New API

• Built-in Connection Pool (examples) (doc) (@twose)

Enhancement

• Support websocket compression on Coroutine\Http\Server (#2943) (@twose)
• Support CURLOPT_PUT, CURLOPT_INFILE, CURLOPT_INFILESIZE (#2954) (@twose)
• Add error info for bind error (#2972) (@LeiZhang-Hunter) (@twose)
• Update error info if socket call failed (it will not warn anymore if not necessary) (1e9b8cb) (@twose)
• Move the library to a separate repo (@twose)
• Support CURLOPT_IPRESOLVE (library-12ffb4d6) (@twose)
• Support CURLOPT_PORT, CURLOPT_PROXYPORT, CURLOPT_DNS_USE_GLOBAL_CACHE (library-5a718920) (@twose)
• Better CURLOPT_ENCODING support (library-7b680712) (@twose)
• Support curl_reset, CURLOPT_PROXYTYPE, CURLOPT_PROXYUSERNAME, CURLOPT_PROXYPASSWORD, CURLOPT_PROXYUSERPWD (library-84ce0a04) (@twose)

Fixed

• Fixed gdbinit in docker (missing symbol) (d46dc2d (@twose)
• Fixed compression in POST request (#2947) (@twose)
• Fixed compatibility of Websocket->push method (ac7dbcb) (@twose)
• Fixed $output result inconsistency (@Yurunsoft) (#2955)
• Fixed Coroutine::fread (#2958) (@matyhtf)
• Fixed Coroutine\Server can not exit normally #2837 (#2962) (@twose)
• Fixed memory leak in HTTP2 Server (#2964) (@twose)
• Fixed unsafe_event (#2970) (@matyhtf)
• Fixed illegal call after server start (#2977) (@twose)
• Fixed WebSocket\Frame can not enable mask (#2982) (#2983) (@twose)
• Fixed memory leak of Process callback (898894a) (@twose)
• Fixed case where minfd is never updated (#2985)
• Fixed HTTP2 module is always enable (3925e21) (@twose)
• Fixed HTTP2 context double free (#2987) (f4cdff1) (@twose)
• Fixed string comparison (#2988) (97c6c42) (9e5eae6) (@twose)
• Fixed HTTP2 pipeline (#2993) (@twose)
• Fixed coroutine context has been destroyed (#2991) (@twose)
• Fixed illegal usage of Process::daemon (#3005) (@twose)
• Fixed compilation without zlib (#3008) (@twose)

Kernel

• Refactor swoole_(get|set)_object to the way of extending zend_object (more stable and efficient) (#2966) (@twose)
• Support Github Actions (@twose) (@matyhtf)