# Latest

**URL:** https://discourse.julialang.org/latest.md?page=27

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

**Page:** 28

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## [Pluto 1.0 release!](https://discourse.julialang.org/t/pluto-1-0-release/137296)

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**Author:** [@fonsp](https://discourse.julialang.org/u/fonsp)\
**Replies:** 6\
**Last updated:** [June 4, 2026, 2:17pm UTC](https://discourse.julialang.org/t/pluto-1-0-release/137296 "2026-06-04T14:17:34Z")

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After six years, it’s time to release Pluto version 1.0! With this release, I want to celebrate all the progress over the past years, and to symbolise that Pluto is ready. I am proud of what we have achieved, and I hope …

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## [Wrapping a CLI tool into a julia package](https://discourse.julialang.org/t/wrapping-a-cli-tool-into-a-julia-package/137440)

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**Author:** [@TheLateKronos](https://discourse.julialang.org/u/TheLateKronos)\
**Replies:** 2\
**Last updated:** [June 3, 2026, 10:19pm UTC](https://discourse.julialang.org/t/wrapping-a-cli-tool-into-a-julia-package/137440 "2026-06-03T22:19:45Z")

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I have been thinking about XML schema validation in julia for a little while now. I just had an idea that I would like some feedback on: Is it possible to take a CLI tool (I am thinking of the rust-based GitHub - Frankl…

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## [Secure coding in Julia?](https://discourse.julialang.org/t/secure-coding-in-julia/115972)

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**Author:** [@gdalle](https://discourse.julialang.org/u/gdalle)\
**Replies:** 19\
**Last updated:** [June 3, 2026, 9:36pm UTC](https://discourse.julialang.org/t/secure-coding-in-julia/115972 "2026-06-03T21:36:22Z")

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Hi all, Someone asked a question on the ModernJuliaWorkflows repo, and I have no clue how to answer. They are looking for tools related to SAST (Static Analysis Security Testing) and SCA (Software Composition Analysis) …

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## [Julia-snail and persistence across emacs sessions](https://discourse.julialang.org/t/julia-snail-and-persistence-across-emacs-sessions/137439)

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**Author:** [@mahmah](https://discourse.julialang.org/u/mahmah)\
**Replies:** 0\
**Last updated:** [June 3, 2026, 6:30pm UTC](https://discourse.julialang.org/t/julia-snail-and-persistence-across-emacs-sessions/137439 "2026-06-03T18:30:46Z")

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What’s the best/current way to keep julia always alive in my computer regardless of whether I have restarted emacs? I use julia-snail. Thanks!

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## [New tri-language version of "Fundamentals of Numerical Computation"](https://discourse.julialang.org/t/new-tri-language-version-of-fundamentals-of-numerical-computation/125144)

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**Author:** [@tobydriscoll](https://discourse.julialang.org/u/tobydriscoll)\
**Replies:** 4\
**Last updated:** [June 3, 2026, 5:31pm UTC](https://discourse.julialang.org/t/new-tri-language-version-of-fundamentals-of-numerical-computation/125144 "2026-06-03T17:31:47Z")

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I have updated the textbook Fundamentals of Numerical Computation, coauthored with Rich Braun, to be an online-first resource at fncbook.com. The book is intended for a standalone course or two-semester sequence in nume…

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## [Reactant.jl recompiles function each time it is called](https://discourse.julialang.org/t/reactant-jl-recompiles-function-each-time-it-is-called/137429)

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**Author:** [@fastwave](https://discourse.julialang.org/u/fastwave)\
**Replies:** 7\
**Last updated:** [June 3, 2026, 5:10pm UTC](https://discourse.julialang.org/t/reactant-jl-recompiles-function-each-time-it-is-called/137429 "2026-06-03T17:10:36Z")

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I am trying to use an optimiser from Manopt.jl to train a Lux.jl neural network using Reactant.jl. It is orders of magnitude slower than without Reactant.jl. Does anyone know how to fix it? The compiled functions, when …

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## [Issues solving DifferentialEquations EnsembleProblem](https://discourse.julialang.org/t/issues-solving-differentialequations-ensembleproblem/137413)

