Version 3.19.3
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 * Convert custom CSS to use CSS nodes (Trinh Anh Ngoc)
 * Add a shortcuts window (Felix Riemann)

Bug fixes:

 #757827, Provide a shortcuts window (Felix Riemann)
 #758763, Update CSS nodes (Trinh Anh Ngoc)

New and updated translations:

- Daniel Mustieles [es]
- Jiro Matsuzawa [ja]
- Baurzhan Muftakhidinov [kk]
- Pedro Albuquerque [pt]
- Dušan Kazik [sk]
- Sebastian Rasmussen [sv]