"This Project Is Out of Date" issue in 5.5.4

After updating to Visual Studio 14.17 and reverting back to my previous version of VS 14.13.6 (due to 14.17 bugs), my “Slash” project gives me these “This project is out of date” errors.

I’ve done the usual of deleting the Intermediate, Binaries, & Save files and “Regenerating Unreal Project”. I’ve “Clean & Rebuilt” the “Slash” project as well as the entire “Solutions” file. Unfortunately, I can’t get rid of this popup message upon every launch of the project from Visual Studio.

The most annoying part is, I’ll build the Project (ctrl+b) only to launch the project in Visual Studio (ctrl+F5 or F5) only for the “Your project is out of date” to popup again and re-building the project to launch the project.

Does anyone have any idea as to how to fix this issue? Much thanks!

have you tried :

  • closing visual studio
  • deleting intermediate and binaries (and maybe saved) folders.
  • right click on uproject file and click regenerate solution
  • reopen project
  • rebuild

I’ve found the solution.

I’ve discovered, after reverting my VS update back to my original version the build settings were also reverted to a “default” state. In Visual Studio 2022, do the following disable the “Project out of date” popup:

Tools > Options > Projects and Solutions > Build And Run, set “On Run, when projects are out of date:” to “Always build ”.

The solution was discovered here: Visual Studio Development Community

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