-+ Added INI entries: http.log.not_found, http.send.not_found_404
-* Fixed build on Debian systems where access to Curl_* functions is prohibited
-* Fixed empty Cache-Control header if not customly set with HttpResponse
-* Reset Content-Disposition and Content-Type if file is not found by http_send_file() etc
++ Added HttpException::__toString() which takes care about any inner exceptions
+- Disallowed detaching HttpRequest objects from HttpRequestPool while executing progress callback
+* Fixed issues with inheritance and cloning of HttpDeflateStream, HttpInflateStream and HttpMessage
+ (Extending classes lose default properties on instantiation; Complex members ignored during cloning)
+* Fixed suppression of nested exceptions in e.g. HttpRequestPool::send() (fixes bug #8535)
+* Fixed crash on detaching requests from pool in request event callbacks