# Latest

**URL:** https://discourse.julialang.org/latest.md?page=3

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

**Page:** 4

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## [Using Juliaup on NixOS (2025 edition)](https://discourse.julialang.org/t/using-juliaup-on-nixos-2025-edition/130250)

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**Author:** [@dlakelan](https://discourse.julialang.org/u/dlakelan)\
**Replies:** 3\
**Last updated:** [September 12, 2026, 7:28pm UTC](https://discourse.julialang.org/t/using-juliaup-on-nixos-2025-edition/130250 "2026-09-12T19:28:43Z")

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Hey Julia friends. I’ve been trying to figure this out this morning in response to a student who is using NixOS and has convinced me to give it a try. In general on NixOS nothing is in the filesystem where things expect …

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## [MSVC is experimenting with correctly-rounded math (LLVM libc)](https://discourse.julialang.org/t/msvc-is-experimenting-with-correctly-rounded-math-llvm-libc/139402)

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**Author:** [@woclass](https://discourse.julialang.org/u/woclass)\
**Replies:** 4\
**Last updated:** [September 12, 2026, 6:23pm UTC](https://discourse.julialang.org/t/msvc-is-experimenting-with-correctly-rounded-math-llvm-libc/139402 "2026-09-12T18:23:24Z")

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Since 2015, the math functions in cmath and cstdlib are supplied by the C runtime via math.h and stdlib.h, which Microsoft ships as part of the Universal C Runtime (UCRT). … In the modern day, the UCRT math functions …

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## [Build a jll library locally with BinaryBuilder](https://discourse.julialang.org/t/build-a-jll-library-locally-with-binarybuilder/92997)

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**Author:** [@gitboy16](https://discourse.julialang.org/u/gitboy16)\
**Replies:** 1\
**Last updated:** [September 12, 2026, 5:45pm UTC](https://discourse.julialang.org/t/build-a-jll-library-locally-with-binarybuilder/92997 "2026-09-12T17:45:02Z")

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Hi, Is there a way to build a jll package from a c++ library locally on a computer using BinaryBuilder.jl? If yes, is there an example of how it can be done on windows? For example for do you build libCurl locally on a…

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## [\[ANN\] VineCopulas.jl: C-vines, D-vines, and experimental R-vines in Julia](https://discourse.julialang.org/t/ann-vinecopulas-jl-c-vines-d-vines-and-experimental-r-vines-in-julia/137930)

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**Author:** [@Santymax98](https://discourse.julialang.org/u/Santymax98)\
**Replies:** 23\
**Last updated:** [September 12, 2026, 1:02pm UTC](https://discourse.julialang.org/t/ann-vinecopulas-jl-c-vines-d-vines-and-experimental-r-vines-in-julia/137930 "2026-09-12T13:02:52Z")

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Hi everyone, I’m happy to announce that VineCopulas.jl is now registered in the Julia General registry. VineCopulas.jl is a pure-Julia package for explicit vine copula models, built on top of Copulas.jl. The current re…

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## [What might be holding up a \_jll update?](https://discourse.julialang.org/t/what-might-be-holding-up-a-jll-update/139338)

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**Author:** [@joa-quim](https://discourse.julialang.org/u/joa-quim)\
**Replies:** 8\
**Last updated:** [September 12, 2026, 10:19am UTC](https://discourse.julialang.org/t/what-might-be-holding-up-a-jll-update/139338 "2026-09-12T10:19:01Z")

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Hi, In GMT.jl the GMT\_jll version is been hold by something to a version one year old. If I force the install with \] add GMT\_jll I see (checked in 3 different computers) st ... \[b68b8c3f\] GMT\_jll v6.6.0+0 but newest …

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## [Proxima.wsharp notebooks - a parallel to pluto.jl for W# (my own language)](https://discourse.julialang.org/t/proxima-wsharp-notebooks-a-parallel-to-pluto-jl-for-w-my-own-language/139383)

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**Author:** [@sinisterMage](https://discourse.julialang.org/u/sinisterMage)\
**Replies:** 4\
**Last updated:** [September 12, 2026, 9:58am UTC](https://discourse.julialang.org/t/proxima-wsharp-notebooks-a-parallel-to-pluto-jl-for-w-my-own-language/139383 "2026-09-12T09:58:26Z")

