So here he is getting rid of seams and it is changing the UV unwrap for him but for me its not changing anything. he is clearing se
at 4:04 in he is pressing L and he is limiting the selection to seams then he is clearing the seam.
then its supposed to update the UV unwrap. its doing it on his setup but not on mine
Then in the same video at 4:25 he select a loop with ctrl click and mine does not