# Latest

**URL:** https://discourse.julialang.org/latest.md?page=23

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

**Page:** 24

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## [JuliaHub not working in Firefox](https://discourse.julialang.org/t/juliahub-not-working-in-firefox/137712)

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**Author:** [@tp2750](https://discourse.julialang.org/u/tp2750)\
**Replies:** 5\
**Last updated:** [June 20, 2026, 4:57pm UTC](https://discourse.julialang.org/t/juliahub-not-working-in-firefox/137712 "2026-06-20T16:57:50Z")

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https://juliahub.com/ is not working in Firefox (v 149.0 on Ubuntu). I get: It works fine in Chromium, Chrome and Edge. It has been the case for some time. Any idea where I can report this?

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## [How can I keep a GLMakie window open?](https://discourse.julialang.org/t/how-can-i-keep-a-glmakie-window-open/137713)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 1\
**Last updated:** [June 20, 2026, 3:54pm UTC](https://discourse.julialang.org/t/how-can-i-keep-a-glmakie-window-open/137713 "2026-06-20T15:54:42Z")

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I switched from PythonPlot to GLMakie, and in PythonPlot, I could do: plt.show(block=true) at the end of a script that is run from the command line (not from the REPL) to keep the plot window open until the user closes…

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## [Nested submodels slow down Turing ~7x (Mooncake AD)](https://discourse.julialang.org/t/nested-submodels-slow-down-turing-7x-mooncake-ad/137679)

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**Author:** [@simonsteiger](https://discourse.julialang.org/u/simonsteiger)\
**Replies:** 5\
**Last updated:** [June 20, 2026, 2:30pm UTC](https://discourse.julialang.org/t/nested-submodels-slow-down-turing-7x-mooncake-ad/137679 "2026-06-20T14:30:36Z")

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I just discovered that nesting several submodels in Turing.jl seems to considerably slow down sampling (I only tried Mooncake.jl so far). The code below shows this with the eight schools dataset. I’ve deliberately made …

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## [Plotting in Pluto with GLMakie](https://discourse.julialang.org/t/plotting-in-pluto-with-glmakie/137706)

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**Author:** [@mahmah](https://discourse.julialang.org/u/mahmah)\
**Replies:** 3\
**Last updated:** [June 20, 2026, 9:16am UTC](https://discourse.julialang.org/t/plotting-in-pluto-with-glmakie/137706 "2026-06-20T09:16:36Z")

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I have a function that creates a Makie plot. I want it to display that plot by default, but to also return other information, let’s say fig and ax, so it can be called as fig, ax = myplot(x). I’m using show == true && di…

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## [Makie and LaTeX](https://discourse.julialang.org/t/makie-and-latex/137700)

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**Author:** [@tduretz](https://discourse.julialang.org/u/tduretz)\
**Replies:** 5\
**Last updated:** [June 20, 2026, 6:09am UTC](https://discourse.julialang.org/t/makie-and-latex/137700 "2026-06-20T06:09:22Z")

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Hi. I was wondering whether there was a way to support stuff like \\boldsymbol{x} within Makie. It seems that using LateXStrings or MathTeXEngine do not allow to use such commands. Or am I missing something else? The to…

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## [Looking for test cases for JuliaFormatter, i.e., please give me your big Julia repositories](https://discourse.julialang.org/t/looking-for-test-cases-for-juliaformatter-i-e-please-give-me-your-big-julia-repositories/137569)

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**Author:** [@penelopeysm](https://discourse.julialang.org/u/penelopeysm)\
**Replies:** 6\
**Last updated:** [June 19, 2026, 9:21pm UTC](https://discourse.julialang.org/t/looking-for-test-cases-for-juliaformatter-i-e-please-give-me-your-big-julia-repositories/137569 "2026-06-19T21:21:59Z")

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Hello! Since being moved to JuliaEditorSupport a few weeks ago, v2 of JuliaFormatter has had a lot of updates and bug fixes (by my count, 47 issues have been closed by recent PRs – that is excluding old issues which no l…

