Enhancement

• Continue to maintain the Lock module (@matyhtf)
• Add zpopmin and zpopmax for Redis 5 (#2684) (@ruesin)
• Remove Http\Client global buffer in kernel (@twose)
• Support ppc32/ppc64/s390x arch (#2692) (@matyhtf)
• Support SSL context options for php_stream (#2717) (@twose)
• Support multi-threading (libswoole) (@matyhtf)
• Support SSL shutdown (#2717) (@twose)

Fixed

• Fixed bug: call Request->rawContent/getData after Response->end (b989ba9) (@twose)
• Fixed OpenSSL protocol version check (c89e56f) (@twose)
• Fixed bug: MySQL double free when io error occurred (d62d543) (@twose)
• Fixed Http2 Client null pointer (537557d) (@twose)
• Fixed HTTP2 SSL settings (#2725) (@twose)
• Fixed DNS errno (@matyhtf)
• Fixed mem invalid read with fgets (5dc0670) (@matyhtf)
• Fixed swoole_async_dns_lookup_coro (b9caf5d) (@matyhtf)
• Fixed ManagerStop failed (7977fab) (@matyhtf)