> I am not a native English speaker (and I don't work at Gitlab) but I am curious and interested in using proper terms, as I think as developer that naming is a very important skill.
That is it for me too and why I think this change is so annoying.
WIP means something is being worked on. [0]
Draft can mean the same, but it also has a bunch of other possible meanings. Note that if you search in both of your sources, you'll find "sketch" as an explaination. It can mean the same, but it can also mean a bunch of other things. It's a strictly worse name.