Note there's a distinction between "startup.jl" and "Startup.jl": the latter is a package, not a script. That's necessary to allow precompilation. But you can a

Note there's a distinction between "startup.jl" and "Startup.jl": the latter is a package, not a script. That's necessary to allow precompilation. But you can add `using Startup` to your "startup.jl" so that it gets loaded automatically. Fortunately, it's very easy to create these personal packages, see intructions at https://julialang.github.io/PrecompileTools.jl/stable/#Tutorial:-local-%22Startup%22-packages https://julialang.github.io/PrecompileTools.jl/stable/#Tutor...