diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1978d6decde7a2a86b24db8fb2c3f372b47efdf3..33f6803f5c9f7323cd4c3a4a0055067f44325a8a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,24 @@
 
 
 
+## [4.12.0] - 2025-05-29
+
+### Add Features
+
+- Clean up code and improve number normalization logic [#321](https://gitlab.schukai.com/oss/libraries/javascript/monster/issues/321)
+### Changes
+
+- update node
+- Update JSDoc return types for clarity in MetricGraph and Metric
+- tidy
+- update docu
+- update docu
+### Documentation
+
+- update docs
+
+
+
 ## [4.11.1] - 2025-05-20
 
 ### Bug Fixes
diff --git a/nix/config/release.nix b/nix/config/release.nix
index 303c8a69ae489fb27d230e292e4e73bae9b0c890..de71652436ee202fd672874b9c4f5e0ad6796537 100644
--- a/nix/config/release.nix
+++ b/nix/config/release.nix
@@ -1,6 +1,6 @@
 {
-  version = "4.11.1";
-  commit = "7001b93f7fe9d2bf13a39e0d29111d5c8f8913ae";
+  version = "4.12.0";
+  commit = "6490636e465c2c18c8aa9d3e2a2598720983e499";
   name = "Monster";
   mnemonic = "monster";
-}
+}
\ No newline at end of file
diff --git a/package.json b/package.json
index fe6c680478fa21fc6e5fc03fac95ef69dc8bddd6..d02df5c77a3df2e6ebf68a36a3d723e28c1aacb3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@schukai/monster",
-	"version": "4.11.1",
+	"version": "4.12.0",
 	"description": "Monster is a simple library for creating fast, robust and lightweight websites.",
 	"keywords": [
 		"framework",