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Hello! i would like to share proxima notebooks: an interactive notebook for W# APIs proxima brings API requests, documentation, and typed response handling into one W# project. Write a collection, document its endpoints…

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## [\[not related to julia\] My first vibe-coded app (a local model AI text assistant Firefox extension)](https://discourse.julialang.org/t/not-related-to-julia-my-first-vibe-coded-app-a-local-model-ai-text-assistant-firefox-extension/139384)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 3\
**Last updated:** [September 12, 2026, 9:47am UTC](https://discourse.julialang.org/t/not-related-to-julia-my-first-vibe-coded-app-a-local-model-ai-text-assistant-firefox-extension/139384 "2026-09-12T09:47:52Z")

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Posted herein, as I “learned the concept” within this forum… actually, no, I do not believe one truly grasps it until executing it personally.. how extraordinary that is.. my inaugural vibe-coded application, a grammar a…

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## [Symbolics Equality](https://discourse.julialang.org/t/symbolics-equality/102803)

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**Author:** [@Allan\_Baker](https://discourse.julialang.org/u/Allan_Baker)\
**Replies:** 9\
**Last updated:** [September 12, 2026, 9:16am UTC](https://discourse.julialang.org/t/symbolics-equality/102803 "2026-09-12T09:16:21Z")

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I’m trying to extend some modules to work with Symbolics by getting rid of Bool conditionals and divide by zero checks etc. I’m trying to add some unit tests and I want to test if two symbolic equations are equivalent. …

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## [Let's allow AI output in some restricted sense](https://discourse.julialang.org/t/lets-allow-ai-output-in-some-restricted-sense/139371)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 3\
**Last updated:** [September 12, 2026, 1:48am UTC](https://discourse.julialang.org/t/lets-allow-ai-output-in-some-restricted-sense/139371 "2026-09-12T01:48:51Z")

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Continuing the discussion from I don’t want to read LLM output: I was going to suggest allowing AI output, and have it labelled, then that was the next thing a saw in that very long thread. \[While I like reading threads…

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## [JuliaCon Local Tokyo 2026 - save the date!](https://discourse.julialang.org/t/juliacon-local-tokyo-2026-save-the-date/139388)

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**Author:** [@Hiroharu\_Sugawara](https://discourse.julialang.org/u/Hiroharu_Sugawara)\
**Replies:** 0\
**Last updated:** [September 11, 2026, 10:45pm UTC](https://discourse.julialang.org/t/juliacon-local-tokyo-2026-save-the-date/139388 "2026-09-11T22:45:06Z")

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Hi everyone, Welcome to JuliaCon Local Tokyo 2026, the first JuliaCon Local event in Japan! Join developers, researchers, students and enthusiasts to celebrate and explore the Julia programming language. Where : Ka…

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## [BrowserPlots.jl - view your plotting history in a browser tab](https://discourse.julialang.org/t/browserplots-jl-view-your-plotting-history-in-a-browser-tab/138939)

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**Author:** [@arnold-c](https://discourse.julialang.org/u/arnold-c)\
**Replies:** 4\
**Last updated:** [September 11, 2026, 7:05pm UTC](https://discourse.julialang.org/t/browserplots-jl-view-your-plotting-history-in-a-browser-tab/138939 "2026-09-11T19:05:24Z")

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Initial release - v0.1.0 Github page Documentation website Very quick announcement of a package to view your plots in your browser (with its history). I primarily use neovim as my coding interface, and one thing that’…

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## [Updates to the site guidelines, especially regarding gen-AI](https://discourse.julialang.org/t/updates-to-the-site-guidelines-especially-regarding-gen-ai/134315)

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**Author:** [@mbauman](https://discourse.julialang.org/u/mbauman)\
**Replies:** 39\
**Last updated:** [September 11, 2026, 6:55pm UTC](https://discourse.julialang.org/t/updates-to-the-site-guidelines-especially-regarding-gen-ai/134315 "2026-09-11T18:55:43Z")

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I’ve just updated the site FAQ Guidelines. In addition to more consistently using the language of Guidelines for the page itself, there are two major changes: The first section is re-ordered to more fully anchor to t…

