Since updating to MacOS 26.5.1, about 50% of Simulator launches from Xcode 26.3 produce this error: Mach error -308- (pic/mig server died) which is some trouble but I can get past it sometimes. I considered updating to Xcode 26.5 for a possible fix BUT there is a SERIOUS Swift 6.3.2 compiler bug that can violate MainActor isolation and the app I am close to finishing uses MainActor extensively. Also according to Dev Community, there's "also an active bug where SKTestSession cannot use the selected StoreKit configuration during unit tests, causing test actions to fail — relevant if you work on subscription-based apps." Frankly, IMO, Xcode 26.5 seems like a poor point upgrade that needs patching and soon. Is there any news when Apple might patch Xcode to fix both these issues (both reported using Feedback Assist that shows No Similar Reports).