Update v1.21:

• Improved automatic GPU selection to prioritise discrete GPUs.
• Fixed freeze when saving the game.
• Fixed some causes of freezes when starting the game.
• Fixed cause of a crash after loading savegame.
• Fixed upgrade orders becoming non-functional when loading a savegame.
• Fixed money not being refunded for cancelled upgrades.
• Fixed ships not being claimable from the space suit.
• Fixed a case that could result in AutoTraders sometimes trading at a loss.
• Fixed excessive delay between damage and start of repairs.
• Fixed several other causes of rare crashes.