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## [How to compose discrete-time static and dynamic models for systems simulation similar to Simulink?](https://discourse.julialang.org/t/how-to-compose-discrete-time-static-and-dynamic-models-for-systems-simulation-similar-to-simulink/74858)

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**Author:** [@JanKap](https://discourse.julialang.org/u/JanKap)\
**Replies:** 9\
**Last updated:** [September 11, 2026, 6:19pm UTC](https://discourse.julialang.org/t/how-to-compose-discrete-time-static-and-dynamic-models-for-systems-simulation-similar-to-simulink/74858 "2026-09-11T18:19:36Z")

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Hi all, I’m searching for a Simulink replacement. The main purpose is to have a simplified system simulation for quick prototyping. The domain is mechanical/electrical Usually, I have 4 kinds of models/subsystems Sen…

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## [FlexUnits |\> Simplify: extended capability suggestion](https://discourse.julialang.org/t/flexunits-simplify-extended-capability-suggestion/139367)

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**Author:** [@Jake](https://discourse.julialang.org/u/Jake)\
**Replies:** 4\
**Last updated:** [September 11, 2026, 6:04pm UTC](https://discourse.julialang.org/t/flexunits-simplify-extended-capability-suggestion/139367 "2026-09-11T18:04:59Z")

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A bit of background, I first started using MathCad around 1993. This was the way I became familiar with units aware calculation software. A big step up from spreadsheets! Let me walk you through an example. Here := i…

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## [EvoX Genesis for breakthrough AI development and Institute of Foundation Models Launches the Industry’s Largest Fully Open-Source Fleet of AI Models](https://discourse.julialang.org/t/evox-genesis-for-breakthrough-ai-development-and-institute-of-foundation-models-launches-the-industry-s-largest-fully-open-source-fleet-of-ai-models/139362)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 4\
**Last updated:** [September 11, 2026, 5:49pm UTC](https://discourse.julialang.org/t/evox-genesis-for-breakthrough-ai-development-and-institute-of-foundation-models-launches-the-industry-s-largest-fully-open-source-fleet-of-ai-models/139362 "2026-09-11T17:49:38Z")

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In short, it made a C compiler (C11 Compliance & C23 Subset) from scratch for US$44.38, and ported 462K-LOC Fortran 90/2008 stellar astrophysics suite to 67K LOC of pure Rust library code (13 idiomatic Rust crates) for…

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## [Mixing time-discrete and time-continuous systems in a simulation](https://discourse.julialang.org/t/mixing-time-discrete-and-time-continuous-systems-in-a-simulation/74277)

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**Author:** [@tqml](https://discourse.julialang.org/u/tqml)\
**Replies:** 22\
**Last updated:** [September 11, 2026, 5:23pm UTC](https://discourse.julialang.org/t/mixing-time-discrete-and-time-continuous-systems-in-a-simulation/74277 "2026-09-11T17:23:15Z")

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Hello all! Does anyone what’s currently the best way in the Julia ecosystem to mix time-continuous and time-discrete systems in one simulation? (e.g. I want to simulate a continuous system regulated by time-discrete con…

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## [Suggestion: Keep release thread open](https://discourse.julialang.org/t/suggestion-keep-release-thread-open/139332)

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**Author:** [@langestefan](https://discourse.julialang.org/u/langestefan)\
**Replies:** 12\
**Last updated:** [September 11, 2026, 3:57pm UTC](https://discourse.julialang.org/t/suggestion-keep-release-thread-open/139332 "2026-09-11T15:57:05Z")

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Currently every new release thread (beta or otherwise) is immediately closed. I want to suggest keeping it open instead. With all the concerns around dropping community engagement, this seems like a quick win. It allows…

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## [\[ANN\] Tethers.jl](https://discourse.julialang.org/t/ann-tethers-jl/118376)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 7\
**Last updated:** [September 11, 2026, 3:16pm UTC](https://discourse.julialang.org/t/ann-tethers-jl/118376 "2026-09-11T15:16:58Z")

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I am proud that I can release a new tutorial for physical modelling with Julia using ModelingToolkit.jl: GitHub - ufechner7/Tethers.jl: Tether models · GitHub This is not really a package, but a project with a lot of e…

