# Experimenting and developing unregistered packages

**URL:** <https://discourse.julialang.org/t/experimenting-and-developing-unregistered-packages/16563>\
**Category:** General Usage\
**Tags:** question, pkg\
**Created:** [October 20, 2018, 11:49am UTC](https://discourse.julialang.org/t/experimenting-and-developing-unregistered-packages/16563 "2018-10-20T11:49:19Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![yakir12](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/yakir12/32/297_2.png) [@yakir12](https://discourse.julialang.org/u/yakir12)\
**Post date:** [October 20, 2018, 12:28pm UTC](https://discourse.julialang.org/t/experimenting-and-developing-unregistered-packages/16563/2 "2018-10-20T12:28:59Z")

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> [@lostella](#):
>
> (project) pkg\> dev PkgA

This is where you might be off. Exit julia first, then do the dev on where those source files are. What happened here is that you are developing a package from within its own environment. You want to develop it from some other external environment, like `v1.0`.

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