My previous blog post mentioned that I filed a bug report with Apple: ~/Library/Group Containers/group.com.apple.CoreSpeech/Caches/onDeviceCompilationCaches/ recreated on every login with Siri disabled (FB17163068). I've now discovered—by manually browsing Feedback Assistant—that my bug report has been given the resolution "Investigation complete - Unable to diagnose with current information". This is despite the fact that the bug is 100% reproducible for me on two different Macs, and de...