No matter what happens otherwise, there is going to be uncertainty about what the Pittsburgh Steelers can and will do until at least next week, because that is the earliest point at which it can be known whether or not the 2020 season will operate under the terms of the current Collective Bargaining Agreement—and the stipulations that come under the final year of a deal—or the new proposal that the NFLPA is currently voting on.
If approved, the NFL will see labor peace for the next decade, simply because there will be nothing the union can do about it, as there are no opt-out clauses.