[Standards] Message Retractions

JC Brand lists at opkode.com
Wed Sep 25 13:51:10 UTC 2019

On Wed, Sep 25, 2019 at 06:11:25PM +0500, Andrew Nenakhov wrote:
> вт, 24 сент. 2019 г. в 21:30, JC Brand <lists at opkode.com>:
> > > However, this method is 'server-centric', cause it requires a server
> > > to calculate edit versions so that offline clients can check it there
> > > were edits while they were away.
> >
> > Can this not just be handled with a MAM catchup when the client comes online?
> > (if the MAM archive stores the retraction)
> If by "MAM catchup" you mean fetching all messages in a conversation,
> well, this CAN be handled this way, but it was exactly what we were
> trying to avoid, because it is the worst possible method, which also
> can't be used on iOS.

MAM catchup means fetching the messages you missed while you were offline.
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