Ya, it is normal to see all the measures, but those unused measures should be grayed out meaning they are not part of the overall arrangement. At least that is how my screen shows it.

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BIAB – 2025, Reaper (current), i7-12700F Processor, 32GB DDR4-3200MHz RAM, Motu Audio Express 6x6 - My SoundCloud (Tip: No need to create a SC account to hear music - just hit ESC ).