The mods will come very quickly. I’m sure there will even be a few on launch day. They took a long time to release the creation kit for skyrim which made making mods much more difficult, but the community still put out a lot just using modding tools from previous games.
This is a constant cycle.
Tech nerds invent new technology/platform>nerds flock to new thing>the masses hear about it and start flooding it>money notices a large user base that isn’t being complete wrung out for money>money destroys the new thing by making it unusable for profit>repeat