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## [Dyad 3.0 slower Transient Analysis](https://discourse.julialang.org/t/dyad-3-0-slower-transient-analysis/137148)

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**Author:** [@gruemelmonster](https://discourse.julialang.org/u/gruemelmonster)\
**Replies:** 12\
**Last updated:** [June 19, 2026, 5:19pm UTC](https://discourse.julialang.org/t/dyad-3-0-slower-transient-analysis/137148 "2026-06-19T17:19:26Z")

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Hi I just got greeted in VSCode with a message that made me update to Dyad 3.0… After using the AI to update my models I now realized that the TransientAnalysis is now much slower that before. (5min instead of 3min mayb…

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## [Keep n largest values compared by f](https://discourse.julialang.org/t/keep-n-largest-values-compared-by-f/137699)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 5\
**Last updated:** [June 19, 2026, 5:04pm UTC](https://discourse.julialang.org/t/keep-n-largest-values-compared-by-f/137699 "2026-06-19T17:04:31Z")

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I am iterating through about 10^6 values x and want to keep n of those for which f(x) is the largest.n is around 1000. I have looked at similar topics (1, 2, 3), some suggest maintaining a vector (see below), some min-m…

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## [\[ANN\] 🚀 Announcing Browzarr.jl](https://discourse.julialang.org/t/ann-announcing-browzarr-jl/137535)

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**Author:** [@lazarusA](https://discourse.julialang.org/u/lazarusA)\
**Replies:** 3\
**Last updated:** [June 19, 2026, 4:09pm UTC](https://discourse.julialang.org/t/ann-announcing-browzarr-jl/137535 "2026-06-19T16:09:10Z")

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Hey there, it’s been a while! Today, I want to draw your attention to Browzarr.jl, the Julia bridge for launching Browzarr, a browser-based visualization framework for exploring and analyzing Zarr and NetCDF datasets. T…

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## [How to understand reasons for some unexpected heap allocations](https://discourse.julialang.org/t/how-to-understand-reasons-for-some-unexpected-heap-allocations/137645)

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**Author:** [@user664303](https://discourse.julialang.org/u/user664303)\
**Replies:** 25\
**Last updated:** [June 19, 2026, 1:47pm UTC](https://discourse.julialang.org/t/how-to-understand-reasons-for-some-unexpected-heap-allocations/137645 "2026-06-19T13:47:16Z")

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I’m really surprised by some heap allocations being made within a package I maintain. I don’t expect them because: I’ve use Cthulhu to ensure that all variables in the code are concretely typed. The variables in questi…

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## [\`get()\` returns default value instead of value matching to valid key when default value is an \`error()\`](https://discourse.julialang.org/t/get-returns-default-value-instead-of-value-matching-to-valid-key-when-default-value-is-an-error/137670)

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**Author:** [@jlawrie](https://discourse.julialang.org/u/jlawrie)\
**Replies:** 10\
**Last updated:** [June 19, 2026, 12:26pm UTC](https://discourse.julialang.org/t/get-returns-default-value-instead-of-value-matching-to-valid-key-when-default-value-is-an-error/137670 "2026-06-19T12:26:09Z")

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Hello everyone! Looking at the MWE below: It appears error/throw are run before get is finished, causing get to be interrupted and the default value to be returned, rather than the value which matches the valid key as …

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## [Update initialization guesses on an existing problem without rebuilding?](https://discourse.julialang.org/t/update-initialization-guesses-on-an-existing-problem-without-rebuilding/137694)

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**Author:** [@Bart\_van\_de\_Lint](https://discourse.julialang.org/u/Bart_van_de_Lint)\
**Replies:** 0\
**Last updated:** [June 19, 2026, 11:06am UTC](https://discourse.julialang.org/t/update-initialization-guesses-on-an-existing-problem-without-rebuilding/137694 "2026-06-19T11:06:55Z")

