Describe the bug
Assume that one user is online with two clients at the same time. At least one of those clients is converse.js. The other client can also be converse, but could be any client that stores its bookmarks in PEP.

Now, change the bookmarks (add, change, or remove a bookmark) in the "other" client (not converse.js).

Expected behavior
One would expect that the bookmarks a

It’d be useful for users to know which version they’re running on.

It is possible to have a XEPs and RFCs support page with version (XEP-XXXX v1.2)?

Examples:

• https://metronome.im/supported-xeps-list
• https://dev.gajim.org/gajim/gajim/wikis/help/gajimxepsupport
• https://github.com/jappix/jappix/blob/master/PROTOCOL.md