The documentation says this is deprecated. The alternative now is:
Use permute instead:
bar(["a", "b", "c"], [5, 9, 7]; legend=false, permute = (:x, :y)) # This doesn't work in this case, as regardless of the order we get the horizontal version. If you were wanting to make it horizontal, this is what you would do now.
A few options:
orientation=:horientation=:v:The documentation says this is deprecated. The alternative now is:
More info: Plots.jl documentation page.