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## ["Fixed iteration" DiffEq solvers on the GPU?](https://discourse.julialang.org/t/fixed-iteration-diffeq-solvers-on-the-gpu/139357)

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**Author:** [@jl\_enthusiast](https://discourse.julialang.org/u/jl_enthusiast)\
**Replies:** 2\
**Last updated:** [September 11, 2026, 2:37pm UTC](https://discourse.julialang.org/t/fixed-iteration-diffeq-solvers-on-the-gpu/139357 "2026-09-11T14:37:32Z")

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Hey, I am currently trying to (re)write some old hobby project into Julia (related to raytracing) and want to rely on the DiffEq solver interface, ideally inside a KernelAbstractions.jl kernel (as I am performing a lot …

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## [Packages for colored REPL output?](https://discourse.julialang.org/t/packages-for-colored-repl-output/132925)

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**Author:** [@Nathan\_Boyer](https://discourse.julialang.org/u/Nathan_Boyer)\
**Replies:** 1\
**Last updated:** [September 11, 2026, 2:22pm UTC](https://discourse.julialang.org/t/packages-for-colored-repl-output/132925 "2026-09-11T14:22:52Z")

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I use OhMyREPL.jl for colored input, but it doesn’t do any coloring of the output. I am consistently missing the “e” in my calculation outputs (e.g. 5.105088062083414e6) since I only care about 3-5 significant digits and…

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## [QuartzHDL v0.2.0 – Write FPGA logic in Julia, run it in Julia, compile it to Verilog](https://discourse.julialang.org/t/quartzhdl-v0-2-0-write-fpga-logic-in-julia-run-it-in-julia-compile-it-to-verilog/139233)

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**Author:** [@mchitre](https://discourse.julialang.org/u/mchitre)\
**Replies:** 2\
**Last updated:** [September 11, 2026, 12:23pm UTC](https://discourse.julialang.org/t/quartzhdl-v0-2-0-write-fpga-logic-in-julia-run-it-in-julia-compile-it-to-verilog/139233 "2026-09-11T12:23:20Z")

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Algorithmic logic in an FPGA often is a port from an implementation in Julia or Python or MATLAB, rewritten as hardware. Porting and testing can be tricky, and debugging the Verilog implementation can be painful. Wouldn’…

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## [Extension Repackaged for VScode extension API version 1.105.1](https://discourse.julialang.org/t/extension-repackaged-for-vscode-extension-api-version-1-105-1/139361)

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**Author:** [@xgdgsc](https://discourse.julialang.org/u/xgdgsc)\
**Replies:** 0\
**Last updated:** [September 11, 2026, 11:09am UTC](https://discourse.julialang.org/t/extension-repackaged-for-vscode-extension-api-version-1-105-1/139361 "2026-09-11T11:09:26Z")

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For some users old linux server that’ s not upgradable is used. I use cursor to do a repackaging. It wrote script: #!/usr/bin/env bash # Usage: ./repack-for-api1051.sh language-julia-X.Y.Z.vsix set -euo pipefail SRC=${1…

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## [CausalGraphs.jl: from measurement models to causal graphs](https://discourse.julialang.org/t/causalgraphs-jl-from-measurement-models-to-causal-graphs/139251)

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**Author:** [@scelles](https://discourse.julialang.org/u/scelles)\
**Replies:** 9\
**Last updated:** [September 11, 2026, 7:52am UTC](https://discourse.julialang.org/t/causalgraphs-jl-from-measurement-models-to-causal-graphs/139251 "2026-09-11T07:52:37Z")

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Hello Julia community, A week ago, I mentioned some work around measurement models and uncertainty analysis in the "What projects have you been working on?" section of Julia Discourse. Since then, that work has evolved…

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## [Package installation includes unnecessary docs files](https://discourse.julialang.org/t/package-installation-includes-unnecessary-docs-files/139342)

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**Author:** [@arnaud-ma](https://discourse.julialang.org/u/arnaud-ma)\
**Replies:** 3\
**Last updated:** [September 11, 2026, 7:06am UTC](https://discourse.julialang.org/t/package-installation-includes-unnecessary-docs-files/139342 "2026-09-11T07:06:37Z")