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I have a DAE built with ModelingToolkit. Between solves I re-initialize from a new operating point. For variables that have an initial constraint\*I can update them in place via the Initial parameter: prob.ps\[Initial(x)\]…

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## [\[ANN\] Optim.jl updates](https://discourse.julialang.org/t/ann-optim-jl-updates/109340)

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**Author:** [@pkofod](https://discourse.julialang.org/u/pkofod)\
**Replies:** 22\
**Last updated:** [June 19, 2026, 8:39am UTC](https://discourse.julialang.org/t/ann-optim-jl-updates/109340 "2026-06-19T08:39:38Z")

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Hi all! I am not sure if the Package Announcements category existed back when the previous version announcements were made about Optim.jl, so I am starting a new thread here. Optim v1.8.0 is out as of yesterday. It is …

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## [How do I purge my account and all questions I have asked please?](https://discourse.julialang.org/t/how-do-i-purge-my-account-and-all-questions-i-have-asked-please/31933)

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**Author:** [@anon97116444](https://discourse.julialang.org/u/anon97116444)\
**Replies:** 8\
**Last updated:** [June 19, 2026, 7:06am UTC](https://discourse.julialang.org/t/how-do-i-purge-my-account-and-all-questions-i-have-asked-please/31933 "2026-06-19T07:06:16Z")

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I want to purge my account and delete all the questions I have asked. I don’t really see how to do that. Thanks for any assistance.

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## [Invalid Shapes error on creating ODEProblem from MTK system](https://discourse.julialang.org/t/invalid-shapes-error-on-creating-odeproblem-from-mtk-system/137671)

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**Author:** [@mark.garnett](https://discourse.julialang.org/u/mark.garnett)\
**Replies:** 2\
**Last updated:** [June 18, 2026, 8:00pm UTC](https://discourse.julialang.org/t/invalid-shapes-error-on-creating-odeproblem-from-mtk-system/137671 "2026-06-18T20:00:21Z")

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I have been running into this problem in many situations and am at a loss to figure it out. It always seems to occur with ifelse() statements, abs(), and the like. Unfortunately I have to have a lot of these types of sta…

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## [\[ANN\] LinRegOutliers: a Julia package for detecting outliers in linear regression](https://discourse.julialang.org/t/ann-linregoutliers-a-julia-package-for-detecting-outliers-in-linear-regression/47280)

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**Author:** [@jbytecode](https://discourse.julialang.org/u/jbytecode)\
**Replies:** 24\
**Last updated:** [June 18, 2026, 7:50pm UTC](https://discourse.julialang.org/t/ann-linregoutliers-a-julia-package-for-detecting-outliers-in-linear-regression/47280 "2026-06-18T19:50:20Z")

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Hi there, This is an open invitation for the community. LinRegOutliers is a Julia package for detecting outliers in linear regression. In its current state, the package contains some pioneering algorithms that have take…

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## [Suggestion for a new package: MinimalWorkingExamples.jl](https://discourse.julialang.org/t/suggestion-for-a-new-package-minimalworkingexamples-jl/59391)

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**Author:** [@yakir12](https://discourse.julialang.org/u/yakir12)\
**Replies:** 33\
**Last updated:** [June 18, 2026, 3:45pm UTC](https://discourse.julialang.org/t/suggestion-for-a-new-package-minimalworkingexamples-jl/59391 "2026-06-18T15:45:39Z")

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I have an idea for a package and am wondering if anyone feels like implementing it. MinimalWorkingExamples.jl A package for Minimal Working Examples (MWE), where by using MinimalWorkingExamples the current REPL session …

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## [How to suppress JETLS warnings](https://discourse.julialang.org/t/how-to-suppress-jetls-warnings/137649)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 1\
**Last updated:** [June 18, 2026, 2:49pm UTC](https://discourse.julialang.org/t/how-to-suppress-jetls-warnings/137649 "2026-06-18T14:49:50Z")

