diff --git a/CHANGELOG.md b/CHANGELOG.md
index 284e27d..f04c5c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
-- feat: much faster (3x) implementation for common scenarios
+- perf: much faster (from 2x up to 3x) implementation
+- feat: --characters now depends on the (default) regex feature
+- refactor: --json internally uses serde_json, faster and more precise
 
 ## [1.2.0] - 2024-01-01