10 Nov
2025
10 Nov
'25
5:54 p.m.
Hi,
On Sat, Nov 08, 2025 at 04:59:56PM +0100, Thilo Molitor wrote:
Hi all!
With XEP-0469: Bookmark Pinning and XEP-0492: Chat notification settings we now
have two XEPs that allow syncing pinning and notification settings across
clients on the same account using the <extensions/> element of XEP-0402: PEP
Native Bookmarks.
Unfortunately, this now means that normal 1:1 chats (that are synchronized as
roster items) lag behind.
I'm volunteering to write a XEP adding an <extensions/> element alongside the
<group/> element to allow arbitrary extensions for roster items. This would
bring 1:1 roster items on-par with bookmarks2 and immediately allow XEP-0492
and XEP-0469 to be applied to roster items as well.
This has the same issue extending the original bookmarks had, that all
current clients will blissfully override the bookmark/roster item
without the extensions element on save.
This is the reason bookmarks2 had to have a namespace bump while it
still wasn’t used that much, to require every client to copy extensions
including those they don’t understand.
So even if all servers were to add support for it, it’s enough for one
client to destroy all previous extensions.
Thus I would recommend to use a different mechanism, for instance
similar to bookmarks2 you could have a PubSub node where the item id is
the JID of the remote entity, and the content is whatever you want to do
in that extension.
But before I start I want to ask especially the server developers on this
list: would you consider implementing this?
If the answer is no or "some day far far in the future", it might be worth to
try to invent some other mechanism that could be deployed faster.
In my opinion, however, extending the roster items is by far the most elegant
and simplest solution.
What do you think?
-tmolitor
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