# Latest

**URL:** https://discourse.julialang.org/latest.md?page=15

[Latest](https://discourse.julialang.org/latest.md) · [Categories](https://discourse.julialang.org/categories.md) · [Tags](https://discourse.julialang.org/tags.md)

**Page:** 16

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## [Why Julia?](https://discourse.julialang.org/t/why-julia/136962)

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**Author:** [@PepeRoConde](https://discourse.julialang.org/u/PepeRoConde)\
**Replies:** 8\
**Last updated:** [August 2, 2026, 7:52pm UTC](https://discourse.julialang.org/t/why-julia/136962 "2026-08-02T19:52:15Z")

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Hi! Im about to finish my undergraduate in AI. I basically learned Python there, except one subject that teached me Julia. After that i spent a lot of time with Julia, because it seemed just perfect: efficient and high …

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## [GeoMakie.land() issue](https://discourse.julialang.org/t/geomakie-land-issue/138535)

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**Author:** [@mahmah](https://discourse.julialang.org/u/mahmah)\
**Replies:** 1\
**Last updated:** [August 2, 2026, 6:20pm UTC](https://discourse.julialang.org/t/geomakie-land-issue/138535 "2026-08-02T18:20:35Z")

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It seems that there is an issue with GeoMakie.land(): GeoMakie.land(10) ERROR: MethodError: no method matching to\_multipoly(::Nothing, ::Vector{GeometryBasics.MultiPolygon{2, Float32}}) The function \`to\_multipoly\` exist…

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## [Julia v1.10.12 testing period](https://discourse.julialang.org/t/julia-v1-10-12-testing-period/138569)

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**Author:** [@kristoffer.carlsson](https://discourse.julialang.org/u/kristoffer.carlsson)\
**Replies:** 0\
**Last updated:** [August 2, 2026, 4:24pm UTC](https://discourse.julialang.org/t/julia-v1-10-12-testing-period/138569 "2026-08-02T16:24:19Z")

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The release-1.10 branch on the Julia repository now contains the set of commits we’re planning to tag as v1.10.12. The list of commits included since v1.10.0 is available here. As a patch release, it should be non-breaki…

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## [\[ANN\] NeuroAnalyzer.jl](https://discourse.julialang.org/t/ann-neuroanalyzer-jl/89574)

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**Author:** [@AdamWysokinski](https://discourse.julialang.org/u/AdamWysokinski)\
**Replies:** 42\
**Last updated:** [August 2, 2026, 10:59am UTC](https://discourse.julialang.org/t/ann-neuroanalyzer-jl/89574 "2026-08-02T10:59:16Z")

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NeuroAnalyzer.jl: EEG/MEG/NIRS/NIBS analysis with Julia v0.22.11 is out: https://codeberg.org/AdamWysokinski/NeuroAnalyzer.jl Major changes: user-managed preferences virtual channels progress meter continuous and dis…

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## [JuliaDynamics + DynamicalSystems.jl 10 year Symposium](https://discourse.julialang.org/t/juliadynamics-dynamicalsystems-jl-10-year-symposium/138566)

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**Author:** [@Datseris](https://discourse.julialang.org/u/Datseris)\
**Replies:** 0\
**Last updated:** [August 2, 2026, 8:34am UTC](https://discourse.julialang.org/t/juliadynamics-dynamicalsystems-jl-10-year-symposium/138566 "2026-08-02T08:34:27Z")

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Hello everyone, In August 2027, the 28th to be precise, it will be the 10 years (:open\_mouth:) anniversary since the DynamicalSystems.jl Julia package, and the JuliaDynamics GitHub org were announced. Since that time th…

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## [Workspaces for benchmarking, cryptanalysis, etc](https://discourse.julialang.org/t/workspaces-for-benchmarking-cryptanalysis-etc/138555)

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**Author:** [@phma](https://discourse.julialang.org/u/phma)\
**Replies:** 1\
**Last updated:** [August 2, 2026, 6:26am UTC](https://discourse.julialang.org/t/workspaces-for-benchmarking-cryptanalysis-etc/138555 "2026-08-02T06:26:50Z")

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I previously invented a cipher called Wring and a hash function called Twistree. I made a separate repo WringTwistreeCryptanalysis to cryptanalyze it; it uses Makie to plot results, whereas WringTwistree does not use or …

