I face the challenge to have a bunch of classes on IRIS and CACHÉ in parallel until all systems are migrated to IRIS. Applying changes in Caché development environment and moving  to IRIS is no problem But if I have to apply a fix on IRIS there seems to be no clean way back to Caché. My actual workaround is Copy/Paste from IRIS\_Studio to Caché\_Studio. That works for 1 Class or a few but not for a full package. Has Atelier or VScode a better solution for this situation? Pls. suggest.