Hey, I just uploaded to 102v of Spark AR and I’ve been experiencing very slow system, and not responsive app. It’s very annoying and I can’t work at all. I have the v.99 but my filters file were uploaded to the new version, but I want to open and work in the old version. Is there a way how to open them in the old version when they are uploaded with the newer one. Please help 
Sadly you can’t open projects made in versions higher than the program version (102 > 99) - I’ve tried to force it to open them but it crashes, and trying to restore the files back to 99 manually would be a huge pain to go through; I didn’t even attempt it, I just re made the project in a lower version of Spark
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Yeah, this is a tough lesson to learn. I’ve lost a few days to remaking projects because of this. If you have the time, you could wait for the next spark version release (~every two weeks), which might fix the issue you’re having (more likely if you have reported it).
As a rule of thumb, I usually make my projects with a version of Spark that I deem to be stable. Usually it’s something like 5 versions back. I’ll upgrade if there are major changes or new features that I need to use. I work this way since it’s always possible to upgrade the projects, but impossible to downgrade.
I wrote a doc on how to manage the various versions of Spark. It’s a pain, but it’s better than losing several days of work to a stupid bug.
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