Borderless-Gaming VS OnTopReplica

You can. I use it to persist settings in my app Borderless Gaming https://github.com/Codeusa/Borderless-Gaming

This and this work, but they mess up OBS recordings so I stopped using them

Yes you can do that with any ultrawide. Simplest way is to just play windowed mode with a 16:9 resolution. If you want it to be 16:9 borderless windowed in the center of the screen you can use BorderlessGaming with a "Set window size" config, though that approach can be a bit inconsistent sometimes.

I don't know if its a fix, but Try grabbing Borderless Gaming. See if you can force it into a resolution you want. I would try it myself but...

Turn off screen rotation lock and rotate the display so it's portrait. This allows us to launch the game without issue into windowed mode (it's full screen landscape that's the problem). Now rotate the screen back to landscape, game will still be running in a window. Now use Borderless Gaming (or your favorite borderless window full screen app) to make the window into full screen. https://github.com/Codeusa/Borderless-Gaming/releases/tag/9.5.6

You could try Borderless Gaming - Free version BorderlessGaming9.5.6_admin_setup.exe - July 2019: (https://github.com/Codeusa/Borderless-Gaming/releases/tag/9.5.6)

Borderless Gaming is another free alternative that doesn't do anything fancy like improving the image quality but can also do the job of making your games fullscreen: https://github.com/Codeusa/Borderless-Gaming/releases

Pro tip, you can use OnTopReplica and the extreme customizable ECU option to replicate the exact power curve of an IRL motor with this mod. Line up the x and y axes from an IRL dyno graph to the in-game torque curve v2 app and shape the curve by retarding or advancing the timings throughout the rpm range in the tuning menu. There are timing options in 1k RPM intervals up to 16k RPM but you only need to tune until roughly 1k RPM above your engine redline.

GitHub: https://github.com/LorenzCK/OnTopReplica

I tried to simplify it by using Canva to draw the outline (you don't need to download anything on the web version and you can download it on your phone for free) and OnTopReplica (an open source, free program) to make the image overlay on my screen. It was kind of hard to do with just one monitor though, but with some effort you can manage it. The results are impressive and worth the hassle!

OnTopReplica is so useful.

If you can resize and fit those multiple windows in close formation, then OnTopReplica might do the trick.

You can use OnTopReplica. It can capture your chat, has opacity control, cropping and scaling, as well as click-through settings.

i just googled and found this, which seems to work fine.

You might be able with OnTopReplica, it let's you overlay an entire window or just sections of it and change the transparency. Only problem is that you won't be able to control those windows through the overlay.

If you don't have a 2nd monitor I suggest you to download https://github.com/LorenzCK/OnTopReplica