Apple Journal’s Atrocious Undo Bug Has Been Fixed (and SwiftUI, Per Se, Is Not to Blame)

On the eve of WWDC, in a post arguing that “SwiftUI Only Makes It Easy to Develop Bad Apps”, I wrote about an atrocious bug in Apple’s Journal app:

If you’re running MacOS 26 Tahoe, open Journal and make a new

dummy entry. Type something like “The quick brown fox.” Then

double-click on the word “brown” and delete it. Now invoke Undo.