# Latest

**URL:** https://discourse.julialang.org/latest.md?page=96

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

**Page:** 97

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## [ModelingToolkit problem generation errors for array-valued parameters with Measurements](https://discourse.julialang.org/t/modelingtoolkit-problem-generation-errors-for-array-valued-parameters-with-measurements/133210)

<div class="topic-metadata">

**Author:** [@bspanoghe](https://discourse.julialang.org/u/bspanoghe)\
**Replies:** 1\
**Last updated:** [October 17, 2025, 9:27am UTC](https://discourse.julialang.org/t/modelingtoolkit-problem-generation-errors-for-array-valued-parameters-with-measurements/133210 "2025-10-17T09:27:02Z")

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I’ve been running into errors trying to use Measurements.jl combined with ModelingToolkit.jl when there’s array-valued parameters involved. Consider the following toy problem: using ModelingToolkit, Measurements import …

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## [The separate function in combination with BigFloat?](https://discourse.julialang.org/t/the-separate-function-in-combination-with-bigfloat/133226)

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**Author:** [@lihui3060796568](https://discourse.julialang.org/u/lihui3060796568)\
**Replies:** 0\
**Last updated:** [October 17, 2025, 5:50am UTC](https://discourse.julialang.org/t/the-separate-function-in-combination-with-bigfloat/133226 "2025-10-17T05:50:52Z")

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In the IntervalConstrainedProgramming package (Version 0.14.0) for Julia 1.11.6, how can I use the separate function in combination with BigFloat? Specifically, I want every step of iteration, calculation, and optimizati…

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## [Problems installing Agents under v1.12.0](https://discourse.julialang.org/t/problems-installing-agents-under-v1-12-0/133215)

<div class="topic-metadata">

**Author:** [@Niall](https://discourse.julialang.org/u/Niall)\
**Replies:** 4\
**Last updated:** [October 17, 2025, 4:42am UTC](https://discourse.julialang.org/t/problems-installing-agents-under-v1-12-0/133215 "2025-10-17T04:42:06Z")

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Hi. I’ve just returned to julia after absence and have installed version 1.12.0. I now have problems installing and loading a set of 8 packages relating to Agents. Here is the Pkg output: (@v1.12) pkg\> up Agents Upd…

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## [ConcurrencyViolationError in precompiling JLD2 on Julia 1.12](https://discourse.julialang.org/t/concurrencyviolationerror-in-precompiling-jld2-on-julia-1-12/133080)

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**Author:** [@ultradian](https://discourse.julialang.org/u/ultradian)\
**Replies:** 9\
**Last updated:** [October 17, 2025, 2:47am UTC](https://discourse.julialang.org/t/concurrencyviolationerror-in-precompiling-jld2-on-julia-1-12/133080 "2025-10-17T02:47:42Z")

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I just did a new install of Julia 1.12.0 and was adding packages when I got this error: PkgPrecompileError: The following 1 direct dependency failed to precompile: JLD2 rror encountered while load FileIO.File{FileIO.D…

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## [Integrals.jl & Zygote not working on 1.12](https://discourse.julialang.org/t/integrals-jl-zygote-not-working-on-1-12/133214)

<div class="topic-metadata">

**Author:** [@marcobonici](https://discourse.julialang.org/u/marcobonici)\
**Replies:** 1\
**Last updated:** [October 16, 2025, 11:43pm UTC](https://discourse.julialang.org/t/integrals-jl-zygote-not-working-on-1-12/133214 "2025-10-16T23:43:49Z")

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Hello, I have been trying to differentiate an IntegralProblem, as defined using Integrals.jl, using Zygote.jl. While on 1.10 and 1.11 it works nicely, I have issues with 1.12. Here a MWE to reproduce the error ▶ Summa…

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## [Bad GeoMakie axes for aeqd](https://discourse.julialang.org/t/bad-geomakie-axes-for-aeqd/133155)

<div class="topic-metadata">

**Author:** [@AMB](https://discourse.julialang.org/u/AMB)\
**Replies:** 3\
**Last updated:** [October 16, 2025, 11:07pm UTC](https://discourse.julialang.org/t/bad-geomakie-axes-for-aeqd/133155 "2025-10-16T23:07:29Z")

