does `Subsystem` work the same way in v1 vs v2

Question

witty-crayon-22786 · Answer

close but not exactly the same in v1 a singleton in stashed on the class itself

witty-crayon-22786 · Answer

in v2 you get an instance via a declared dependency and the engine will make it a singleton via its own memoization

hundreds-breakfast-49010 · Answer

does a `Subsystem` subclass that s already being used in the v1 engine need to be changed so that v2 rules can use it

witty-crayon-22786 · Answer

no just needs an `optionable rule` registered