how to recover UE-5.1.1 to UE-5.1 ?

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how to recover UE-5.1.1 to UE-5.1 ?

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2

I think you need to clarify your issue in some detail. What do you mean by recover?

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I want uninstall UE-5.1.1 update only

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Hey there @SARAO98488! Here’s a thread explaining how that you can’t roll back from the launcher, it would have to be built from source.

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If you are looking for a 5.1 install. You can get it from GitHub. I successfully installed 5.1, today.

“SupportiveEntity” posted the link to the repository.

You can follow the video in the forum post.

  1. Create a GitHub account
  2. Install Visual Studio Community 2022
    a. install the components in the screen grab of the last post.
  3. Then you will have everything you need in the video tutorial to get 5.1 from GitHub.
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Thank you all, So no solution?

UE GitHub 150GB of heavy Compiling time Taking.
UE Developers can please develop update “uninstall.exe”
more helpful to users like me.

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Yes, building from source needs a lot of room on a hard drive and will take some time to build.
Did you try putting the Github repository download on a D drive, not your C Drive? If your D drive is larger, maybe you can use it?
You will be able to have 5.1 and 5.1.1 working on the same machine. If you need extra space you can uninstall 5.1.1. But you can get 5.1 from GitHub.

But only uninstalling the 5.1.1 update after it has updated 5.1…I don’t know about that.

Now that I think about it, it is strange 5.1.1 did not ask to make a “Copy” of the 5.1 project before opening the project in 5.1.1. 5.1.1 just opened the 5.1 project without asking. It is strange because when I opened a 5.0 project with 5.1, UE asked if I wanted to open a “Copy” of the 5.0 project. With previous updates, there was always a copy of the previous project.

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Unfortunately minor patches don’t really have a method to just “uninstall” as they just kind of graft onto 5.1 base. Usually minor bug fix releases like 5.1.1 usually do not break anything and are often just to fix bugs. In some rare cases they can cause issues but it’s not very common.

In some cases it’s better to work with workarounds and report bugs that occur between the minor patches so when the next minor patch rolls in it’ll be even better! That said, some users are experiencing issues with this bugfixing patch, and the only way to get base 5.1 back would be to build it from source. Apologies for the inconvenience!

@Sean3Dmonkey The reason that it doesn’t make a copy in this case is because 5.1.1 is a minor build meant for bugfixing. They don’t regularly cause issues with most projects. In my case I cannot replicate many of the issues users are facing with it, so many of the issues are in fact environmental, but with so many possible factors it’s hard to weed out exactly which one is the problem.

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Understood, thank you.

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