I cannot import LUTs from the Files source - they appear disabled (grey)

This is usually caused by another app registering .cube or .3dl files using a different "uniform identifier" (unfortunately there isn't a clear standard for these file types, so companies choose their own).  We currently know of a specific issue with Affinity Photo, and they are working with us to resolve this an an upcoming update.

In the meantime, the simplest workaround for this is to use the Files app to select the .cube or .3dl file(s), then select Share, and select Open in LumaFusion.

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