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## [Cross-language LTO with Base.llvmcall: getting past the "IR at every callsite" wall](https://discourse.julialang.org/t/cross-language-lto-with-base-llvmcall-getting-past-the-ir-at-every-callsite-wall/138429)

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**Author:** [@obsidianjulua](https://discourse.julialang.org/u/obsidianjulua)\
**Replies:** 8\
**Last updated:** [August 1, 2026, 9:29pm UTC](https://discourse.julialang.org/t/cross-language-lto-with-base-llvmcall-getting-past-the-ir-at-every-callsite-wall/138429 "2026-08-01T21:29:43Z")

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I’ve been parked hard on Base.llvmcall for a while and I can’t leave it alone. At first I was cruising — “oh man, this replaces everything; I’ll just inline every FFI call and let Julia LTO the whole thing.” Then I tried…

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## [\[ANN\] VS Code extension 1.224 pre-release](https://discourse.julialang.org/t/ann-vs-code-extension-1-224-pre-release/138426)

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**Author:** [@pfitzseb](https://discourse.julialang.org/u/pfitzseb)\
**Replies:** 39\
**Last updated:** [August 1, 2026, 3:48pm UTC](https://discourse.julialang.org/t/ann-vs-code-extension-1-224-pre-release/138426 "2026-08-01T15:48:34Z")

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Hey everyone, it’s been a while since we last had a noteworthy release of the Julia extension for VS Code, but this pre-release brings a significant rework of the underlying analysis engine and should fix many long stan…

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## [Is there a ruff like linter](https://discourse.julialang.org/t/is-there-a-ruff-like-linter/130871)

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**Author:** [@ohmsweetohm1](https://discourse.julialang.org/u/ohmsweetohm1)\
**Replies:** 15\
**Last updated:** [August 1, 2026, 7:58am UTC](https://discourse.julialang.org/t/is-there-a-ruff-like-linter/130871 "2026-08-01T07:58:21Z")

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In the Python universe ruff handles code formatting and linting. Is there anything in Julia that I could call like Linter.lint(".")?

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## [How to build a sysimage for Windows](https://discourse.julialang.org/t/how-to-build-a-sysimage-for-windows/138500)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 11\
**Last updated:** [July 31, 2026, 8:19pm UTC](https://discourse.julialang.org/t/how-to-build-a-sysimage-for-windows/138500 "2026-07-31T20:19:04Z")

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I built a system image on Windows 10 using Julia 1.12. But I cannot start Julia with this system image: C:\\Users\\ufechner\\repos\\IM\_AWES\_bench.jl\\bin\>julia -J sysimage.dll ERROR: could not load library "C:\\Users\\ufechner…

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## [\[ANN\] SolarPosition.jl](https://discourse.julialang.org/t/ann-solarposition-jl/134263)

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**Author:** [@langestefan](https://discourse.julialang.org/u/langestefan)\
**Replies:** 24\
**Last updated:** [July 31, 2026, 6:59pm UTC](https://discourse.julialang.org/t/ann-solarposition-jl/134263 "2026-07-31T18:59:20Z")

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I am excited to announce the release of my first public Julia package, SolarPosition.jl. TLDR SolarPosition.jl is a common interface to a variety of solar positioning algorithms which have been rewritten from scratch in…

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## [Warning in SciMLBase about ContinousClock](https://discourse.julialang.org/t/warning-in-scimlbase-about-continousclock/138534)

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**Author:** [@c-nicomar](https://discourse.julialang.org/u/c-nicomar)\
**Replies:** 5\
**Last updated:** [July 31, 2026, 5:57pm UTC](https://discourse.julialang.org/t/warning-in-scimlbase-about-continousclock/138534 "2026-07-31T17:57:42Z")

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During precompilation I get this warning. How could I avoid this? I have this version v2.155.1 SciMLBase │ ┌ Warning: the bare singleton variant syntax \`ContinuousClock\` is deprecated, write \`ContinuousClock()\` instead…

