I experienced black screens upon updating all files and launching either dx9 or dx10 client. Unfortunately, for those who like to use RivaTuner Statistics Server, it is not properly working with London 2038 and you must disable it to get this game working. To check in-game frame rate counter, type /fps in chat console.
This was discovered and fixed on the following system:
AMD Ryzen 5 1600x CPU
GTX 1070 EVGA FTW GPU
16GB Gskill Trident Z DDR4-3200 Mhz RAM
Dell 144Hz G-Sync Monitor
I also must add that I also had issues running London 2038 in Fullscreen Mode. Alt-Tabbing caused the game to freeze with no notice in Task Manager. Use Windowed mode to alleviate this issue.
I will check this thread once daily and answer any other questions you may have. I’m listed as “Trait0rr” on the London 2038 Discord. Best of luck in your bug fixing.