New API

• Runtime::getHookFlags (#2915) (@limingxinleo)

Enhancement

• Support Websocket Compression on client-side (#2937) (@twose)
• Support compress websocket message by frame (#2937) (@twose)
• Optimized the detect logical of shortname (#2935) (@sy-records)
• Better compression handler (Gzip and Brotli) (#2928) (@twose)
• Reduce memory copy (#2893) (7fc9350) (@hantaohuang) (@twose)
• Accepted connection will inherit the options of server (#2898) (@twose)
• Coroutine\Http\Server support HTTP2 protocol now (5479dbc) (@matyhtf)
• Automatically add Content-Type header when use sendfile (4e62bc5) (@matyhtf)
• Compatibility with Zend preloader (Special thanks to PHP team) (#2899) (@twose)
• Implement RFC-7692 (#2906) (@matyhtf)
• Support PHP error control operators (#2916) (@twose)
• Support socket_send_timeout option for sync client (#2919) (@matyhtf)
• Support NPN (#2900) (@matyhtf)
• Improve HTTP proxy handshake request (#2922) (@twose)

Fixed

• Fixed AIO task num overflow (7038bdc) (@twose)
• Fixed gdbinit, support get backtrace info of current stack (bd033e5) (@twose)
• Fixed Websocket Compression (ca81865) (@matyhtf)
• Fixed compilation failure caused BrotliDecoder (#2925) (@twose)
• Fixed memory error caused by compressing big data (#2928) (@twose)
• Fixed #2890 (start a Process\Pool without onWorkerStart event) (#2892) (@twose)
• Fixed the bug that close the connection in non-current worker (#2891) (@matyhtf)
• Fixed memory error of create socket failure (2948f10) (@matyhtf)
• Fixed missing ssl_host_name of HTTPS proxy (#2904) (@twose)
• Fixed CID-1466865 (#2923) (@Tutanhamon)