diff --git a/custom_components/gree_controller/manifest.json b/custom_components/gree_controller/manifest.json
index 466a331..41400aa 100644
--- a/custom_components/gree_controller/manifest.json
+++ b/custom_components/gree_controller/manifest.json
@@ -1,7 +1,7 @@
 {
   "domain": "gree_controller",
   "name": "GREE Controller",
-  "version": "0.15.4",
+  "version": "0.15.6",
   "config_flow": true,
   "integration_type": "hub",
   "iot_class": "local_polling",
diff --git a/gree-controller/CHANGELOG.md b/gree-controller/CHANGELOG.md
index 715baa6..669af69 100644
--- a/gree-controller/CHANGELOG.md
+++ b/gree-controller/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## 0.15.6
+
+- Removes the obsolete add-all `POST /api/discovery` endpoint and its compatibility-only merge path.
+- Local discovery now has one flow only: `POST /api/discovery/scan` followed by `POST /api/discovery/add`.
+- Simplifies selected-device binding: `/api/discovery/add` no longer accepts a redundant top-level `protocol_version`; each unit is bound strictly with the protocol detected during scan.
+- Removes unused discovery merge/export code and the matching obsolete OpenAPI schema.
+
+## 0.15.5
+
+- Local discovery no longer adds every detected unit automatically; scan results are reviewed first and only selected units are persisted and bound.
+- Discovery results show each unit model, MAC address, IP address and detected protocol, with already-added units clearly marked.
+- Explicit V1 AES-ECB or V2 AES-GCM discovery now strictly filters the other protocol and binds only with the selected protocol; Auto keeps V1/V2 fallback.
+- Adds `POST /api/discovery/scan` and `POST /api/discovery/add` for the selective local-discovery flow.
+
 ## 0.15.4
 
 - Updates the Rust dependency stack to current major/minor releases, including Axum 0.8, Reqwest 0.13, Rusqlite 0.40, Rand 0.10, AES 0.9, AES-GCM 0.11, Base64 0.23, SHA-2 0.11, Tower HTTP 0.7 and utoipa-swagger-ui 9.
diff --git a/gree-controller/config.yaml b/gree-controller/config.yaml
index 047f1d8..e3d3dee 100644
--- a/gree-controller/config.yaml
+++ b/gree-controller/config.yaml
@@ -1,5 +1,5 @@
 name: "GREE Controller"
-version: "0.15.4"
+version: "0.15.6"
 slug: "gree_controller"
 description: "Local GREE HVAC controller with Web UI, API, Swagger API docs and Home Assistant integration"
 url: "https://git.linuxiarz.pl/gru/gree-controller-ha-addon/"