[pull] master from mattermost:master#772

Merged

pull[bot] merged 6 commits into

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mattermost:master

Jun 15, 2026

Commits on Jun 15, 2026

Fix Permission Policy tab 403 for channel admins when no policy exists (#36980)
isacikgoz
authored
Fix S3 MoveFile/CopyFile failing on files larger than 5GiB (#37035)

authored
[MM-68781] MBE Phase 8d: add hooks ChannelComposerBanner & ChannelIntro (#36581)

cpoile
and
claude
authored
MM-68976 Preserve PluginSettings.SignaturePublicKeyFiles on config patch endpoint (#36868)
fmartingr
authored
MM-68960 Improving UX for custom selections (#36878)
avasconcelos114
authored
MM-69213: Validate Azure storage account names and use httpservice for custom endpoints (#37014)
agarciamontoro
authored