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**Author:** [@Theodore\_Rieger](https://discourse.julialang.org/u/Theodore_Rieger)\
**Replies:** 2\
**Last updated:** [June 3, 2026, 9:50am UTC](https://discourse.julialang.org/t/issues-solving-differentialequations-ensembleproblem/137413 "2026-06-03T09:50:05Z")

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Hello, I was trying to experiment with ensemble problems from differentialequations package. I’m very quickly running into a roadblock in that even the examples from documentation are producing errors. Below is an exampl…

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## [New Julia Podcast: The Julia Dispatch! First Guest: Tim Holy on Revise, Package Compilation, and More](https://discourse.julialang.org/t/new-julia-podcast-the-julia-dispatch-first-guest-tim-holy-on-revise-package-compilation-and-more/121433)

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**Author:** [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)\
**Replies:** 30\
**Last updated:** [June 3, 2026, 9:44am UTC](https://discourse.julialang.org/t/new-julia-podcast-the-julia-dispatch-first-guest-tim-holy-on-revise-package-compilation-and-more/121433 "2026-06-03T09:44:16Z")

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Hi all! We (@mitiemannn and I) launched a new podcast called The Julia Dispatch, where we talk with community members about developments in the language and package ecosystem. In our first episode, we talk with @tim.holy.…

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## [Fuzzy Logic for Verifying Numerical Order of a Method](https://discourse.julialang.org/t/fuzzy-logic-for-verifying-numerical-order-of-a-method/137385)

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**Author:** [@leespen1](https://discourse.julialang.org/u/leespen1)\
**Replies:** 6\
**Last updated:** [June 3, 2026, 12:53am UTC](https://discourse.julialang.org/t/fuzzy-logic-for-verifying-numerical-order-of-a-method/137385 "2026-06-03T00:53:08Z")

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I often program numerical methods for solving initial value problems, and would like to test their order of convergence. However, I find that it is difficult to have automated convergence tests, due to the pre-asymptotic…

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## [Adjoint or transpose of Char or Vector{Char}](https://discourse.julialang.org/t/adjoint-or-transpose-of-char-or-vector-char/137412)

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**Author:** [@jecs](https://discourse.julialang.org/u/jecs)\
**Replies:** 1\
**Last updated:** [June 2, 2026, 9:34pm UTC](https://discourse.julialang.org/t/adjoint-or-transpose-of-char-or-vector-char/137412 "2026-06-02T21:34:28Z")

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Scalar case: julia\> 1' 1 julia\> 'a'' ERROR: MethodError: no method matching adjoint(::Char) The function \`adjoint\` exists, but no method is defined for this combination of argument types. ... Vector case: julia\> \[1…

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## [Using textures with Raycore.jl](https://discourse.julialang.org/t/using-textures-with-raycore-jl/137404)

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**Author:** [@xor0110](https://discourse.julialang.org/u/xor0110)\
**Replies:** 1\
**Last updated:** [June 2, 2026, 5:09pm UTC](https://discourse.julialang.org/t/using-textures-with-raycore-jl/137404 "2026-06-02T17:09:24Z")

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I want to render computer graphics images from triangular mesh models. I found that Raycore.jl does a great job of optimizing the model. The examples in the documentation focus on raytracing without textures, though. How…

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## [Accessing a column from a vector of vectors](https://discourse.julialang.org/t/accessing-a-column-from-a-vector-of-vectors/136722)

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**Author:** [@Ju\_ska](https://discourse.julialang.org/u/Ju_ska)\
**Replies:** 9\
**Last updated:** [June 2, 2026, 10:45am UTC](https://discourse.julialang.org/t/accessing-a-column-from-a-vector-of-vectors/136722 "2026-06-02T10:45:25Z")

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Hi, I have something like: a = \[\["a", "1" ,"11"\], \["b", "2" ,"22"\], \["c", "3" ,"33"\]\] 3-element Vector{Vector{String}}: \["a", "1", "11"\] \["b", "2", "22"\] \["c", "3", "33"\] And I would like to get e.g. th…

