I tried to post the same post in Apple support community and was sent this reply: Thanks for participating in the Apple Support Community. We removed your post “OS 26 dictation repeating sentences... because it contained information about beta software. To comment or ask questions about beta software, go to our Apple Developer Forums page: https://developer.apple.com/forums/ Here you can share your OS 26 dictation repeating sentences... post, make comments, and ask questions.