diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a53a7b..dfff270 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,27 @@
 # Changelog
 
-All notable changes to iNTERCEPT will be documented in this file.
-
-## [2.15.0] - 2026-02-09
-
-### Added
+All notable changes to iNTERCEPT will be documented in this file.
+
+## [2.21.0] - 2026-02-20
+
+### Added
+- Analytics panels for operational insights and temporal pattern analysis
+
+### Changed
+- Global map theme refresh with improved contrast and cross-dashboard consistency
+- Cross-app UX refinements for accessibility, mode consistency, and render performance
+- BT Locate enhancements including improved continuity, smoothing, and confidence reporting
+
+### Fixed
+- Weather satellite auto-scheduler and Mercator tracking reliability issues
+- Bluetooth/WiFi runtime health issues affecting scanner continuity
+- ADS-B SSE multi-client fanout stability and remote VDL2 streaming reliability
+
+---
+
+## [2.15.0] - 2026-02-09
+
+### Added
 - **Real-time WebSocket Waterfall** - I/Q capture with server-side FFT
   - Click-to-tune, zoom controls, and auto-scaling quantization
   - Shared waterfall UI across SDR modes with function bar controls
diff --git a/config.py b/config.py
index cbb5014..a5561d1 100644
--- a/config.py
+++ b/config.py
@@ -6,14 +6,26 @@ import logging
 import os
 import sys
 
-# Application version
-VERSION = "2.20.0"
+# Application version
+VERSION = "2.21.0"
 
 # Changelog - latest release notes (shown on welcome screen)
-CHANGELOG = [
-    {
-        "version": "2.20.0",
-        "date": "February 2026",
+CHANGELOG = [
+    {
+        "version": "2.21.0",
+        "date": "February 2026",
+        "highlights": [
+            "Global map theme refresh with improved contrast and cross-dashboard consistency",
+            "Cross-app UX updates for accessibility, mode consistency, and render performance",
+            "Weather satellite reliability fixes for auto-scheduler and Mercator pass tracking",
+            "Bluetooth/WiFi runtime health fixes with BT Locate continuity and confidence improvements",
+            "ADS-B/VDL2 streaming reliability upgrades for multi-client SSE fanout and remote decoding",
+            "Analytics enhancements with operational insights and temporal pattern panels",
+        ]
+    },
+    {
+        "version": "2.20.0",
+        "date": "February 2026",
         "highlights": [
             "Space Weather mode: real-time solar and geomagnetic monitoring from NOAA SWPC, NASA SDO, and HamQSL",
             "Kp index, solar wind, X-ray flux charts with Chart.js visualization",
diff --git a/pyproject.toml b/pyproject.toml
index 677a23c..061a597 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "intercept"
-version = "2.20.0"
+version = "2.21.0"
 description = "Signal Intelligence Platform - Pager/433MHz/ADS-B/Satellite/WiFi/Bluetooth"
 readme = "README.md"
 requires-python = ">=3.9"