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Johannes Marbach 2025-03-21 09:10:52 +01:00 committed by GitHub
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"Public" rooms with respect to presence are defined through their join rule.

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#### Security considerations #### Security considerations
Presence information is shared with all users who share a room with the Presence information is published to all users who share a room with the
target user. In large public rooms this could be undesirable. target user. If the target user is a member of a room with a `public`
[join rule](#mroomjoin_rules), any other user in the federation is
able to gain access to the target user's presence. This could be undesirable.