# CategoricalArrays forces OpenSpecFun\_jll recompilation

**URL:** <https://discourse.julialang.org/t/categoricalarrays-forces-openspecfun-jll-recompilation/87759>\
**Category:** Internals & Design\
**Tags:** method-invalidation\
**Created:** [September 24, 2022, 7:56pm UTC](https://discourse.julialang.org/t/categoricalarrays-forces-openspecfun-jll-recompilation/87759 "2022-09-24T19:56:13Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![ChrisRackauckas](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/chrisrackauckas/32/77_2.png) [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)\
**Post date:** [September 25, 2022, 7:41am UTC](https://discourse.julialang.org/t/categoricalarrays-forces-openspecfun-jll-recompilation/87759/6 "2022-09-25T07:41:10Z")

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> [@mkitti](#):
>
> I’m pretty sure that line does nothing but cause invalidations.
> 
> ```julia
> 
> ```

Yes, because the only non-erroring conversion to nothing is the one in Base, so 😅 many times these invalidation fixes are just improvements.

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