Board Thread:Technical Updates/@comment-24006128-20200904132900/@comment-26939652-20200907094429

Tupka217 wrote: Lytora wrote: Notice the startup time. Choose type "Infobox" and click save:
 * You're not in source mode now

What you're describing is the InfoboxBuilder, the same as on Legacy. You can enter Source if you click the [] in the right bottom corner. It's actually more visible on UCP than it is on Legacy. Right, I've grown used to working around it on Legacy. Apologies for that bit.

But there's a key difference: if you don't save on legacy before switching to source, you get the template type pop-up again and empty editor (granted, you still don't have the infobox source editor, but at least it's a source editor and you can start copying bits from related infoboxes).