Bletchley Park Lv 1
In client 20210913-39cb7ecfb1-win_x86 showing the Isosurface only shows part of the mutable strain in an iso surface. The rest remains 'normal'.
You can test this easily by resetting puzzle 2043, then enabling and disabling isosurface. No solution was shared for this.
Seems like a BUG to me.