It also depends on the number of bars being displayed.

I set the display to 6 bars per Line. On the last chorus, only the 1st 2 bars of each stave line show the notes.

The left 2 bars show red notes, but the right hand 4 bars don't display any.

In the display below, the first visible bar is Bar 1 of Chorus 3:

Attached Files (Click to download or enlarge) (Only available when you are logged in)
LeadSheetMissingRedNotes6Bars.gif (64 KB, 43 downloads)

BIAB & RB2026 Win.(Audiophile), Windows 10 Pro & Windows 11, Cakewalk Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Session Keys Grand S & Electric R, Kontakt, Focusrite 18i20, KetronSD2, NS40M, Pioneer Active Monitors.