mod_groups_internal: Fix traceback when room doesn't exist I'm not sure if it should even be included if it doesn't exist, but I'm not currently sure how this situation occurs, so I'm implementing the lightest possible fix for now.

mod_sasl_ssdp: Fix event name so legacy SASL works correctly (thanks Martin!)

mod_password_policy: Change error type from 'cancel' to 'modify' This makes more sense, as the problem relates to the data that has been entered, and therefore the request could be retried with different data.

mod_pubsub_serverinfo: Treat public providers as public The opt-in mechanism is to prevent leaking domain names or relationships between small private servers. These are not considerations relevant to public servers. We use the providers.xmpp.net API to fetch a list of known public provider domains.

mod_pubsub_serverinfo: Allow configuration of node persistence/deletion

mod_pubsub_serverinfo: Add explicit xmlns to all pubsub tags This helps when routing between hosts on the same server, where the namespace normalization is not handled by default.

mod_pubsub_serverinfo: Remove unused variable declaration

mod_pubsub_serverinfo: Some logging improvements

mod_pubsub_serverinfo: Refresh cache entries if they will expire before next run

mod_pubsub_serverinfo: Add node on compatibility