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In general, JETLS helps a lot. But some warnings I would like to suppress, for example this one: \`ADD\_MIRROR\` is not concretized but JET needs to use its actual value in order to define types or methods. - If this bin…

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## [\[ANN\]: DistributionsFactories.jl](https://discourse.julialang.org/t/ann-distributionsfactories-jl/137619)

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**Author:** [@yoninazarathy](https://discourse.julialang.org/u/yoninazarathy)\
**Replies:** 10\
**Last updated:** [June 18, 2026, 12:32pm UTC](https://discourse.julialang.org/t/ann-distributionsfactories-jl/137619 "2026-06-18T12:32:51Z")

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I’m happy to announce DistributionsFactories.jl, a package that solves a problem most of us have hit: you know the summary statistics you want — a mean and variance, a couple of quantiles, a mode — but you need an actual…

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## [Benchmarking a value dependent function](https://discourse.julialang.org/t/benchmarking-a-value-dependent-function/137683)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 1\
**Last updated:** [June 18, 2026, 11:11am UTC](https://discourse.julialang.org/t/benchmarking-a-value-dependent-function/137683 "2026-06-18T11:11:06Z")

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I have a package that, at its core, performs a calculation f(P, x) for various values of x, using various user-defined methods for problem P and inputs x. The key is that even though all the components are type-stable,…

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## [Performance issue after upgrade from Julia 1.9.3 to 1.10.11](https://discourse.julialang.org/t/performance-issue-after-upgrade-from-julia-1-9-3-to-1-10-11/137657)

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**Author:** [@rdl987](https://discourse.julialang.org/u/rdl987)\
**Replies:** 6\
**Last updated:** [June 18, 2026, 8:39am UTC](https://discourse.julialang.org/t/performance-issue-after-upgrade-from-julia-1-9-3-to-1-10-11/137657 "2026-06-18T08:39:42Z")

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I’m migrating my project from julia 1.9.3 to 1.10.11 and I’m experiencing a huge quantity of time in gc. I benchmarked a function that performs arrow files reads from an s3 bucket an the @time with Julia 1.10.11 report …

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## [Bijou64 varint encoding](https://discourse.julialang.org/t/bijou64-varint-encoding/137654)

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**Author:** [@KyleSJohnston](https://discourse.julialang.org/u/KyleSJohnston)\
**Replies:** 5\
**Last updated:** [June 18, 2026, 5:53am UTC](https://discourse.julialang.org/t/bijou64-varint-encoding/137654 "2026-06-18T05:53:04Z")

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I recently discovered the bijou64 variable-length integer encoding. The reference implementation is in Rust, and it appears to outperform LEB128 for most encoding and decoding. While I don’t have any need for bijou64 in …

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## [Non-allocating way to parse section of string as number?](https://discourse.julialang.org/t/non-allocating-way-to-parse-section-of-string-as-number/137672)

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**Author:** [@AwesomeQuest](https://discourse.julialang.org/u/AwesomeQuest)\
**Replies:** 2\
**Last updated:** [June 17, 2026, 8:31pm UTC](https://discourse.julialang.org/t/non-allocating-way-to-parse-section-of-string-as-number/137672 "2026-06-17T20:31:57Z")

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Given a big string with numbers in it like input = ";(,)\<mul(595,110)~ #(select()-?who():mul(732,729)+/;%@mul(924,700)" and I know at execution time exactly where a number is in the string, I can parse that section of …

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## [Backtesting framework](https://discourse.julialang.org/t/backtesting-framework/47351)

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**Author:** [@bicepjai](https://discourse.julialang.org/u/bicepjai)\
**Replies:** 48\
**Last updated:** [June 17, 2026, 5:03pm UTC](https://discourse.julialang.org/t/backtesting-framework/47351 "2026-06-17T17:03:12Z")

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There seems to be no maintained package for trading backtesting framework like a framewokr in python called backtrader I did come across dysonance/Strategems.jl JuliaQuant/TradingLogic.jl Anyone in the process of cre…

