You will, of course, still be able to play the game.
Battleborn had the unfortunate privilege to come out roughly at the same time as Blizzard’s Overwatch. The result of this coincidence was that out of the two similar games it was the latter that got the players’ attention.
It comes then as no surprise that the devs, Gearbox, will cease to support and develop the game after the last update that will come this fall. Creative director Randy Varnell explains:
“As of this week, there will be no more Battleplans and there is currently no planned content after the fall update. Details of any future changes or news will be made on our forums or through social media, so keep your radars on.”
Hopefully, this means that the team will be even more concentrated on the yet unannounced but very probable Borderlands 3.