The 68000 assembler dialog now marks text pre-loaded from the clipboard.
In order to simplify thread-safety analysis, certain debugging commands are now
performed exclusively by the VM thread. The difference should not be noticeable;
I only mention it in case some unanticipated consequence manifests itself.
Bug fixes:
Debugging commands utilizing F10 could cause menus to activate unexpectedly.
Eliminated a pattern of race conditions related to thread termination.
It never actually caused any problems as far as I know, however.