all: imp docs

CHANGELOG.md

@@ -27,6 +27,10 @@ NOTE: Add new changes BELOW THIS COMMENT.
 
 - Support for comments in the ipset file ([#5345]).
 
+### Changed
+
+- Rewrite rules mechanics was changed due to improve resolving in safe search.
+
 ### Fixed
 
 - YouTube restricted mode is not enforced by HTTPS queries on Firefox.

internal/filtering/safesearch/safesearch.go

@@ -189,6 +189,9 @@ func (ss *Default) CheckHost(host string, qtype rules.RRType) (res filtering.Res
 	}
 
 	res = *fltRes
+
+	// TODO(a.garipov): Consider switch back to resolving CNAME records IPs and
+	// saving results to cache.
 	ss.setCacheResult(host, qtype, res)
 
 	return res, nil