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## [Perf Julia@threads behind Numba@njit(parallel=True)](https://discourse.julialang.org/t/perf-julia-threads-behind-numba-njit-parallel-true/137388)

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**Author:** [@cheng.wu](https://discourse.julialang.org/u/cheng.wu)\
**Replies:** 17\
**Last updated:** [June 2, 2026, 9:59am UTC](https://discourse.julialang.org/t/perf-julia-threads-behind-numba-njit-parallel-true/137388 "2026-06-02T09:59:33Z")

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(This is a follow up to Julia vs Numba, having created a new discourse account) I came across this article on the performance of Julia vs Python+Numba, and this section interested me. It claims parallel Julia code is qu…

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## [Juliahub package search down?](https://discourse.julialang.org/t/juliahub-package-search-down/137149)

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**Author:** [@stevengj](https://discourse.julialang.org/u/stevengj)\
**Replies:** 4\
**Last updated:** [June 2, 2026, 1:22am UTC](https://discourse.julialang.org/t/juliahub-package-search-down/137149 "2026-06-02T01:22:35Z")

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https://juliahub.com/ui/Packages currently redirects to juliahub.com :frowning:

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## [Apple Accelerate Sparse Solvers](https://discourse.julialang.org/t/apple-accelerate-sparse-solvers/110175)

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**Author:** [@jdlara-berkeley](https://discourse.julialang.org/u/jdlara-berkeley)\
**Replies:** 14\
**Last updated:** [June 1, 2026, 8:24pm UTC](https://discourse.julialang.org/t/apple-accelerate-sparse-solvers/110175 "2026-06-01T20:24:04Z")

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I am trying to wrap the calls for Apple’s Accelerate Sparse Solver and it is my first try at wrapping apple routines. I am following some of the code structure in Accelerate.jl and LinearSolvers.jl but I keep failing at…

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## [\[CFP\] EOOLT 2026 10th International Workshop on Equation-Based Object-Oriented Modeling Languages and Tools](https://discourse.julialang.org/t/cfp-eoolt-2026-10th-international-workshop-on-equation-based-object-oriented-modeling-languages-and-tools/135956)

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**Author:** [@benoit\_caillaud](https://discourse.julialang.org/u/benoit_caillaud)\
**Replies:** 2\
**Last updated:** [June 1, 2026, 2:59pm UTC](https://discourse.julialang.org/t/cfp-eoolt-2026-10th-international-workshop-on-equation-based-object-oriented-modeling-languages-and-tools/135956 "2026-06-01T14:59:50Z")

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Call for Papers Important dates Paper submission deadline: March 27, 2026 Author notification: April 27, 2026 Camera-ready: May 22, 2026 Workshop: June 15, 2026 Scope Contributions to this workshop focus on methodologi…

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## [FactorGraph.jl](https://discourse.julialang.org/t/factorgraph-jl/137292)

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**Author:** [@Mirsad\_Cosovic](https://discourse.julialang.org/u/Mirsad_Cosovic)\
**Replies:** 5\
**Last updated:** [June 1, 2026, 12:03pm UTC](https://discourse.julialang.org/t/factorgraph-jl/137292 "2026-06-01T12:03:35Z")

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Hi everyone, I would like to announce FactorGraph.jl, a Julia package for constructing factor graphs and running belief propagation algorithms. The current version covers a fairly broad family of inference algorithms o…

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## [Why is \`\]add --preserve=all\` still updating packages?](https://discourse.julialang.org/t/why-is-add-preserve-all-still-updating-packages/137368)

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**Author:** [@Alexander-Barth](https://discourse.julialang.org/u/Alexander-Barth)\
**Replies:** 0\
**Last updated:** [June 1, 2026, 8:23am UTC](https://discourse.julialang.org/t/why-is-add-preserve-all-still-updating-packages/137368 "2026-06-01T08:23:36Z")

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I have an environment where GPUArrays is already installed as an indirect dependency. I want to make it available without triggering precompilation (which can be really slow sometimes). But even with --preserve=all the…