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I’m not sure how much is reasonable to expect from GeoMakie across all the “supported” projections. For instance, is the rendering of the axes in this aeqd visualization a bug or is it just not practical for all of GeoMa…

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## [Inconsistent allocation with threads and function arguments in 1.12](https://discourse.julialang.org/t/inconsistent-allocation-with-threads-and-function-arguments-in-1-12/133190)

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**Author:** [@bclyons12](https://discourse.julialang.org/u/bclyons12)\
**Replies:** 7\
**Last updated:** [October 16, 2025, 6:27pm UTC](https://discourse.julialang.org/t/inconsistent-allocation-with-threads-and-function-arguments-in-1-12/133190 "2025-10-16T18:27:45Z")

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In a large code suite, I’ve noticed substantial performance degradation using v1.12. I’m seeing large numbers of allocations in parts of the code that are threaded and involve passing functions as arguments to other func…

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## [Error with the DIVAnd.jl package](https://discourse.julialang.org/t/error-with-the-divand-jl-package/133189)

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**Author:** [@Leon6](https://discourse.julialang.org/u/Leon6)\
**Replies:** 2\
**Last updated:** [October 16, 2025, 3:33pm UTC](https://discourse.julialang.org/t/error-with-the-divand-jl-package/133189 "2025-10-16T15:33:10Z")

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Can anyone please help me debug this issue with the DIVAnd.jl package? \*\*Info\*\* Given DIVAnd was explicitly requested, output will be shown live \*\*ERROR:\*\* LoadError: cannot define function include; it already has a v…

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## [Jemalloc error using WGLMakie on RPI 5](https://discourse.julialang.org/t/jemalloc-error-using-wglmakie-on-rpi-5/132794)

<div class="topic-metadata">

**Author:** [@dkzwart](https://discourse.julialang.org/u/dkzwart)\
**Replies:** 13\
**Last updated:** [October 16, 2025, 2:51pm UTC](https://discourse.julialang.org/t/jemalloc-error-using-wglmakie-on-rpi-5/132794 "2025-10-16T14:51:47Z")

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I am running Julia 1.10.10 on Win11, RPI 4, and RPI 5, and only on the RPI 5 have I started getting a jemalloc error recently when calling WGLMakie. Any thoughts on why it wants a page file size of 5 bytes and why it is …

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## [Trying to run the Transformers'.jl copy task demo - errors](https://discourse.julialang.org/t/trying-to-run-the-transformers-jl-copy-task-demo-errors/133208)

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**Author:** [@roeya](https://discourse.julialang.org/u/roeya)\
**Replies:** 0\
**Last updated:** [October 16, 2025, 2:36pm UTC](https://discourse.julialang.org/t/trying-to-run-the-transformers-jl-copy-task-demo-errors/133208 "2025-10-16T14:36:48Z")

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Does this package is still supported? I see it is not compatible with new Flux.jl 0.16.X and the copy task in the documentation is not working as it is written someone can help with this?

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## [Computational condensed matter physics at U. Tennessee](https://discourse.julialang.org/t/computational-condensed-matter-physics-at-u-tennessee/133207)

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**Author:** [@kbarros](https://discourse.julialang.org/u/kbarros)\
**Replies:** 0\
**Last updated:** [October 16, 2025, 1:51pm UTC](https://discourse.julialang.org/t/computational-condensed-matter-physics-at-u-tennessee/133207 "2025-10-16T13:51:32Z")

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We have student and postdoctoral positions in computational condensed matter physics at U. Tennessee, and in collaboration with Oak Ridge and Los Alamos National Labs. The work will focus on the development of numerical …

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## [NonlinearSolve.jl - multidimensional interval root finding](https://discourse.julialang.org/t/nonlinearsolve-jl-multidimensional-interval-root-finding/132919)

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**Author:** [@Longblackcoffee](https://discourse.julialang.org/u/Longblackcoffee)\
**Replies:** 4\
**Last updated:** [October 16, 2025, 1:45pm UTC](https://discourse.julialang.org/t/nonlinearsolve-jl-multidimensional-interval-root-finding/132919 "2025-10-16T13:45:07Z")

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Hi everyone, TLDR: Is there a way to do multi-dimensional interval root-finding with NonlinearSolve.jl? From my understanding, it only supports one-dimensional interval root-finding right now, so I was wondering whether…

