Based on Tuesday's #parrotsketch discussion, r27153 eliminates the user stack opcodes from Parrot. DEPRECATED.pod showed that this would occur after the 0.7.0 release, but given discussions and changes relating to the other stacks it was decided that this could probably take place now.
The following opcodes are now gone: save restore lookback entrytype depth rotate_up I've also updated NEWS. Problem reports, questions, comments invited! Pm