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## [HTTP.jl 2.0 not pre-compiling](https://discourse.julialang.org/t/http-jl-2-0-not-pre-compiling/137367)

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**Author:** [@TimG](https://discourse.julialang.org/u/TimG)\
**Replies:** 1\
**Last updated:** [June 1, 2026, 8:11am UTC](https://discourse.julialang.org/t/http-jl-2-0-not-pre-compiling/137367 "2026-06-01T08:11:53Z")

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Precompilation of Reseau.jl completes as expected but then HTTP.jl precompilation just hangs. I’ve tried it multiple times and each time it just sits with the spinning disk indefinitely. It didn’t work on Friday and I ju…

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## [High dimensional (stochastic) optimal control](https://discourse.julialang.org/t/high-dimensional-stochastic-optimal-control/137345)

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**Author:** [@rveltz](https://discourse.julialang.org/u/rveltz)\
**Replies:** 5\
**Last updated:** [May 31, 2026, 11:10pm UTC](https://discourse.julialang.org/t/high-dimensional-stochastic-optimal-control/137345 "2026-05-31T23:10:17Z")

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Dear all, in the context of stochastic control, I am wondering if some of you have implemented either of the two papers in julia. Onken, D., Nurbekyan, L., Li, X., Fung, S. W., Osher, S., & Ruthotto, L. (2023). A Neur…

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## [Derivative-free optimization of bounded nonlinear least squares](https://discourse.julialang.org/t/derivative-free-optimization-of-bounded-nonlinear-least-squares/137302)

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**Author:** [@claudiop21](https://discourse.julialang.org/u/claudiop21)\
**Replies:** 13\
**Last updated:** [May 31, 2026, 5:28pm UTC](https://discourse.julialang.org/t/derivative-free-optimization-of-bounded-nonlinear-least-squares/137302 "2026-05-31T17:28:40Z")

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Hello everybody! I am looking for an optimization package to solve the following minimization problem: \\min\_{\\bf x \\in \\Omega} \\frac{1}{2}||{\\bf f} ({\\bf x})||^2 + \\lambda ||{\\bf x}||^2, where \\Omega is a bounded dom…

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## [Why Dense layer and Chain don't work for calculating gradient?](https://discourse.julialang.org/t/why-dense-layer-and-chain-dont-work-for-calculating-gradient/137360)

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**Author:** [@MathJulia](https://discourse.julialang.org/u/MathJulia)\
**Replies:** 0\
**Last updated:** [May 31, 2026, 10:24am UTC](https://discourse.julialang.org/t/why-dense-layer-and-chain-dont-work-for-calculating-gradient/137360 "2026-05-31T10:24:02Z")

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I worked with Julia for 5 years. Flux.jl gradient worked correctly. but in new versions I receive this error. Chain(Dense…, …) I see this error. \*\*MethodError: no method matching l(::Chain{Tuple{Dense{typeof(relu), Mat…

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## [Strategy for debugging heisenbug involving CSV and DuckDB?](https://discourse.julialang.org/t/strategy-for-debugging-heisenbug-involving-csv-and-duckdb/137359)

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**Author:** [@paulmelis](https://discourse.julialang.org/u/paulmelis)\
**Replies:** 3\
**Last updated:** [May 31, 2026, 10:03am UTC](https://discourse.julialang.org/t/strategy-for-debugging-heisenbug-involving-csv-and-duckdb/137359 "2026-05-31T10:03:47Z")

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I’ve been trying to come to grips with some very weird behaviour when using CSV.jl and DuckDB.jl in the same script. Basically I want to parse some large CSV files and store their data in a DuckDB database file using the…

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## [Does Julia have some kind of NIAP certification or 3rd party government assessment?](https://discourse.julialang.org/t/does-julia-have-some-kind-of-niap-certification-or-3rd-party-government-assessment/137287)

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**Author:** [@Bad\_Goose](https://discourse.julialang.org/u/Bad_Goose)\
**Replies:** 9\
**Last updated:** [May 30, 2026, 10:30pm UTC](https://discourse.julialang.org/t/does-julia-have-some-kind-of-niap-certification-or-3rd-party-government-assessment/137287 "2026-05-30T22:30:03Z")