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## [Limit subtype to immediate parent in method signature?](https://discourse.julialang.org/t/limit-subtype-to-immediate-parent-in-method-signature/133177)

<div class="topic-metadata">

**Author:** [@bcon](https://discourse.julialang.org/u/bcon)\
**Replies:** 2\
**Last updated:** [October 16, 2025, 11:28am UTC](https://discourse.julialang.org/t/limit-subtype-to-immediate-parent-in-method-signature/133177 "2025-10-16T11:28:51Z")

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In UnitTypes I need to restrict a method’s arguments to types that all subtype the same parent, though there are multiple families of parents and child types. Here’s an example: abstract type AbstractMeasure end abstr…

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## [WGLMakie not initialising when inside Pluto Notebook](https://discourse.julialang.org/t/wglmakie-not-initialising-when-inside-pluto-notebook/132740)

<div class="topic-metadata">

**Author:** [@ASura-137-036](https://discourse.julialang.org/u/ASura-137-036)\
**Replies:** 8\
**Last updated:** [October 16, 2025, 9:07am UTC](https://discourse.julialang.org/t/wglmakie-not-initialising-when-inside-pluto-notebook/132740 "2025-10-16T09:07:42Z")

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WGLMakie is showing failed to initialise error while using pluto notebook. It is working as usual in julia REPL and while I use Pkg.add option inside notebook. The inbuild pluto package manager seems to be causing the is…

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## [WGLMakie showing error at precompilation stage](https://discourse.julialang.org/t/wglmakie-showing-error-at-precompilation-stage/133192)

<div class="topic-metadata">

**Author:** [@ASura-137-036](https://discourse.julialang.org/u/ASura-137-036)\
**Replies:** 2\
**Last updated:** [October 16, 2025, 9:06am UTC](https://discourse.julialang.org/t/wglmakie-showing-error-at-precompilation-stage/133192 "2025-10-16T09:06:05Z")

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I am tring to add WGLMakie in julia REPL. I am getting an error at precompilation stage where Bonito and WGLMakie fails to precompile. I have added both errors below. I would like to add I am having these error in a corp…

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## [Loading real-time data reactively in pluto](https://discourse.julialang.org/t/loading-real-time-data-reactively-in-pluto/133199)

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**Author:** [@ruben](https://discourse.julialang.org/u/ruben)\
**Replies:** 0\
**Last updated:** [October 16, 2025, 8:20am UTC](https://discourse.julialang.org/t/loading-real-time-data-reactively-in-pluto/133199 "2025-10-16T08:20:15Z")

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Hello, for a uni project, I have to retrieve real-time data from an Arduino board through the Serial port (sensor reading). I’ve successfully read the data using LibSerialPort, but I’d like to update a Pluto notebook in …

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## [Alternative to Base.get\_extension](https://discourse.julialang.org/t/alternative-to-base-get-extension/133191)

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**Author:** [@cormullion](https://discourse.julialang.org/u/cormullion)\
**Replies:** 13\
**Last updated:** [October 16, 2025, 7:14am UTC](https://discourse.julialang.org/t/alternative-to-base-get-extension/133191 "2025-10-16T07:14:23Z")

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That was quick!

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## [Bug in LinearAlgebra? How to debug a standard library](https://discourse.julialang.org/t/bug-in-linearalgebra-how-to-debug-a-standard-library/133079)

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**Author:** [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)\
**Replies:** 13\
**Last updated:** [October 15, 2025, 9:52pm UTC](https://discourse.julialang.org/t/bug-in-linearalgebra-how-to-debug-a-standard-library/133079 "2025-10-15T21:52:57Z")

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Is this known? \[91133\] signal 11 (2): Segmentation fault: 11 in expression starting at /Users/pkrysl/ACol.jl/runsim.jl:38 gc\_alloc\_map\_set at /Users/julia/.julia/scratchspaces/a66863c6-20e8-4ff4-8a62-49f30b1f605e/agent-…

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## [Juila v1.12.1 testing period](https://discourse.julialang.org/t/juila-v1-12-1-testing-period/133186)

