# ARPACK (IterativeEigensolvers) removed from Julia

**URL:** <https://discourse.julialang.org/t/arpack-iterativeeigensolvers-removed-from-julia/11797>\
**Category:** Internals & Design\
**Created:** [June 19, 2018, 8:54pm UTC](https://discourse.julialang.org/t/arpack-iterativeeigensolvers-removed-from-julia/11797 "2018-06-19T20:54:50Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![anon94023334](https://avatars.discourse-cdn.com/v4/letter/a/e274bd/32.png) [@anon94023334](https://discourse.julialang.org/u/anon94023334)\
**Post date:** [June 19, 2018, 9:22pm UTC](https://discourse.julialang.org/t/arpack-iterativeeigensolvers-removed-from-julia/11797/3 "2018-06-19T21:22:11Z")

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Taking the contrary position, this is a net negative for any environments that require code/author vetting before use, as it means that the codebase is now being maintained by a new/different organization/set of actors.

From a paperwork perspective alone, this was a very expensive decision, though I understand why it was made.

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_[View the full topic](https://discourse.julialang.org/t/arpack-iterativeeigensolvers-removed-from-julia/11797)._