高性能网络框架，Netty 4.0.33.Final 发布

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

主要改进：

• Fix race-condition when allocate from multiple-thread (#4388) (#4198)

• OpenSslServerContext reinitializes the provided TrustManagerFactory with the key cert chain (#4387) (#4355)

• Improve size calculation of messages when written from outside the EventLoop (#4380) (#4363)

• Always return a real slice even when the length is 0 (#4368)

• Fix possible assert error in GlobalEventExecutor (#4367) (#4357)

• Correctly handle bitshifting if system does not support unaligned access (#4366)

• Add *UnsafeHeapByteBuf for improve performance on systems with sun.misc.Unsafe (#4361)

• Allow to disable reference count checks on every access of the ByteBuf (#4344)

• A number of toString() methods on classes that implement ByteBufHolder can throw IllegalReferenceCountException (#4327)

• Forward decoded messages more frequently (#4322) (#4284)

• Ensure pending tasks are run when EmbeddedChannel.close(...) (#4322) (#4284

• Implement SSLSession.invalidate() and isValid() for OpenSSLEngine (#4307)

• Add support for server-side renegotiation when using OpenSslEngine (#4304)

• Correctly reset markers for all allocations when using PooledByteBufAllocator(#4278)

详情请看 our issue tracker。