---
title: "Release notes 5.2.1"
canonical: "https://support.appfire.com/space/ESF/3756228629/Release%20notes%205.2.1"
format: markdown
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**Release date**: 10/14/2026

This page outlines the updates included in Electronic Signatures version 5.2.1, a Data Center hotfix release.

**Jira compatibility**: Jira 11

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## Bug fixes

This hotfix resolves the following issue:

- Fixed an error when retrieving the `X-Atlassian-Token` header.

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