MM-69392 - DCR changes upgrade notes#9088
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Co-authored-by: Christopher Poile <cpoile@gmail.com>
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Co-authored-by: Maria A Nunez <maria.nunez@mattermost.com>
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Newest code from mattermost has been published to preview environment for Git SHA 95f0b85 |
amyblais
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Jul 10, 2026
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I will also add this to the v11.9 changelog once this PR is approved/merged.
amyblais
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changelog/v11.9.0
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claude/issue-9054-20260617-1059
July 10, 2026 06:01
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I tried to change the base branch but it introduced unexpected conflicts. Opened a new PR here: #9089. |
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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