My brief thoughts on what's going on with Chakotay and how he could possibly be brought back from 2473 and not cause a bunch of issues timeline wise. Other alternate versions of Chakotay: endgame, timeless, before and after all from voyager. 2383+50+20+20=2473. 50 is how long till first contact. And in the latest episode of prodigy it's stated that there was "decades" in two different events that bring us ahead 40 years. So Chakotay is 90 years in the future at the least.
