How to create Multi Select variable on a catalog Item and add/remove options dynamically.  We have a requirement to create multi select field on the catalog form, and the options of this field depend on the selection of two other fields.  I've found ...

We are planning to upgrade our instances from Madrid to Orlando once it is released. But I heard that it is always a good practice to upgrade the instance following n-1 . I mean a version older than the new one to be on safe side without any negative...