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continuwuity/changelog.d/2451.bugfix.3.md
Bardi Harborow 219e8d2e1e fix: Return M_UNKNOWN_DEVICE for unknown masqueraded appservice devices
When an appservice masqueraded as a device_id that does not exist for
the user, we returned 403 M_FORBIDDEN. The spec requires 400
M_UNKNOWN_DEVICE.
2026-11-04 19:32:17 +00:00

147 B

Appservices masquerading as a device that does not exist now receive 400 M_UNKNOWN_DEVICE as required by the spec, instead of 403 M_FORBIDDEN.