Streamlabs OBS Scene Switcher will switch between scenes automatically according to your preferences. Unless you tell it not to.
Try before you buy!
You can
download
a demo version which will stop switching after 10 minutes. If you like the product, you can
buy it,
and use the provided license key which will unlock the software.
How it works
Main screen
Load up Streamlabs OBS
Start OBS Auto Switcher
Configure your window title regexes, if not previously configured
Test if your scenes get switched by your window switching