Today during the Indie Live Expo, one of the first videos shown was of Nimbus Infinity, a sequel to 2017's Project Nimbus, originally titled Project Nimbus Infinity when it was originally discussed in 2018 after the release of Project Nimbus: Code Mirai.
Set 21 years after the events of the first game, Nimbus infinity continues to be focused on fast-paced mech action, and in it you play an earth-born protagonist working alongside an alien to battle foes and help bring peace.
At this point in time while they're showing off gameplay they're still very much in development so it might be a while until more is seen or heard about this game.
We'll update this as more information becomes available about Nimbus Infinity.