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Improve changelog entry wording to mention the room directory 

Hopefully, this makes it clearer that it's not just "public rooms"
that will now be exposed,
but rather "public rooms which are also published to the room directory".
This commit is contained in:
Slavi Pantaleev 2023-10-23 12:34:55 +03:00
parent f49e3f1e02
commit 03f5344c37
1 changed files with 2 additions and 2 deletions
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CHANGELOG.md
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@ -2,7 +2,7 @@
## Enabling `allow_public_rooms_over_federation` by default for Synapse
**TDLR**: if your Matrix server is federating (which it mostly likely is, unless you've [disabled federation](docs/configuring-playbook-federation.md#disabling-federation)), your public rooms will not only be joinable across federation (as they've always been), but from now on will be discoverable (made available as a list across federation). We're changing this by flipping the value for Synapse's `allow_public_rooms_over_federation` setting to `true`, going against the upstream default. Servers that disable federation are not affected.
**TDLR**: if your Matrix server is federating (which it mostly likely is, unless you've [disabled federation](docs/configuring-playbook-federation.md#disabling-federation)), your public rooms will not only be joinable across federation (as they've always been), but from now on will be discoverable (made available as a list across federation). We're changing this by flipping the value for Synapse's `allow_public_rooms_over_federation` setting to `true`, going against the upstream default. Servers that disable federation are not affected. Servers that have public rooms which are not published to the room directory are also not affected.
We generally try to stick to the default configuration for Synapse (and all other components), unless these defaults seem wrong or harmful. One such previous case from a few months ago was us [Enabling `forget_rooms_on_leave` by default for Synapse](#enabling-forget_rooms_on_leave-by-default-for-synapse) - the default value was making Synapse more wasteful of resources by default.
@ -25,7 +25,7 @@ Here are **actions you may wish to take** as a result of this change:
- (recommended) embrace the new default. If your Matrix server is federating, your public rooms have always been joinable across federation anyway. Exposing the list of public rooms does no harm and more-so does good by contributing to the usefulness of the Matrix network by facilitating room discovery.
- (switch to a better way of doings things on your semi-private server) The problem that the Synapse team appears to have solved by flipping the `allow_public_rooms_over_federation` default in Synapse v1.7.0 seems to for "mostly private" servers, which federate and have a bunch of rooms made public in an effort to allow people on the same homeserver to easily find and join them (self-onboarding). With the introduction of Matrix Spaces, you can reorganize your flow around spaces - you can auto-join your users to a Matrix Space (via Synapse's `auto_join_rooms` setting - controlled by our `matrix_synapse_auto_join_rooms` variable), then add a bunch of rooms to the space and make them joinable by people belonging to the space. That is to say, do not make rooms public unless they are public - use other mechanisms for semi-public rooms. Alternatively, you can also stick to what you're doing (public rooms) and set `m.federate: true` when creating them (clients like Element have a nice UI checkbox for this) to explicitly disable federation for these rooms.
- (switch to a better way of doings things on your semi-private server) The problem that the Synapse team appears to have solved by flipping the `allow_public_rooms_over_federation` default in Synapse v1.7.0 seems to for "mostly private" servers, which federate and have a bunch of rooms made public (and published in their room directory) in an effort to allow people on the same homeserver to easily find and join them (self-onboarding). With the introduction of Matrix Spaces, you can reorganize your flow around spaces - you can auto-join your users to a Matrix Space (via Synapse's `auto_join_rooms` setting - controlled by our `matrix_synapse_auto_join_rooms` variable), then add a bunch of rooms to the space and make them joinable by people belonging to the space. That is to say, do not make rooms public and do not publish them to the room directory unless they are really public. Instead, use other mechanisms for semi-public rooms or private rooms. One alternative is to stick to what you're doing (public rooms published to your rooms directory) but having a `m.federate: true` flag set during creation (clients like Element have a nice UI checkbox for this) to explicitly disable federation for them.
- (keeping the old behavior) if you wish to keep doing what you're doing (keeping your Matrix server federating, but hiding its public rooms list), add `matrix_synapse_allow_public_rooms_over_federation: false` to your `vars.yml` configuration. This restores the old behavior. You may also consider [disabling federation](docs/configuring-playbook-federation.md#disabling-federation) completely instead of relying on security-by-obscurity measures.