What are the advantages of X9.3 for PC?

I am genuinely curious - what does 9.3 do that 9.2 does not? In my organization we have multiple EndNote libraries for multiple projects. Getting everyone updated to 9.3 and converting every single existing EndNote file seems incredibly time-consuming and not worth it if the features and functionality remain unchanged from 9.2. Or has anyone successfully rolled out 9.3 across a large organization with multiple EN files? I’d like to know how it went.