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I just installed Extremes.jl (Julia 1.13.0) and the size of ~/.julia/package/Extremes is 120Mio just because of the docs folder which contains big files (useless to me). I don’t really plan to use this package but this…

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## [\[ANN\] ModelPredictiveControl.jl](https://discourse.julialang.org/t/ann-modelpredictivecontrol-jl/100147)

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**Author:** [@franckgaga](https://discourse.julialang.org/u/franckgaga)\
**Replies:** 79\
**Last updated:** [September 11, 2026, 3:54am UTC](https://discourse.julialang.org/t/ann-modelpredictivecontrol-jl/100147 "2026-09-11T03:54:09Z")

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ModelPredictiveControl.jl I’m currently writing a model predictive control package for Julia. Here’s a quick list of the main features: Both linear and nonlinear plant models are supported. The implementation exploi…

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## [\[ANN\] SystemsOfSystems.jl, a simulation engine](https://discourse.julialang.org/t/ann-systemsofsystems-jl-a-simulation-engine/139359)

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**Author:** [@tuckermcclure](https://discourse.julialang.org/u/tuckermcclure)\
**Replies:** 0\
**Last updated:** [September 11, 2026, 3:18am UTC](https://discourse.julialang.org/t/ann-systemsofsystems-jl-a-simulation-engine/139359 "2026-09-11T03:18:30Z")

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Hi all. I’d like to announce a new package for simulating models that contain models that contain models, etc., where the models can have both continuous and discrete parts. I needed a system like this to work with modul…

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## [Meaning of "maybe" in function names and types](https://discourse.julialang.org/t/meaning-of-maybe-in-function-names-and-types/139317)

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**Author:** [@mark.garnett](https://discourse.julialang.org/u/mark.garnett)\
**Replies:** 4\
**Last updated:** [September 11, 2026, 12:55am UTC](https://discourse.julialang.org/t/meaning-of-maybe-in-function-names-and-types/139317 "2026-09-11T00:55:17Z")

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Hi all, I often see the word “maybe” in function names especially in ModelingToolkit. for example “maybe\_build\_initialization\_problem()” or “MaybeArrayIndexT” Is this a common convention in Julia? What does it mean?

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## [\[ANN\] Kaimon.jl — opening the gate between AI agents and Julia](https://discourse.julialang.org/t/ann-kaimon-jl-opening-the-gate-between-ai-agents-and-julia/135880)

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**Author:** [@kahliburke](https://discourse.julialang.org/u/kahliburke)\
**Replies:** 126\
**Last updated:** [September 10, 2026, 10:05pm UTC](https://discourse.julialang.org/t/ann-kaimon-jl-opening-the-gate-between-ai-agents-and-julia/135880 "2026-09-10T22:05:22Z")

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The AI coding landscape is moving fast. Agents that can genuinely reason, write, and iterate on code are here, and they’re getting dramatically better every few months. The question for us as Julia users is: how do we …

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## [Building an incremental sysimage in seconds instead of minutes](https://discourse.julialang.org/t/building-an-incremental-sysimage-in-seconds-instead-of-minutes/139352)

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**Author:** [@melevy](https://discourse.julialang.org/u/melevy)\
**Replies:** 0\
**Last updated:** [September 10, 2026, 8:56pm UTC](https://discourse.julialang.org/t/building-an-incremental-sysimage-in-seconds-instead-of-minutes/139352 "2026-09-10T20:56:55Z")

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Disclaimer: this post was written using AI, but I did my best to make this informative and useful for others. The post has been flagged for being an advertisement, it is not. I hope it passes this time. This is a resear…

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## [What is the current best practice to fix a broken package install?](https://discourse.julialang.org/t/what-is-the-current-best-practice-to-fix-a-broken-package-install/139320)

<div class="topic-metadata">

**Author:** [@Benny](https://discourse.julialang.org/u/Benny)\
**Replies:** 5\
**Last updated:** [September 10, 2026, 8:47pm UTC](https://discourse.julialang.org/t/what-is-the-current-best-practice-to-fix-a-broken-package-install/139320 "2026-09-10T20:47:38Z")

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Haven’t run into this personally yet, but it’s been on my mind. Say Package@v1.2.3 is not working properly in a given environment, but I do not know why and want to reinstall it and its dependencies in case a file got co…

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