> ## Documentation Index
> Fetch the complete documentation index at: https://developers.authlete.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Authlete 2.2 Release Notes - September 2026

##### Version Number : 2.2.65

# Overview

This minor update introduces changes for Authlete 2.2.
This new version was made available on October 1st (Thu).

# New features & Improvements

## Get RAT endpoint

Implemented new endpoint to retrieve the Registration Access Token (RAT) hash for a specific dynamically registered client.

# Specs support

N/A

# Bug fixes

N/A

# Other

N/A