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**Author:** [@kristoffer.carlsson](https://discourse.julialang.org/u/kristoffer.carlsson)\
**Replies:** 0\
**Last updated:** [October 15, 2025, 8:48pm UTC](https://discourse.julialang.org/t/juila-v1-12-1-testing-period/133186 "2025-10-15T20:48:24Z")

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The release-1.12 branch on the Julia repository now contains the set of commits we’re planning to tag as v1.12.1. The list of commits included since v1.12.1 is available here. As a patch release, it should be non-breakin…

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## [The Case of the Phantom Allocations 👻](https://discourse.julialang.org/t/the-case-of-the-phantom-allocations/133183)

<div class="topic-metadata">

**Author:** [@Matt\_jl](https://discourse.julialang.org/u/Matt_jl)\
**Replies:** 7\
**Last updated:** [October 15, 2025, 7:52pm UTC](https://discourse.julialang.org/t/the-case-of-the-phantom-allocations/133183 "2025-10-15T19:52:44Z")

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Hey Julia experts, I have a performance puzzle. This function is designed to be completely allocation-free, but @benchmark tells a different story. I’m hoping a fresh pair of eyes can spot the problem. This is the func…

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## [Is it normal for juliac to still produce 280 MB of libraries for a "println" example?](https://discourse.julialang.org/t/is-it-normal-for-juliac-to-still-produce-280-mb-of-libraries-for-a-println-example/133140)

<div class="topic-metadata">

**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 6\
**Last updated:** [October 15, 2025, 7:26pm UTC](https://discourse.julialang.org/t/is-it-normal-for-juliac-to-still-produce-280-mb-of-libraries-for-a-println-example/133140 "2025-10-15T19:26:36Z")

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Sorry, possibly coming from an “over-expectations” mind setting… I had a quick try on juliac, but compiling the trivial example, even with --trim=safe, produces yes an executable of ~1.7 MB, but also a set of libraries ~…

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## [\[ANN\] UnicodePlots.jl v2.8.0 - 3D plots](https://discourse.julialang.org/t/ann-unicodeplots-jl-v2-8-0-3d-plots/75963)

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**Author:** [@t-bltg](https://discourse.julialang.org/u/t-bltg)\
**Replies:** 20\
**Last updated:** [October 15, 2025, 4:38pm UTC](https://discourse.julialang.org/t/ann-unicodeplots-jl-v2-8-0-3d-plots/75963 "2025-10-15T16:38:48Z")

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Announcing UnicodePlots v2.8.0, which brings up 3D plots. Examples: surfaceplot isosurface Useful for in situ post-processing of simulations, or as a development helper for 3D codes. In case you missed out, c…

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## [Overdetermined system when using modelingtoolkitize](https://discourse.julialang.org/t/overdetermined-system-when-using-modelingtoolkitize/132917)

<div class="topic-metadata">

**Author:** [@jessehummel](https://discourse.julialang.org/u/jessehummel)\
**Replies:** 2\
**Last updated:** [October 15, 2025, 4:00pm UTC](https://discourse.julialang.org/t/overdetermined-system-when-using-modelingtoolkitize/132917 "2025-10-15T16:00:00Z")

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Hi, I would like to convert a numeric differential-algebraic equation to a symbolic model using modelingtoolkitize. However, when then trying to convert it back to an ODEProblem, I get an overdetermined warning and when …

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## [\[ANN\]: ZeroDimensionalArrays.jl: zero-dimensional arrays/references/boxes](https://discourse.julialang.org/t/ann-zerodimensionalarrays-jl-zero-dimensional-arrays-references-boxes/128002)

<div class="topic-metadata">

**Author:** [@nsajko](https://discourse.julialang.org/u/nsajko)\
**Replies:** 24\
**Last updated:** [October 15, 2025, 3:33pm UTC](https://discourse.julialang.org/t/ann-zerodimensionalarrays-jl-zero-dimensional-arrays-references-boxes/128002 "2025-10-15T15:33:59Z")

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ZeroDimensionalArrays.jl is being registered, meaning it has entered the three-day-long wait period. Feel free to suggest breaking changes until the wait period is over! It’s a tiny package, implementing several similar…

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## [Write a constructor for these aliases?](https://discourse.julialang.org/t/write-a-constructor-for-these-aliases/133135)

