add changelog entry

siimon · Mar 9, 2023 · 4234088 · 4234088
1 parent 9326dff
commit 4234088
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,6 +13,8 @@ project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Changed
 
+- Refactor histogram internals and provide a fast path for rendering metrics to
+  Prometheus strings when there are many labels shared across different values.
 - Refactor `escapeString` helper in `lib/registry.js` to improve performance and
   avoid an unnecessarily complex regex.