-Currently, forth.jl **requires** Julia 0.5. (Incompatabilities between 0.4 and 0.5
-mean that I cannot support both versions.)
+Be aware that **forth.jl requires Julia 1.0**. (Incompatabilities exist between
+0.6 and previous versions of julia, particularly the handling of [world age](https://github.com/JuliaLang/julia/pull/17057).)