happens in rhino 7 and beta 8
you can easily repeat this issue by drawing a rectangle and assigning a line hatch>make a block>rotate it > explode it. the hatch pattern will change.
I just illustrate from my current drawing.
before making a block:
After:
Also:
if the block is exploded after block manipulation (like move or rotate)
hatches do not go back to their pre block state.
