The release candidate for 6.0.4 is now available for testing. You can help us by testing and reporting any issues at https://bugs.unrealircd.org/.
Lots of enhancements are made in the area of security groups and mask items in the configuration file, giving a lot of flexibility. Other notable feature enhancements are in the area of JSON logging, IRCv3 +draft/channel-context support, and more. Several bugs were fixed.
See the release notes for information on all new features and fixes.
As always, you can download UnrealIRCd from unrealircd.org.