Warhammer Community just dropped another preview article about the upcoming Tau Codex (ETA early 2022). This one covers the Railgun found on the Tau Hammerhead tank.
The previous stats from 8th edition for this gun were mediocre at best, you'd almost never want to take it but with these new rules I can see many Tau players taking at least one, perhaps up to 3 plus Longstrike.
All depending on points cost of course.
They also mentioned new markerlight previews, so I can see an article dropping on that sometime soon, hopefully at least.
https://www.warhammer-community.com/2...