Netty 4.0.30.Final发布，高性能网络应用框架

Netty 4.0.30.Final 发布，此版本包括 30+ 改进，有 bug 修复，改进和新特性。

最主要的改进：

• ServerBootstrap.handler(...) will add handler before Channel is registered (#3933)

• Ensure OpenSslSession informations can be retrieved even after shutdown (#3934)

• NullPointerException in PendingWriteQueue (#3967) (#3991

• Disable RC4 by default when using SslContext (#3987) (#4014)

• FixedChannelPool does not count acquired channels precisely (#3988) (#4016)

• Correctly register for EPOLLRDHUP when construct EpollSocketChannel for file descriptor (#4013)

• Ensure cancelled scheduled tasks can be GC'ed ASAP (#3994)

• Send full response for unsupported websocket versions (#3999)

• Stop calling BIO_write once internal buffer is full (#3957)

• Only do priming read if there is no space in dsts buffers (#3958)

• Better handling of BUFFER_OVERFLOW when unwrap data (#3959)

详细改进列表请看 our issue tracker。

详细改进内容请看发行说明。

Netty 提供异步的、事件驱动的网络应用程序框架和工具，用以快速开发高性能、高可靠性的网络服务器和客户端程序。

体系结构图