[doc] Update release notes, refs #2963

docs/pages/release_notes.md

@@ -14,6 +14,12 @@ This is a {{ site.pmd.release_type }} release.
 
 ### New and noteworthy
 
+#### CPD
+
+*   The C++ module now supports the new option [`--ignore-literal-sequences`](https://pmd.github.io/latest/pmd_userdocs_cpd.html#-ignore-literal-sequences),
+    which can be used to avoid detection of some uninteresting clones. This options has been
+    introduced with PMD 6.30.0 for C# and is now available for C++ as well. See [#2963](https://github.com/pmd/pmd/pull/2963).
+
 #### New Rules
 
 *   The new Apex rule {% rule "apex/errorprone/OverrideBothEqualsAndHashcode" %} brings the well known Java rule
@@ -44,6 +50,7 @@ This is a {{ site.pmd.release_type }} release.
 
 *   [#2666](https://github.com/pmd/pmd/pull/2666): \[swift] Manage swift5 string literals - [kenji21](https://github.com/kenji21)
 *   [#2959](https://github.com/pmd/pmd/pull/2959): \[apex] New Rule: override equals and hashcode rule - [recdevs](https://github.com/recdevs)
+*   [#2963](https://github.com/pmd/pmd/pull/2963): \[cpp] Add option to ignore sequences of literals - [Maikel Steneker](https://github.com/maikelsteneker)
 *   [#2964](https://github.com/pmd/pmd/pull/2964): \[cs] Update C# grammar for additional C# 7 and C# 8 features - [Maikel Steneker](https://github.com/maikelsteneker)
 *   [#2965](https://github.com/pmd/pmd/pull/2965): \[cs] Improvements for ignore sequences of literals functionality - [Maikel Steneker](https://github.com/maikelsteneker)
 *   [#2983](https://github.com/pmd/pmd/pull/2983): \[java] LiteralsFirstInComparisons should consider constant fields - [Ozan Gulle](https://github.com/ozangulle)