diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6bd262147..f8588b42c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,10 @@
 
 All notable changes to Bambuddy will be documented in this file.
 
-## [0.2.3b3] - Unreleased
+## [0.2.3b4] - Unreleased
+
+
+## [0.2.3b3] - 2026-04-12
 
 ### Improved
 - **AMS Drying Support for P2S** — Remote AMS drying and queue auto-drying now work on P2S printers with firmware 01.02.00.00 or later. Previously P2S was hard-blocked from the drying feature.
diff --git a/backend/app/core/config.py b/backend/app/core/config.py
index 11a214eb7..f79407ba6 100644
--- a/backend/app/core/config.py
+++ b/backend/app/core/config.py
@@ -5,7 +5,7 @@ from pathlib import Path
 from pydantic_settings import BaseSettings
 
 # Application version - single source of truth
-APP_VERSION = "0.2.3b3"
+APP_VERSION = "0.2.3b4"
 GITHUB_REPO = "maziggy/bambuddy"
 BUG_REPORT_RELAY_URL = os.environ.get("BUG_REPORT_RELAY_URL", "https://bambuddy.cool/api/bug-report")