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## [Dependabot and compat entries for tests (and docs)](https://discourse.julialang.org/t/dependabot-and-compat-entries-for-tests-and-docs/138548)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 5\
**Last updated:** [July 31, 2026, 2:31pm UTC](https://discourse.julialang.org/t/dependabot-and-compat-entries-for-tests-and-docs/138548 "2026-07-31T14:31:54Z")

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I have started using Dependabot in place of Compathelper for my packages. It tries adding compat bounds for tests (and docs if applicable). I am wondering if this is good practice — yes, I can see the value in it, but a…

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## [👻 TachiRei.jl -- Persistent Julia sessions you (and your AI) can jack into](https://discourse.julialang.org/t/tachirei-jl-persistent-julia-sessions-you-and-your-ai-can-jack-into/137621)

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**Author:** [@kahliburke](https://discourse.julialang.org/u/kahliburke)\
**Replies:** 8\
**Last updated:** [July 31, 2026, 10:21am UTC](https://discourse.julialang.org/t/tachirei-jl-persistent-julia-sessions-you-and-your-ai-can-jack-into/137621 "2026-07-31T10:21:54Z")

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▎ The ghost in your Tachikoma. I wanted to share a sneak peek at something I’ve been building. Watch my conceptual teaser video here. (terminal art/sound/music created with 100% native Julia code and packages) That’s…

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## [This month in Julia World - 2026-05&06](https://discourse.julialang.org/t/this-month-in-julia-world-2026-05-06/138537)

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**Author:** [@jakobnissen](https://discourse.julialang.org/u/jakobnissen)\
**Replies:** 1\
**Last updated:** [July 31, 2026, 2:55am UTC](https://discourse.julialang.org/t/this-month-in-julia-world-2026-05-06/138537 "2026-07-31T02:55:02Z")

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Temporary change in editorship Stefan Krastanov usually edits and publishes these posts, but he has been busy the last few months and unable to do so. Until Stefan is back, at least for the next few months, the newslett…

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## [Using CedarEDA or Julia for programmatic IC design](https://discourse.julialang.org/t/using-cedareda-or-julia-for-programmatic-ic-design/108587)

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**Author:** [@seantbaker](https://discourse.julialang.org/u/seantbaker)\
**Replies:** 5\
**Last updated:** [July 30, 2026, 11:22pm UTC](https://discourse.julialang.org/t/using-cedareda-or-julia-for-programmatic-ic-design/108587 "2026-07-30T23:22:28Z")

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I watched Glen Hertz & Pepin de Vos’ JuliaCon 2021 talk about CedarEDA (formerly JuliaSPICE), and the implications for integrating a modern coding language into the fabric of simulation tools are really exciting. Since w…

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## [A queryable RDF dataset of the Julia package ecosystem](https://discourse.julialang.org/t/a-queryable-rdf-dataset-of-the-julia-package-ecosystem/138458)

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**Author:** [@mthelm85](https://discourse.julialang.org/u/mthelm85)\
**Replies:** 4\
**Last updated:** [July 30, 2026, 9:34pm UTC](https://discourse.julialang.org/t/a-queryable-rdf-dataset-of-the-julia-package-ecosystem/138458 "2026-07-30T21:34:04Z")

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I’ve been working on a project for work that has required me to learn about RDF (Resource Description Framework). As a part of that, I’ve been working on an RDF package for Julia and to help test it out I built an RDF d…

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## [Juliahub download statistics not shown](https://discourse.julialang.org/t/juliahub-download-statistics-not-shown/135241)

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**Author:** [@Eben60](https://discourse.julialang.org/u/Eben60)\
**Replies:** 3\
**Last updated:** [July 30, 2026, 9:17pm UTC](https://discourse.julialang.org/t/juliahub-download-statistics-not-shown/135241 "2026-07-30T21:17:53Z")

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It shows zero downloads for all packages, and the issue also existed a couple of weeks ago as I last checked it.

