What's new in the WebKitGTK+ 2.17.4 release? ============================================ - Add API to allow overriding popup menus. - Add kinetic scrolling support. - Improve theme rendering performance when using GTK+ >= 3.20. - Improve error message when webkit_web_view_run_javascript() fails due to a JavaScript exception. - Fix artifacts when rendering large images. - Fix blob downloads. - Fix web process deadlock when seeking youtube videos. - Fix alpha premultiplying when using cairo to draw the video frames. - Fix web process deadlock when closing the remote inspector frontend. - Update several web inspector icons. - Fix several crashes and rendering issues. - Translation updates: Spanish.