doc: update CHANGELOG

[skip ci]

CHANGELOG.md

@@ -4,12 +4,13 @@ Nokogiri follows [Semantic Versioning](https://semver.org/), please see the [REA
 
 ---
 
-## v1.next.0 / unreleased
+## v1.next / unreleased
 
 ### Added
 
-* [CRuby] `Nokogiri::HTML5::Builder` is similar to `HTML4::Builder` but returns an `HTML5::Document`. (@flavorjones)
+* [CRuby] `Nokogiri::HTML5::Builder` is similar to `HTML4::Builder` but returns an `HTML5::Document`. @flavorjones
 * [CRuby] Attributes in an HTML5 document can be serialized individually, something that has always been supported by the HTML4 serializer. [#3125, #3127] @flavorjones
+* [CRuby] When compiling packaged libraries from source, allow users' `AR` and `LD` environment variables to set the archiver and linker commands, respectively. This augments the existing `CC` environment variable to set the compiler command. [#3165] @ziggythehamster
 
 
 ### Fixed