Le samedi 13 septembre 2025, 13:36:50 heure d’été d’Europe centrale Nicolas Cedilnik a écrit : > Hi all, > > I just submitted a revision to XEP-0503: Spaces. This is something > edhelas and I have been working on last week. I intend to implement it > in slidge, and he intends to implement UI for it in movim. > > [SNIP]
Hi Nicoco and Edhelas,
thanks for your work, it's really nice to see that you've moved to Pubsub.
In §5.2 it may be worth noting that XEP-0497 lets you retrieve metadata
directly with the disco#items request, avoiding to request each individual
node.
In §5.3 you may want to mention XEP-0465 (Pubsub Public Subscriptions) as it
solves issues with XEP-0330 (but requires server support, so XEP-0330 is
useful if XEP-0465 is not supported by the server).
In §5.4 you're making a confusion between disco#items request and pubsub get
request. A disco#items request doesn't return the payload; it's a pubsub get
that you want to do here.
In §5.4 I don't see the point of using a <subscription> element to indicate a
pubsub node. I mean, we only want the JID and node here, but it's ultimately
the user/client who decides if they want to subscribe or not. It's just
semantic, not a big deal though.
In §5.5 I think that `muc#roominfo_pubsub` is a poor choice. IMO it should be
a dedicated field that could be used for all items MUC, Pubsub, whatever alike
(something like `{urn:xmpp:spaces:0}parent`). And it should be a list of
strings, because a MUC or a node could be part of several spaces.
It seems not possible with this version to "hide" restricted spaces (for
instance, in a space there could be rooms restricted to moderators and they
may not want it to be visible), except by using a private space only for
moderators (which is an option, but makes discovery more complicated).
This could be done by using child nodes with XEP-0496. Not that it's really
needed at this point, but it would be nice to leave the door open for child
spaces.
Another thing I would like to see is the possibility to add URLs, notably HTTP
ones (e.g., if I make a space about my XMPP client, I want to add the official
website, my blog, and maybe link my account on Mastodon or other platforms).
I like this version a lot more than the previous one, and the implementation
seems easier as it now relies on the standard Pubsub service.
Great work!
Best,
Goffi
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