(Belatedly, although I’ve shared the feedback prior to LC)

On 20 Oct 2025, at 18:35, Daniel Gultsch <[email protected]> wrote:
> 
> This message constitutes notice of a Last Call for comments on
> XEP-0485.
> 
> Title: PubSub Server Information
> Abstract:
> This document defines a data format whereby basic information of an
> XMPP domain can be expressed and exposed over pub-sub.
> 
> URL: https://xmpp.org/extensions/xep-0485.html
> 
> This Last Call begins today and shall end at the close of business on
> 2025-11-03.
> 
> Please consider the following questions during this Last Call and send
> your feedback to the [email protected] discussion list:
> 
> 1. Is this specification needed to fill gaps in the XMPP protocol
> stack or to clarify an existing protocol?

It specifies something not otherwise done. I’m not sure I could claim it’s a 
real gap, nor that it’s ’needed’.

> 
> 2. Does the specification solve the problem stated in the introduction
> and requirements?

Largely.

> 
> 3. Do you plan to implement this specification in your code? If not,
> why not?

No (I don’t think it’s useful, and I’m concerned by the privacy implications).

> 
> 4. Do you have any security concerns related to this specification?

I remain concerned about the privacy implications, even when opt-in (I guess 
maybe that a server operator might opt-in but not include it in their privacy 
terms is a social problem rather than a technical one, but whether users are 
able to understand the potential fingerprinting seems unlikely).

> 5. Is the specification accurate and clearly written?

AFAICS.

/K
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