Packaged game dosent always launch

Hey guys , I have an annoying problem that has been happening since i updated my project to 5.3.
Sometimes my packaged game freezes on startup, and refuses to work till i delete the PC3D_SM6 upipeline cache file
(windows build)
Sometimes the build can work for days but randomly this bug happens and I have no idea why, many of my testers experience the same issue with the builds. Any suggestion

You… UPDATED your project?

Never, EVER do that. If you plan to package a project, it needs to stay on the same version of the Engine.

So, what I would suggest is you:

  1. Fix all redirectors
  2. Migrate the project into a fresh project

Assuming, by update, you mean that you didn’t migrate it, you just opened 5.3 and attempted to open it, and used the UPDATE function.

Also, Hello!

I let unreal make a copy of my build and that got updated to the 5.3 version

As I supposed. So, try what I’ve suggested, if you do not mind.

OR

Assuming you made absolutely no changes, just package in the native version of Unreal (that is IF you have the original project.)

I will try it and get back to u

While that didnt worked I was able to get a solution. For some reason in the project settings D3D12 Targeted Shader Formats Sm5 was re enabaled while only SM6 should have been ticked in, after turning of sm5 the build seems to be working fine

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