iMessage Contact Key Verification brings over a feature from Signal, and will still require some measure of trust in Apple, but seems like like a step forward. Given Apple, I’m sure most of the time people will use the prompt to learn when their family and friends upgrade their iPhone.
Security Keys sound great, and I want one now. Wait, they’re only $29 from Yubico? Wow!
End-to-End Encryption for iCloud Backup is huge, and while I want to say “about time,” the second-best time to plant a tree is today, so I’m glad it’s here now.