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## [Julia LoadError on Windows: Application Control blocks libintl-8.dll](https://discourse.julialang.org/t/julia-loaderror-on-windows-application-control-blocks-libintl-8-dll/137669)

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**Author:** [@Labubu](https://discourse.julialang.org/u/Labubu)\
**Replies:** 0\
**Last updated:** [June 17, 2026, 2:06pm UTC](https://discourse.julialang.org/t/julia-loaderror-on-windows-application-control-blocks-libintl-8-dll/137669 "2026-06-17T14:06:19Z")

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Hi, I am new to Julia. I have been getting this error every once in a while and I am not quite sure how to solve it. I am running Julia on Windows through VS Code. When I run my script, Windows Security blocks a DLL fro…

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## [Upwinding in Gridap](https://discourse.julialang.org/t/upwinding-in-gridap/127571)

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**Author:** [@Simons](https://discourse.julialang.org/u/Simons)\
**Replies:** 1\
**Last updated:** [June 17, 2026, 1:48pm UTC](https://discourse.julialang.org/t/upwinding-in-gridap/127571 "2026-06-17T13:48:27Z")

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Hi all, I want to solve an advection-diffusion problem with DG and upwinding. Specifically, I need to define the form f1(u,v) = ∫( upwinded(u, b, n\_Λ) \* v )dΛ where upwinded(u, b, n\_Λ) = u.plus if dot(b, n\_\\Lambda.p…

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## [Gridap use for finite element modelling for electrochemical electrode modelling](https://discourse.julialang.org/t/gridap-use-for-finite-element-modelling-for-electrochemical-electrode-modelling/135377)

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**Author:** [@algoking](https://discourse.julialang.org/u/algoking)\
**Replies:** 1\
**Last updated:** [June 17, 2026, 12:35pm UTC](https://discourse.julialang.org/t/gridap-use-for-finite-element-modelling-for-electrochemical-electrode-modelling/135377 "2026-06-17T12:35:11Z")

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Hi everyone, I am currently transitioning our lab’s electrochemical modeling workflow from COMSOL to Gridap.jl. My goal is to move away from proprietary licenses and leverage the flexibility of the Julia ecosystem. The…

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## [Projection of Gradient of Tensor object](https://discourse.julialang.org/t/projection-of-gradient-of-tensor-object/135467)

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**Author:** [@Ankan\_Man](https://discourse.julialang.org/u/Ankan_Man)\
**Replies:** 3\
**Last updated:** [June 17, 2026, 12:31pm UTC](https://discourse.julialang.org/t/projection-of-gradient-of-tensor-object/135467 "2026-06-17T12:31:26Z")

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Hi all. I am having an issue with projecting the derivative of a tensor on a sphere. This is the term in the weak form. Let P be the projector ( P = I - nxn). How to properly do the projection. Please help term = ∇(q) ⊙…

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## [PromptingTools.jl and OpenRouter](https://discourse.julialang.org/t/promptingtools-jl-and-openrouter/137662)

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**Author:** [@KajWiik](https://discourse.julialang.org/u/KajWiik)\
**Replies:** 2\
**Last updated:** [June 17, 2026, 7:08am UTC](https://discourse.julialang.org/t/promptingtools-jl-and-openrouter/137662 "2026-06-17T07:08:41Z")

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I noticed that only selected OpenRouter models are available for PromptingTools.jl. How to use others e.g. the free ones for testing like openai/gpt-oss-120b:free?

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## [Package Primes.jl not work](https://discourse.julialang.org/t/package-primes-jl-not-work/137653)

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**Author:** [@mefi](https://discourse.julialang.org/u/mefi)\
**Replies:** 7\
**Last updated:** [June 17, 2026, 6:52am UTC](https://discourse.julialang.org/t/package-primes-jl-not-work/137653 "2026-06-17T06:52:31Z")

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For Julia 1.12.6 xxx cannot be found when loading the package Primes.jl. xxx: version 6.10.2+1 of package Qt6Base\_jll is not available. what can I do?

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