Arrow arpeggio missing from standard notation in GP import
The arrow arpeggios are invisible in the standard notation staff in this Guitar Pro file part.
If you import the following Guitar Pro file you'll see that the arrow arpeggios are missing from the standard notation in the Guitar part tab. See measure 6 and measure 17 for examples of this bug.
But the arrow arpeggios are present in the TAB part and they show up in the standard notation on the main part.
A workaround is to select the standard notation part and choose Format -> Reset style to get the arrow arpeggios back.