OpenStudio is not forward-compatible (you can't use v2.9 to open an OSM from a newer version like v3.0). It is backward-compatible (you CAN use v2.9 to open an OSM from an older version like v2.8). Here is another post on the topic. Does that answer your question?
OpenStudio is not forward-compatible (you can't use v2.9 to open an OSM from a newer version like v3.0). It is backward-compatible (you CAN use v2.9 to open an OSM from an older version like v2.8). Here is another post on the topic. Does that answer your question?