The latest version of WebKitGTK+ can be downloaded from Softpedia
WebKitGTK+, a version of the WebKit open source web engine that uses GTK+ as its user-facing frontend, is now at version 2.3.4.WebKitGTK+ is out and includes both the WebKit1 and WebKit2 APIs by default. As for the WebKit1 API, it's now in maintenance mode and the developers will continue to fix any bugs.
According to the changelog, an API has been added to WebKitResponsePolicyDecision to check if the MIME type can be shown, the fullscreen API has been enabled by default, and the handling of HTTP certificates with the network process enabled has been fixed.
Also, downloads are now working with the network process enabled, and handling of cookies when network process is enabled is now working properly.
Check out the official announcement for a complete list of changes, updates, and new features. Users who intend to compile WebKitGTK+ have to keep in mind that it has a lot of dependencies.
Download WebKitGTK+ 2.3.4 right now from Softpedia.