when I render a a baked ornatrix alembic, it show me the same fraction of groom as says in "Display Fraction". whould be great render the 100%, no matter what Display fraction you have... otherwise maybe is too much to show in viewport.
I haven't been able to reproduce this bug because there is another bug that have to be solved before this. I will keep this thread on my list of unsolved and log it once the other bug it's solved. Thank you.
