Thanks for the report and the assistance in digging into this. It looks like it is related to the async-saving and should be fixed for the next release thanks to Genhis. Excellent, thanks Rseding! And indeed, if I set non-blocking-saving=false (or start from a fresh slate where it hasn't ever been ...

JSON requires control codes (U+0000 - U+001f) to be escaped, all your "\uXXXX" are the result of that. OK, so that explains _some_ of the encoding (though, I would think one would also want to encode things like the 0xEE that you'll see below (the character before the two characters "...

When launching factorio recently, after some single-player-mode play in my prior session, I was greeted with this error: Window title: Data error Text content: Failed to load the player data file. Campaign progress might be lost. (screenshot attached.) There's also this error in the factorio-current...

As for remapping modifier keys; if you swap keys (eg. you swap Ctrl and Caps Lock) it should work, if you map some non-modifier key as extra modifier (eg. you map Caps Lock as the third Control), it won't work. I'm glad I found this tidbit! Thanks for this info, posila. I'd mapped things to ctrl:no...