# 

 . Fix postgres client bugs @mrVrAlex


# 22.0.0

 . 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

# 4.12.1

 . Bug fixed: PDO pool client for Postgres
 . Compatible with PHP 8.2.0 (PHP-8.2.0)

# 4.12.0

 . New server option: `enable_server_token`, disable by default
 . Compatible with PHP 8.2 latest changes (PHP-8.2-RC3)
 . Fix: ignore user set encoding if it is not supported
 . Fix: Remove illegal http header
 . Fix convert double sec to long microseconds in hooked usleep by @shandyDev

# 4.11.1

 . Fix postgres client metaData api bugs
 . Fix cookie parsing bug causing cookie errors
 . Fix memory leak in swoole_stream_select
 . Fix compatible issues with old libcurl on centos 7
 . Fix compatible issues for PHP 8.0 and Fedora, Centos 7

# 4.11.0

 . HTTP2 server: allow HTTP2 client and server to set custom HTTP2 settings: http2_header_table_size, http2_initial_window_size, http2_max_concurrent_streams, http2_max_frame_size, http2_max_header_list_size
 . Support static compile
 . New feature: support http_index_files at HTTP2 server
 . CI: Remove PHP7.2/7.3 support as they are not supported by the PHP team
 . Bug fixed: Fix HTTP2 client and respect max_concurrent_streams settings
 . HTTP2: Update HTTP2 default max concurrent streams per connection to be 1280
 . Bug fixed: Respect server side settings at HTTP2 client
 . Optimize signal-driven timer code (@hauptmedia)
 . Bug fixed: $server->getWorkerPid does not return the correct worker pid when being called from another worker context
 . Bug fixed: init window size in http2 server
 . Deprecated: redis server
 . Bug fixed: close HTTP2 connection when there are errors
 . Close connection when a process is stopped and it is managing http2 sessions 
 . Bug fixed: fix user land timer is not stopping when the server is shutting down 
 . Postgres client: return empty array if the result set is empty
 . Postgres client: provide constant enums for $connection->resultStatus
 . Postgres client: added new API $pg->reset() and $pg->status() (@RedChops)
 . CI and tests: fixed many bugs in tests and improved the CI and testing (@hauptmedia)
 . Build fix for gcc < 4.9 (@dmz-uk)