# Precompilation much slower in 1.11, 1.12 than in LTS (1.10)

**URL:** <https://discourse.julialang.org/t/precompilation-much-slower-in-1-11-1-12-than-in-lts-1-10/135203>\
**Category:** General Usage\
**Created:** [January 22, 2026, 12:46pm UTC](https://discourse.julialang.org/t/precompilation-much-slower-in-1-11-1-12-than-in-lts-1-10/135203 "2026-01-22T12:46:00Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![mattsignorelli](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mattsignorelli/32/221502_2.png) [@mattsignorelli](https://discourse.julialang.org/u/mattsignorelli)\
**Post date:** [January 23, 2026, 11:53am UTC](https://discourse.julialang.org/t/precompilation-much-slower-in-1-11-1-12-than-in-lts-1-10/135203/13 "2026-01-23T11:53:54Z")

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> [@franckgaga](#):
>
> It clearly worsens the experience of interactive programming. It feels like
> 
> … “interactive” …

I agree, it definitely hurts the user experience, particularly new users, to have such very long install times and upgrade times. I reference this previous previous post of mine, which is highly related: [Pre-built binaries via the registry](https://discourse.julialang.org/t/pre-built-binaries-via-the-registry/134515)

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