diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8cd7fc412bb..2e6a19a9df4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,13 @@ _gated behind `unstable-v4`_
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
 
+### Fixes
+
+- Help subcommand and `Command::write_help` now report required arguments in usage in more circumstances
+- Unknown subcommand for help subcommand flag now reports an error with more context
+- More details reported when using `debug` feature
+- Allow disabling `color` feature with `debug` feature enabled
+
 ## [3.1.12] - 2022-04-22
 
 ### Fixes
diff --git a/clap_complete/CHANGELOG.md b/clap_complete/CHANGELOG.md
index e27516cf557..afe5c25d4f6 100644
--- a/clap_complete/CHANGELOG.md
+++ b/clap_complete/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
 
+### Fixes
+
+- Minimal rust-implemented clap completion engine, behind `unstable-dynamic` feature flag
+
 ## [3.1.2] - 2022-04-19
 
 ## [3.1.1] - 2022-03-02
diff --git a/clap_lex/CHANGELOG.md b/clap_lex/CHANGELOG.md
index 7dbada92f22..c5fe00bcdaa 100644
--- a/clap_lex/CHANGELOG.md
+++ b/clap_lex/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
 
+### Breaking Changes
+
+- Don't do prefix matching by default
+
 ## [0.1.1] - 2022-04-15
 
 - Drop `memchr` dependency