throwaway10263 made the following 5 translations:

• 'New &window\tCtrl+N' as 'Fuinneog &nua\tCtrl+N' in SumatraPDF / ga
• 'Show in &folder' as 'Taispeáin san &fillteán' in SumatraPDF / ga
• 'New &window\tCtrl+N' as 'Fuinneog &nua' in SumatraPDF / ga
• 'Expand All' as 'Leathnaigh Gach' in SumatraPDF / ga
• 'Collapse All' as 'Laghdaigh Gach' in SumatraPDF / ga