diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3c1a47..03f5a3c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 2.0.0-beta4 21 Sep 2024
+
+- Added more module mappiongs including the Vult plugins
+- Reduced size of mapping library JSON text files by shortening JSON key strings and saving without pretty-printed spaces .. from 1.2Mb to 300Kb.
+
 ## 2.0.0-beta3 12 July 2024
 
 - Added more module mappings to factory library (ChowDSP, Nonlinear Circuits, Valley)
diff --git a/README.md b/README.md
index 42eb926..c3a62b1 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # RSBATech-Modules
 
 <!-- Version and License Badges -->
-![Version](https://img.shields.io/badge/version-2.0.0--alpha1-green.svg?style=flat-square)
+![Version](https://img.shields.io/badge/version-2.0.0--beta4-green.svg?style=flat-square)
 ![License](https://img.shields.io/badge/license-GPLv3+-blue.svg?style=flat-square)
 ![Language](https://img.shields.io/badge/language-C++-yellow.svg?style=flat-square)
 
@@ -39,7 +39,7 @@ Functionally, Orestes-One is basically ([MIDI-CAT](https://library.vcvrack.com/S
 * Export and import module mappings, so they can be shared and curated by the user community (there are over 3000 modules to be mapped after all!)
 * [Factory - provided module mappings](https://github.com/rjsmith/rsbatech-modules/wiki/Orestes%E2%80%90One-Module-User-Guide#factory-mapping-library) included
 
-Plus most MIDI-CAT features (up to [v2.0.beta4](https://github.com/stoermelder/vcvrack-packone/blob/v2/CHANGELOG.md#20beta4))
+Plus most MIDI-CAT features (up to its [v2.0.beta4](https://github.com/stoermelder/vcvrack-packone/blob/v2/CHANGELOG.md#20beta4))
 
 ## Documentation
 
diff --git a/plugin.json b/plugin.json
index f878e17..983930e 100644
--- a/plugin.json
+++ b/plugin.json
@@ -1,7 +1,7 @@
 {
   "slug": "RSBATechModules",
   "name": "RSBATech Modules",
-  "version": "2.0.0-beta3",
+  "version": "2.0.0-beta4",
   "license": "GPL-3.0-or-later",
   "brand": "RSBATech",
   "author": "Richard Smith",