That's one of the reasons we care about it for GrapheneOS. It also provides end-to-end encryption between Android and iOS via Messaging Layer Security (MLS) which is clearly very important for us. GrapheneOS users needing to use Google Messages to get E2EE with Google Messages and iOS users who haven't been convinced to use Signal instead is not ideal. We do have Google Messages working via sandboxed Google Play but want to replace it.
replyWell that is if that user uses Google messages. I certainly don't even have it installed.
replyIf you have a smartphone from the last 5 years, you have to have done something unusual to it to not have an SMS app that also does RCS.
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