Is 19.0 rwg maps compatible with 19.1?

[Blightfiend]

Title says it all.

 

[Beelzybub]

A vanilla map should be. Not sure about a modded map.

 

[Hardside]

I haven't played since the newest update and my map seemed to load slower than usual but eventually loaded properly to the update..  seems like no issues while playing either.