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UnrealIRCd 5.0.0-alpha4 released

Posted: Sat Oct 12, 2019 6:47 am
by Syzop
Hi everyone,

The fourth alpha version of UnrealIRCd 5 is now available for download. This is not a stable version, it is for testing only and the server may misbehave. Some planned functionality for UnrealIRCd 5 is still missing, but about 90% is there. UnrealIRCd 5 alpha versions are there to give users an early opportunity to see what the current state of UnrealIRCd 5 is. For those users who do dare to run it, feel free to report any issues you may find or comment on the many U5 features on

Most people will only want to read the release notes, rather than run or even test this version. That's perfectly fine. Be prepared for a long read.

The full release notes are available here, they are now in markdown format.

Here are the changes between 5.0.0-alpha3 and 5.0.0-alpha4:
  • Various I/O engine changes to reduce CPU usage and make things more efficient
  • Many(!) code cleanups again
  • Support for IRCv3 draft/labeled-response-0.2
  • set::allowed-channelchars now defaults to only allowing utf8 in channel names (see release notes for more information)
  • Websockets now support type 'text' and you have to explicitly enable them per listen block (see release notes for more information)
  • Use generic numeric 531 to signal a blocked message to a person
As always, you can download UnrealIRCd from