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I compiled the master branch from source a month ago which is 4.11 . Mistake on my part . But we could migrate the blueprints and level from the preview 4.11 to a stable 4.11 ? My issue concerning me is that swarm isnt working when trying to build lighting in the 4.11 which is compiled from source but it works in the stable 4.10.3 .
I’m guessing you meant “migrate from 4.11 to a stable 4.10”. I don’t have an answer but not all versions behave the same - 4.10 to 4.9 worked for example, 4.9 to 4.8 didn’t. I’m afraid the downgrade doesn’t work for valid reasons, like changes in the file format , so you should wait the 4.11 stable and deal with it, or go back to your last 4.10 commit and branch in your version control system - so that you can keep working, and get your changed bvack with a merge once 4.11 is released.