5.2 TO 5.1

Can I migrate my level from 5.2 to 5.1? I’m in VR mode

Hey there @zozotine! So downgrading is one of those things that’s not really safe or easy to pull off. With every engine version change that’s not a hotfix, so much of the engine changes that attempting to work with the newer version of assets would break your project.

There are some ways to attempt it, but it’s highly unrecommended as it will not likely work, and if it does it may have consequences such as making your project unable to open in any version. I’d recommend just remaking the level manually if at all possible.


However, some have tried to downgrade projects directly and this often fails or causes a myriad of issues. If you go this route, know that it’s highly NOT recommended and to remember back up your original project before doing this on a copy as it could (and is highly likely) to be unable to work again after the transfer.

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I made a plugin just for that (https://www.unrealengine.com/marketplace/en-US/product/asset-downgrader) with certain limitations (for now). Let me know if it works for you. I sure wish Epic would stop with the “Ar.IsSaving(){ SerializeWIthLatestCode() }” everywhere. If that wasn’t around it would make downgrading assets much easier.

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