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MM-69392 - DCR changes upgrade notes#9088

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pvev wants to merge 1 commit into
changelog/v11.9.0from
MM-69392-dcr-changes-upgrade-notes
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MM-69392 - DCR changes upgrade notes#9088
pvev wants to merge 1 commit into
changelog/v11.9.0from
MM-69392-dcr-changes-upgrade-notes

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@pvev

@pvev pvev commented Jul 9, 2026

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Summary

Add v11.9 upgrade note warning admins that DCR redirect URI allowlist matching is now per-URL-component, which causes patterns like https://*.example.com/** to reject query-bearing URIs, with remediation steps.

Related Docs PR: #9065

Ticket Link

https://mattermost.atlassian.net/browse/MM-69392

@github-actions

github-actions Bot commented Jul 9, 2026

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Newest code from mattermost has been published to preview environment for Git SHA 95f0b85

@pvev pvev requested review from amyblais and edgarbellot July 9, 2026 14:54
@esethna esethna added this to the v11.9.0 milestone Jul 9, 2026
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