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Mattermost Desktop App v5.13.6 ESR security update released

calendar_today May 15, 2026 person Amy Blais domain mattermost

We’re informing you about a Mattermost security update, which addresses Medium severity vulnerabilities. We highly recommend that you apply the update. The security update is available for Mattermost Desktop App dot release 5.13.6 (Extended Support Release). It is available for download here. The 5.13.6 version also includes the following fixes:  Customer safety and data security … Read More The post Mattermost Desktop App v5.13.6 ESR security update released appeared first on Mattermost .

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