So, what's so different? Welll...

Obvious:
- Your code gets limited by time, not instructions
- You have way more stuffs to play with
- You get a traceback

Not so obvious:
- digiline_send and interrupts execute even when the luac errors
- memory saving does so too 
- if the luacontroller overheats or memory gets overfilled it will error instead of being silent about it

Purely technhical:
- There is no itbl anymore (action delayer), it uses string sandbox escaping instead

There are probably way more