How to inherit packages from Julia 1.6.4?

General Usage
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1

I have installed Julia 1.7.0. But it does not recognize (load) the packages installed in the previous Version Julia 1.6.4.

(@v1.7) pkg> up
    Updating registry at `C:\Users\Hermesr\.julia\registries\General`
    Updating git-repo `https://github.com/JuliaRegistries/General.git`
  No Changes to `C:\Users\Hermesr\.julia\environments\v1.7\Project.toml`
  No Changes to `C:\Users\Hermesr\.julia\environments\v1.7\Manifest.toml`

(@v1.7) pkg> st
      Status `C:\Users\Hermesr\.julia\environments\v1.7\Project.toml` (empty project)

(@v1.7) pkg>

What to do?

2

As you can see from the file paths, the 1.7 environment is different from the 1.6 environment:

`C:\Users\Hermesr\.julia\environments\v1.7\Project.toml`

is not the same file as

`C:\Users\Hermesr\.julia\environments\v1.6\Project.toml`

you can copy over your Project.toml from 1.6 into the 1.7 folder, although ideally this shouldn’t be necessary as you shouldn’t have many packages in the default environment anyways!

3

See also the answer in the FAQ:

Frequently Asked Questions · The Julia Language?