SOLIDWORKS Online Licensing is a very useful licensing scheme for those who frequently need to switch machines. However, because it was introduced in 2018, there are still programming bugs that need to be resolved. SOLIDWORKS will most likely address these issues in the coming years.
If you have a SOLIDWORKS Premium license, a new design tool has been added to your repertoire. Since its inception, SOLIDWORKS Sustainability was an add-in that was purchased separately from a SOLIDWORKS license. As of SOLIDWORKS 2015, SOLIDWORKS Sustainability is included in the SOLIDWORKS Premium package.