Why should I upgrade to v4?

[NickLowe]

See e.g. this thread:

Favourite non-AI enhancements in DT4?

So a couple of months into the betas, and before all the new features become so familiar that we forget what life was like without them, what are people’s favourite improvements in v4 aside from the AI stuff (which would need its own version of this discussion)? I suspect for each user it’ll be a different mix of quite small things and absolutely game-changingly huge ones. My own current top three: DT Server enhanced UI (specifically, the more DT-like interface with collapsible sidebar items a…