. Rename `co\run` to be `co::run`
. Security update: Remove embedded PHP codes, hot code execution with eval and remove `ini` option `enable_library`
. Added server Constants class: OpenSwoole\Constant
. Use \OpenSwoole as the main namespace, although \Swoole is still supported
. Pre-check server options
. Security update: New server option `enable_server_token`, disabled by default
. Built-in Psr7 API support added
. Boost ASM library upgrade
. New Psr API: $server->setHandler(\Psr\Http\Server\RequestHandlerInterface $handler)
. New Psr API: $server->handle(callable $callback)
. Redis Server API: $server->setHandler() -> $server->addCommand()
. Redis Server API: $server->getHandler() -> $server->getCommand()
. Disable sockets_*, exec, shell_exec, `gethostbyname` coroutines hook by default, remove HOOK_BLOCKING_FUNCTION and HOOK_SOCKETS in HOOK_ALL; Enable them explicitly if they are used
. Remove deprecated custom coroutine MySQL client, prefer the hooked native coroutine MySQL client
. Remove deprecated custom coroutine Redis client, prefer the hooked native coroutine Redis client
. Remove deprecated experimental coroutine HTTP server
. Remove deprecated experimental Redis protocol server
. Remove deprecated function `swoole_timer_set()` and `Timer->set()`
. Remove deprecated function `swoole_event_rshutdown`
. Remove deprecated function `Swoole\Runtime::fread`, `Swoole\Runtime::fwrite`, `Swoole\Runtime::fgets`
. Remove deprecated function `Coroutine::suspend`, use `Coroutine::yield`
. Remove deprecated function `Coroutine::getuid`, use `Coroutine::getCid`
. Remove deprecated function `Coroutine::listCoroutines`, use `Coroutine::list`
. Remove deprecated function `Table::exist`, use `Table::exists`
. Remove deprecated function `Table::delete`, use `Table::del`
. Remove deprecated function `Server->connection_info()`, use `Server->getClientInfo()`
. Remove deprecated function `Server->connection_list()`, use `Server->getClientList()`
. Remove deprecated function `Server->exist`, use `Server->exists`
. Move global constants under namespace: SWOOLE_CHANNEL_OK -> `OpenSwoole\Coroutine\Channel::CHANNEL_OK`, SWOOLE_CHANNEL_TIMEOUT -> `OpenSwoole\Coroutine\Channel::CHANNEL_TIMEOUT`, SWOOLE_CHANNEL_CLOSED -> `OpenSwoole\Coroutine\Channel::CHANNEL_CLOSED`...
. Move global constants under namespace: SWOOLE_DEFAULT_MAX_CORO_NUM -> `OpenSwoole\Coroutine::DEFAULT_MAX_CORO_NUM`...
. Remove `$server->getLastError()`, use `OpenSwoole\Util::getLastErrorCode()`
. Remove `$process->name()`, use `OpenSwoole\Util::setProcessName()`
. New Util API class: added `OpenSwoole\Util` class
. Remove option `swoole.use_shortname`, remove `Co\*` alias. `go`, `chan`, `defer`, `co::*` are available by default
. Remove `swoole_async_dns_lookup_coro`, use `OpenSwoole\Coroutine::dnsLookup` or `OpenSwoole\Coroutine\System::dnsLookup`; remove `swoole_async_set`, use `OpenSwoole\Until::setAio([])` or `$server->set([])` for `aio` options;
. Rename PHP `ini` options from `swoole.*` to be `openswoole.*`
. Remove `swoole_clear_dns_cache`, use OpenSwoole\Coroutine::clearDNSCache` or `OpenSwoole\Coroutine\System::clearDNSCache`
. Remove custom unserialize functions: `swoole_substr_unserialize` and `swoole_substr_unserialize`
. Remove `swoole_client_select` and `swoole_select`, use `OpenSwoole\Client::select`
. Remove `swoole_last_error`, use `OpenSwoole\Util::getLastErrorCode`
. `OpenSwoole\Event::wait();` should be added explicitly to wait for all the IO events
. Use `\OpenSwoole\Server::SIMPLE_MODE` and `\OpenSwoole\Server::POOL_MODE` at server structure config
. Fix: ignore user set illegal HTTP header at server
. Fix: ignore user set encoding header at client if it is not supported
. Remove hard requirements and links of json and remove compile flag `--enable-swoole-json`
. Rename compile flag `--enable-swoole-curl` to be `--enable-hook-curl`
. Fix convert double sec to long microseconds in hooked usleep by @shandyDev