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## [\[ANN\] UVAPadova.jl – High-Performance T1D (Diabetes) Dosing Simulationation of the UVA/Padova S2008 T1D model](https://discourse.julialang.org/t/ann-uvapadova-jl-high-performance-t1d-diabetes-dosing-simulationation-of-the-uva-padova-s2008-t1d-model/136588)

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**Author:** [@Aoxo\_MoxoA](https://discourse.julialang.org/u/Aoxo_MoxoA)\
**Replies:** 1\
**Last updated:** [July 30, 2026, 7:54pm UTC](https://discourse.julialang.org/t/ann-uvapadova-jl-high-performance-t1d-diabetes-dosing-simulationation-of-the-uva-padova-s2008-t1d-model/136588 "2026-07-30T19:54:07Z")

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Hi, I’ve implemented UVAPadova.jl, a native Julia port of the UVA/Padova model. The primary goal is to provide a reliable simulation environment for T1D-Dosis (calculating insulin doses and correction factors). Most ex…

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## [Predicate function for indexing at a particular place?](https://discourse.julialang.org/t/predicate-function-for-indexing-at-a-particular-place/138531)

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**Author:** [@brainandforce](https://discourse.julialang.org/u/brainandforce)\
**Replies:** 4\
**Last updated:** [July 30, 2026, 5:36pm UTC](https://discourse.julialang.org/t/predicate-function-for-indexing-at-a-particular-place/138531 "2026-07-30T17:36:34Z")

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Is there a predicate function for indexing a collection at a particular place? Obviously we can get the first index with first and last index with last, but if we want to map over a bunch of collections at the same time …

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## [Jupyter crashes when using PyPlot and Julia 1.12](https://discourse.julialang.org/t/jupyter-crashes-when-using-pyplot-and-julia-1-12/134684)

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**Author:** [@Ferran\_Mazzanti](https://discourse.julialang.org/u/Ferran_Mazzanti)\
**Replies:** 13\
**Last updated:** [July 30, 2026, 3:05pm UTC](https://discourse.julialang.org/t/jupyter-crashes-when-using-pyplot-and-julia-1-12/134684 "2026-07-30T15:05:14Z")

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Hi, I don’t know why, but since I upgraded to julia 1.12 from 1.11 i most often get jupyter to simply crash when starting to load packages. Sometimes even the very first cell with simply using PyPlot already crashes …

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## [Compiler/Optimizer Type Inference Bug with Recursive, Nested Types (in v1.12.6)](https://discourse.julialang.org/t/compiler-optimizer-type-inference-bug-with-recursive-nested-types-in-v1-12-6/138526)

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**Author:** [@skraemer](https://discourse.julialang.org/u/skraemer)\
**Replies:** 5\
**Last updated:** [July 30, 2026, 1:30pm UTC](https://discourse.julialang.org/t/compiler-optimizer-type-inference-bug-with-recursive-nested-types-in-v1-12-6/138526 "2026-07-30T13:30:44Z")

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The following two examples each produce supposedly impossible results or crash the repl entirely, even though the code is pure Julia. I did not manage to reduce the examples further, at least not by simplifying single li…

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## [Does it make sense to define compat bounds in the test/Project.toml?](https://discourse.julialang.org/t/does-it-make-sense-to-define-compat-bounds-in-the-test-project-toml/138466)

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**Author:** [@Eben60](https://discourse.julialang.org/u/Eben60)\
**Replies:** 11\
**Last updated:** [July 30, 2026, 10:36am UTC](https://discourse.julialang.org/t/does-it-make-sense-to-define-compat-bounds-in-the-test-project-toml/138466 "2026-07-30T10:36:09Z")

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The question is in the title

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## [Understanding why I am seeing precompilation on github actions. Cache partial miss](https://discourse.julialang.org/t/understanding-why-i-am-seeing-precompilation-on-github-actions-cache-partial-miss/138390)

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**Author:** [@oxinabox](https://discourse.julialang.org/u/oxinabox)\
**Replies:** 9\
**Last updated:** [July 30, 2026, 6:43am UTC](https://discourse.julialang.org/t/understanding-why-i-am-seeing-precompilation-on-github-actions-cache-partial-miss/138390 "2026-07-30T06:43:06Z")

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I am seeing this message in my github actions logs: julia scripts/julia\_dev\_tooling/format.jl shell: /usr/bin/bash -e {0} env: JULIA\_PKG\_SERVER\_REGISTRY\_PREFERENCE: eager Activating project at \`~/work/biohau…

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## [\[ANN\]: MetidaFlows.jl - experimental workflow engine project for Julia](https://discourse.julialang.org/t/ann-metidaflows-jl-experimental-workflow-engine-project-for-julia/137298)

