diff --git a/docs/changelog.md b/docs/changelog.md
index d82e7b82..7d2f39c0 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,3 +1,16 @@
+#### 1.6.0-alpha.1
+
+* Update BBR congestion control for TUIC and Hysteria2 **1**
+* Update quic-go to v0.39.0
+* Update gVisor to 20230814.0
+* Remove [Deprecated Features](/deprecated) by agreement
+* Fixes and improvements
+
+**1**:
+
+None of the existing Golang BBR congestion control implementations have been reviewed or unit tested.
+This update is intended to address the multi-send defects of the old implementation and may introduce new issues.
+
 #### 1.5.0
 
 * Fixes and improvements
diff --git a/docs/deprecated.md b/docs/deprecated.md
index 521a3994..28391e5f 100644
--- a/docs/deprecated.md
+++ b/docs/deprecated.md
@@ -1,6 +1,8 @@
 # Deprecated Feature List
 
-The following features will be marked deprecated in 1.5.0 and removed entirely in 1.6.0.
+### 1.6.0
+
+The following features were marked deprecated in 1.5.0 and removed entirely in 1.6.0.
 
 #### ShadowsocksR