It was "on the roadmap" as of 4 years ago… https://github.com/signalapp/Signal-iOS/issues/905 https://github.com/signalapp/Signal-iOS/issues/905 …but there's

It was "on the roadmap" as of 4 years ago… https://github.com/signalapp/Signal-iOS/issues/905 https://github.com/signalapp/Signal-iOS/issues/905 …but there's been no apparent progress. On some core usability & functionality matters, Signal appears to be a really, really, lethargic development team, both before and after the arrival in early 2018 of $50 million in funding.