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**Author:** [@PharmCat](https://discourse.julialang.org/u/PharmCat)\
**Replies:** 6\
**Last updated:** [July 29, 2026, 10:26pm UTC](https://discourse.julialang.org/t/ann-metidaflows-jl-experimental-workflow-engine-project-for-julia/137298 "2026-07-29T22:26:55Z")

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Hi everyone! I’d like to share an early-stage project called MetidaFlows.jl . The package is currently in active development and should be considered experimental . The goal right now is to explore workflow-engine des…

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## [RFC PR: Add \`fmap\` as a \`map\` alternative with a better specification](https://discourse.julialang.org/t/rfc-pr-add-fmap-as-a-map-alternative-with-a-better-specification/138530)

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**Author:** [@CameronBieganek](https://discourse.julialang.org/u/CameronBieganek)\
**Replies:** 0\
**Last updated:** [July 29, 2026, 6:53pm UTC](https://discourse.julialang.org/t/rfc-pr-add-fmap-as-a-map-alternative-with-a-better-specification/138530 "2026-07-29T18:53:08Z")

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I’m looking for feedback on the following RFC PR, which proposes a new fmap function with a stricter API than that provided by map. If possible, please add your comments to the PR rather than here on Discourse.

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## [Best practices to ensure determinstic behaviour when random numbers are used](https://discourse.julialang.org/t/best-practices-to-ensure-determinstic-behaviour-when-random-numbers-are-used/138527)

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**Author:** [@HMegh](https://discourse.julialang.org/u/HMegh)\
**Replies:** 2\
**Last updated:** [July 29, 2026, 3:55pm UTC](https://discourse.julialang.org/t/best-practices-to-ensure-determinstic-behaviour-when-random-numbers-are-used/138527 "2026-07-29T15:55:59Z")

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Hi! I have been playing around with some number theory algorithms like Rabin-Shallit’s algorithm (see LagrangeFourSquares.jl) for finding a four-square representation (i.e., given n find a,b,c,d such that n=a^2+b^2+c^2+…

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## [Hemiplex numbers and factoring symmetric indefinite matrices](https://discourse.julialang.org/t/hemiplex-numbers-and-factoring-symmetric-indefinite-matrices/138501)

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**Author:** [@tim.holy](https://discourse.julialang.org/u/tim.holy)\
**Replies:** 3\
**Last updated:** [July 29, 2026, 1:01pm UTC](https://discourse.julialang.org/t/hemiplex-numbers-and-factoring-symmetric-indefinite-matrices/138501 "2026-07-29T13:01:18Z")

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I’m pleased to announce the release of two new numeric packages, HemiplexNumbers and HemiplexFactorizations, and their accompanying manuscript Jordan algebras, hemiplex numbers, and the Cholesky decomposition of arbitrar…

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## [Possibly using GeoTables/Meshes for Ferrite's visualizations?](https://discourse.julialang.org/t/possibly-using-geotables-meshes-for-ferrites-visualizations/138514)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 13\
**Last updated:** [July 29, 2026, 11:56am UTC](https://discourse.julialang.org/t/possibly-using-geotables-meshes-for-ferrites-visualizations/138514 "2026-07-29T11:56:28Z")

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These visualization pipelines are the kind of feature you would get for free if the output of a Ferrite.jl simulation lived on a GeoTables.jl over a Meshes.jl. We support nearly 100 transformations at this point. I under…

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## [\[ANN\] LowLevelFEM.jl is now published in JOSS](https://discourse.julialang.org/t/ann-lowlevelfem-jl-is-now-published-in-joss/138524)

<div class="topic-metadata">

**Author:** [@perebalazs](https://discourse.julialang.org/u/perebalazs)\
**Replies:** 0\
**Last updated:** [July 29, 2026, 9:43am UTC](https://discourse.julialang.org/t/ann-lowlevelfem-jl-is-now-published-in-joss/138524 "2026-07-29T09:43:01Z")

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I’m happy to share that LowLevelFEM.jl has been published in the Journal of Open Source Software (JOSS). LowLevelFEM.jl is a lightweight finite element toolbox written in Julia for education, research, and rapid prototy…

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