WWDC22 was last week (check out Apple’s highlights here). Among the most exciting demonstrations: passkeys, a new approach to authentication with the potential to finally replace passwords altogether. Apple also announced enhancements to Swift, its programming language, and a new flagship processor, the M2 chip.Now that iMessage users will be able to edit or even unsend text messages after the fact, will your group chat (or your relationship) ever be the same?Multitaskers rejoice: A new iPadOS function called Stage Manager organizes apps in a tile formation that allows users to rapidly tap from workspace to workspace.And yes, you can finally check the weather on your iPhone lock screen.Today’s Lifeboat badge goes to user Stephen Docy for their answer to Proving that a two-pointer approach works (pair sum).