Hey thanks for quick update !
Are these 2 known issues same problem? I noticed UE-6745 is not marked as fixed, but UE-7017 is. Can you confirm whether is fixed or still pending?
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UE-6745 Values in Material Parameter Collections are not carrying over
U̶E̶-̶7̶0̶1̶7̶ ̶M̶a̶t̶e̶r̶i̶a̶l̶ ̶P̶a̶r̶a̶m̶e̶t̶e̶r̶ ̶C̶o̶l̶l̶e̶c̶t̶i̶o̶n̶ ̶V̶a̶l̶u̶e̶s̶ ̶a̶l̶w̶a̶y̶s̶ ̶r̶e̶t̶u̶r̶n̶i̶n̶g̶ ̶0̶ (̶R̶e̶p̶o̶r̶t̶e̶d̶ ̶b̶y̶:̶ ̶R̶o̶c̶c̶i̶n̶i̶o̶)̶
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Thanks!
EDIT: I managed to fully download it before you pulled it off launcher, and I can confirm IS fixed (both of them) 