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Netty 4.1.33.Final released

Today we announce the release of netty 4.1.33.Final as the first release in 2019. This release contains mostly bugfixes, some improvements and a few performance wins.

  • Allowed IP_FREEBIND option for UDP epoll (#8727)
  • Ensure FlowControlled data frames will be correctly removed from the flow-controller when a write error happens. (#8726)
  • Only handle NXDOMAIN as failure when nameserver is authoritative or no the other nameservers are left (#8731)
  • Correctly buffer multiple outbound streams if needed. (#8694)
  • Only call handlerRemoved(...) if handlerAdded(...) was called during adding the handler to the pipeline (#8684)
  • Correctly detect and handle CNAME loops. (#8691)
  • Fix ClassCastException and native crash when using kqueue transport (#8665)
  • Support 1012, 1013 and 1014 WebSocket close status code (#8664)
  • NoClassDefFoundError on Android platform when try to use DefaultDnsServerAddressStreamProvider (#8656)
  • ChannelInitializer may be invoked multiple times when used with custom EventExecutor (#8620)
  • Respect calls while processing reads for the child channels when using Http2MultiplexCodec (#8617)
  • Loosen bounds check on CompositeByteBuf's maxNumComponents (#8621)
  • Provide a way to cache the internal nioBuffer of the PooledByteBuffer to reduce GC (#8603)

For the details and all changes, please browse our issue tracker for 4.1.33.Final.

Thank You

Every idea and bug-report counts and so we thought it is worth mentioning those who helped in this area. Please report an unintended omission.