Only temporarily. One of the next Swift versions (my bet is on Swift 6) will include an optional memory ownership model: https://github.com/apple/swift/blob/ma

Only temporarily. One of the next Swift versions (my bet is on Swift 6) will include an optional memory ownership model: https://github.com/apple/swift/blob/master/docs/OwnershipManifesto.md https://github.com/apple/swift/blob/master/docs/OwnershipMan... It will not have lifetimes but still allow to opt out of ARC for performance critical code.