Ferk

You mean “confidentiality”, not privacy.
Just the metadata related to whether you personally, traceable to your full name and address, have a Signal account and how much you use it might be considered a privacy breach already, even if the content of the messages is confidential.

Signal is the same in that regards.

And please, get all countries to actually start properly accepting ISO 8601 format for dates as a mandatory universal standard…

Obligatory reference: https://xkcd.com/1179/