Despite my best attempts to fix it, SGRuri (Blake) managed to find an unintended solution in T42 in 3 different versions of the game. Sometimes admitting defeat is the best option. See the full exchange on our Discord.

• Completing T42 in 13 seconds or less now awards a newly added achievement.
  
• The exploit in the previous version was too hard to pull off, so I've restored T42's (formerly) unintended solution from 2 versions ago (before the Feb 8 update). Can you discover it?
• If you've completed T42 in 13 seconds or less, you don't need to do so again. The achievement will be unlocked the moment you open the game. If it doesn't, complete T01 (or some other trivial level) and it should get unlocked.
• The 3 star requirement for T42 is still the same (27 seconds).

• Linux controller hotkeys are now displayed correctly.
• Certain types of xbox controllers are now getting recognized correctly instead of as Steam controllers.
• It's no longer possible to double jump on a bridge.
• Box pushing is now a bit smoother.
• Fixed an unintended solution in T50.