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**Author:** [@lrnv](https://discourse.julialang.org/u/lrnv)\
**Replies:** 11\
**Last updated:** [October 15, 2025, 10:35am UTC](https://discourse.julialang.org/t/write-a-constructor-for-these-aliases/133135 "2025-10-15T10:35:06Z")

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I am trying to write a generic constructor for a bunch of type aliases that all share a common structure: # Abstract type AbstractA with a bunch of different concrete subtypes: abstract type AbstractA end struct A1{T}…

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## [Errors when upgrading from Julia 1.11.6 to Julia 1.12](https://discourse.julialang.org/t/errors-when-upgrading-from-julia-1-11-6-to-julia-1-12/133167)

<div class="topic-metadata">

**Author:** [@JJMerelo](https://discourse.julialang.org/u/JJMerelo)\
**Replies:** 9\
**Last updated:** [October 15, 2025, 10:05am UTC](https://discourse.julialang.org/t/errors-when-upgrading-from-julia-1-11-6-to-julia-1-12/133167 "2025-10-15T10:05:25Z")

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After upgrading (via juliaup) to the newest version of Julia, I keep getting these errors/warnings: 🔧 Setting up BraveNewAlgorithm.jl dependencies... Activating project environment... Activating project at \`~/Code/jul…

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## [Default sampler for mixed continuous/discrete parameters in Turing.jl](https://discourse.julialang.org/t/default-sampler-for-mixed-continuous-discrete-parameters-in-turing-jl/132874)

<div class="topic-metadata">

**Author:** [@sdwfrost](https://discourse.julialang.org/u/sdwfrost)\
**Replies:** 2\
**Last updated:** [October 15, 2025, 7:46am UTC](https://discourse.julialang.org/t/default-sampler-for-mixed-continuous-discrete-parameters-in-turing-jl/132874 "2025-10-15T07:46:13Z")

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I’m fitting a Turing.jl model with continuous and discrete variables. Using MH() works out of the box. What’s going on under the hood here in terms of samplers and proposals? Any tips on how to tune would be great. My m…

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## [\[AdvancedHMC\] Implementation of Custom HMCKernel](https://discourse.julialang.org/t/advancedhmc-implementation-of-custom-hmckernel/132664)

<div class="topic-metadata">

**Author:** [@sample\_slice\_of\_life](https://discourse.julialang.org/u/sample_slice_of_life)\
**Replies:** 1\
**Last updated:** [October 15, 2025, 7:37am UTC](https://discourse.julialang.org/t/advancedhmc-implementation-of-custom-hmckernel/132664 "2025-10-15T07:37:31Z")

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Hello all, I am a student researching possible extensions of HMC-type samplers for settings in which posteriors exhibit high correlation between parameters. I have a working implementation of a code for a toy problem i…

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## [Julia implementation of Liquid Neural Networks - anyone wanna help make one?](https://discourse.julialang.org/t/julia-implementation-of-liquid-neural-networks-anyone-wanna-help-make-one/100953)

<div class="topic-metadata">

**Author:** [@afishy](https://discourse.julialang.org/u/afishy)\
**Replies:** 6\
**Last updated:** [October 14, 2025, 11:38pm UTC](https://discourse.julialang.org/t/julia-implementation-of-liquid-neural-networks-anyone-wanna-help-make-one/100953 "2025-10-14T23:38:59Z")

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Following a thread on machine-learning on Julia slack, i’m interested in putting together a Julia implementation of “Liquid Neural Networks”. These are time-adaptive neural networks, inspired by neuroscience models, wher…

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## [How to create a reliable event loop in Julia (few ms)?](https://discourse.julialang.org/t/how-to-create-a-reliable-event-loop-in-julia-few-ms/133153)

<div class="topic-metadata">

**Author:** [@mj2984](https://discourse.julialang.org/u/mj2984)\
**Replies:** 2\
**Last updated:** [October 14, 2025, 8:28pm UTC](https://discourse.julialang.org/t/how-to-create-a-reliable-event-loop-in-julia-few-ms/133153 "2025-10-14T20:28:40Z")

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Hi, I am trying to create an event loop that ideally does something based on a hardware interrupt (like VSync) but I would also like a software equivalent that simulates the hardware interrupt so I could replicate the s…

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