... updater ends this process with process::exit(0) no goodbyes. So on the way out Skim now parks the sync engines and folds the write-ahead log back into the database, instead of leaving a few megabytes of unfinishedbusiness for the next build to untangle on its very first query. The message list stopped lying to you. "Nothing to skim" used to mean either "this folder is empty" or "the read blew up and nobody told you". Guess which ...