> ## 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 3.0 Release Notes - June 2026

##### Version Number : 3.0.33

# Overview

This minor update introduces changes for Authlete 3.0.
This new version is available from June 25th (Thu).

# New Features & Improvements

## Rate limit improvements

Added a default `Retry-After` header to all 429 and 5xx error responses, with a default value of 1 second.

## Refresh token endpoint improvements

Improved refresh token endpoint to conditionally enable serialized read and return early when DB lock errors arise.

## Errors response reasons improvements

Added new mappings for Auth failure reason and Token failure reason.

# Specs support

N/A

# Bug fixes

## Jetty shutdown error fix

Fixed an issue where Jetty shutting down would be treated as an error by Kubernetes instead of a clean exit, generating unnecessary warnings.

## Liquibase logs error fix

Fixed an issue where some Liquibase informational logs would be treater as errors instead, triggering unnecessary warnings.

# Other

N/A