Google Messages will finally tell you when your custom ROM is the problem (APK teardown)

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Last year, Google began preventing devices that failed Play Integrity checks from sending RCS messages.Google Messages would simply drop texts, without delivering any errors or warnings.Messages now appears to be adding an explicit notice when security requirements are not met.What’s more annoying than when an app stops working? Well — a lot of things, actually — but in this narrow context we’re specifically talking about when an app intentionally stops working, but won’t clearly communicate why that is. RCS support coming to Google Messages was a major step forward, not just for messaging on Android, but between users across platforms, as well. Last year, we identified an issue with RCS in Google Messages where your texts wouldn’t go through, but the app wouldn’t tell you why. And now it’s looking like Google might finally be ready to do something about that.