all: log changes

CHANGELOG.md

@@ -25,12 +25,17 @@ NOTE: Add new changes BELOW THIS COMMENT.
 
 ### Fixed
 
+- Requirements to domain names in domain-specific upstream configurations has
+  been relaxed to meet those from [RFC 3696][rfc3696] ([#4884]).
 - Panic when using unencrypted DNS-over-HTTPS ([#5518]).
 - Failing service installation via script on FreeBSD ([#5431]).
 
+[#4884]: https://github.com/AdguardTeam/AdGuardHome/issues/4884
 [#5518]: https://github.com/AdguardTeam/AdGuardHome/issues/5518
 [#5431]: https://github.com/AdguardTeam/AdGuardHome/issues/5431
 
+[rfc3696]: https://datatracker.ietf.org/doc/html/rfc3696
+
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