diff --git a/ChangeLog.md b/ChangeLog.md
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+++ b/ChangeLog.md
@@ -1,4 +1,10 @@
 # Change Log
+## 1.0.0
+* Added support for ActiveRecord 7.1.
+* Redesigned the proxy chain to accommodate internal structure changes in ActiveRecord 7.1.
+* Introduced integration tests using real databases, allowing for more robust testing of functionality with MySQL, PostgreSQL, SQLite, and SQLServer.
+  See: https://github.com/cookpad/arproxy/issues/30
+
 ## 0.2.9
 * Support ActiveRecord 7.0 (#21)
   Thanks to @r7kamura
diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -61,6 +61,26 @@ end
 +-------------------------+        +----------+   +----------+   +------------------+
 ```
 
+## Supported Environments
+
+Arproxy supports the following databases and adapters:
+
+- MySQL
+  - `mysql2`, `trilogy`
+- PostgreSQL
+  - `pg`
+- SQLite
+  - `sqlite3`
+- SQLServer
+  - `activerecord-sqlserver-adapter`
+
+We have tested with the following versions of Ruby and ActiveRecord:
+
+- Ruby
+  - `2.7`, `3.0`, `3.1`, `3.2`, `3.3`
+- ActiveRecord
+  - `6.1`, `7.0`, `7.1`, `7.2`
+
 ## Examples
 ### Slow Query Logger
 ```ruby