Add a new CefGetGeolocation function for retrieving geolocation information via an API callback ( issue #764 ). - Expose tracing functionality via new cef_trace.h and cef_trace_event.h headers ( issue #711 ). Add CefV8ContextHandler::OnUncaughtException callback ( issue #736 ). Eliminate use of scoped directories ( issue #670 ). - related to cefpython Issue 2 - app error on exit Create a temporary cache_path directory if none is specified ( issue #735 ). Add CefZoomHandler interface to support custom zoom handling ( issue #733 ).