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This is the upcoming release of Netty. Unlike prior attempts (cough Netty 5 cough), this time around, there will probably be a final release (and there's been 100+ "patch" releases of 4.1, so a version bump is well overdue!)
The main architectural change is that I/O transports are decoupled from the event loop group implementation. The other major feature is support for the
io_uringtransport, which is going to become stable in Netty 4.2, so let's add support for it officially in Velocity. The new transport should be much more efficient than the existing epoll one for Linux users, and will support many more players on a given proxy.