Netty 4.1.41.Final release, asynchronous event-driven network application framework

Netty 4.1.41.Final released, this version mainly fixes some bug, contains some performance enhancements.

Some updates include the following:

• Http2EmptyDataFrameConnectionDecoder.frameListener() 应返回 unwrapped Http2FrameListener (#9467)
• When the capacity reduction, the buffer zone unreadable not zero ( # 9427 )
• When arrayOffset nonzero, AsciiString contentEqualsIgnoreCase failure ( # 9477 )
• EDNS0 and detected by the MTU response truncation (caused not match # 9468 )
• Be sure to replace prior to performing a handshake WebSocketServerProtocolHandshakeHandler ( # 9472 )
• Repair unexpected IllegalReferenceCountException (at the time of decoding multi-part request # 8660 )
• When used in conjunction with Http2FrameCodec Http2MultiplexHandler, correctly handle client http2 upgrade ( # 9501 )
• Reducing AbstractByteBuf.indexOf (..) generated achieve the GC ( # 9502 )
• Support the removal (in Http2StreamChannelBootstrap in # 9519 )
• Comprising native-image properties (in netty-all jar in # 9518 )
• Repair sent as "" This empty string can cause the wrong question ( # 9512 )
• When the constructor throws an ErrorDataDecoderException, HttpPostStandardRequestDecoder leak memory ( # 9517 )
• Update GraalVM Native Image of 19.2.0 configuration ( # 9515 )
• ……

For more details, see the announcement .