLE_GAMEPAD enabled.
  - Fix several crashes and rendering issues.