Yes, and the formulation took 48 hours after covid was sequenced. This should be the last pandemic ever assuming brutally out of date regulatory bodies catch up.
The slow approval process is because side effects can take a long time to show up. I very much hope there aren't any but we've been there before.
There's a hell of a lot more to safety than "We engineered a new thing and it worked for a few months", and as an engineer I have heard this line before and seen it play out exactly as you would expect.