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Does this language have some kind of assessment for working in a classified environment? I am trying to determine the eligeability and I have not been able to find anything as of yet. I see memory safe languages are reco…

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## [Documenter: callable objects](https://discourse.julialang.org/t/documenter-callable-objects/36239)

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**Author:** [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)\
**Replies:** 3\
**Last updated:** [May 30, 2026, 4:19pm UTC](https://discourse.julialang.org/t/documenter-callable-objects/36239 "2026-05-30T16:19:46Z")

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Is it possible to document a callable object “call” definition? Documenter complains about documentation not found. This is the code location: (MeshCore.jl/increl.jl at 80229d26e7a7e4a821b04df2815604101e595375 · PetrKry…

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## [Stack size of a Task in its lifetime](https://discourse.julialang.org/t/stack-size-of-a-task-in-its-lifetime/137264)

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**Author:** [@Benny](https://discourse.julialang.org/u/Benny)\
**Replies:** 12\
**Last updated:** [May 30, 2026, 3:01pm UTC](https://discourse.julialang.org/t/stack-size-of-a-task-in-its-lifetime/137264 "2026-05-30T15:01:13Z")

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Does a Task preallocate reserved\_stack::Int virtual bytes for its stack, or is it an upper limit for a dynamically resizing stack? Does it diverge from how stack size is managed for calls in the main thread? If it’s vers…

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## [Legend items with italic parts in AlgebraOfGraphics](https://discourse.julialang.org/t/legend-items-with-italic-parts-in-algebraofgraphics/137341)

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**Author:** [@stelmo](https://discourse.julialang.org/u/stelmo)\
**Replies:** 4\
**Last updated:** [May 30, 2026, 8:35am UTC](https://discourse.julialang.org/t/legend-items-with-italic-parts-in-algebraofgraphics/137341 "2026-05-30T08:35:04Z")

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Is there a way to display legend items in AoG that are made of rich text objects? For example, in biology it is usual for species names to be written in italics. It seems the best way to do this with Makie is to use Rich…

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## [About(xxx) dies with missing face!()](https://discourse.julialang.org/t/about-xxx-dies-with-missing-face/136854)

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**Author:** [@devel-chm](https://discourse.julialang.org/u/devel-chm)\
**Replies:** 3\
**Last updated:** [May 30, 2026, 3:19am UTC](https://discourse.julialang.org/t/about-xxx-dies-with-missing-face/136854 "2026-05-30T03:19:08Z")

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This is on julia 1.10.9 on windows 11: julia\> about(a3) Makie.Axis (mutable) (\<: Makie.AbstractAxis \<: Makie.Block \<: Any), occupies 1.2kB directly (referencing 27MB in total) parent::Union{Nothing, Figure…

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## [A kind of "two language problem" in Julia Ecosystem](https://discourse.julialang.org/t/a-kind-of-two-language-problem-in-julia-ecosystem/100445)

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**Author:** [@algunion](https://discourse.julialang.org/u/algunion)\
**Replies:** 53\
**Last updated:** [May 30, 2026, 2:58am UTC](https://discourse.julialang.org/t/a-kind-of-two-language-problem-in-julia-ecosystem/100445 "2026-05-30T02:58:56Z")

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I am learning a lot these days by reading the source code of various Julia packages. There are certain scenarios where I see certain things achieved in some packages - things that don’t seem to be documented anywhere. I…

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## [HTTP Streaming Antropic Claude AI](https://discourse.julialang.org/t/http-streaming-antropic-claude-ai/117666)

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**Author:** [@Marcell\_Havlik](https://discourse.julialang.org/u/Marcell_Havlik)\
**Replies:** 8\
**Last updated:** [May 29, 2026, 10:14pm UTC](https://discourse.julialang.org/t/http-streaming-antropic-claude-ai/117666 "2026-05-29T22:14:01Z")

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Hey Julianners, Yesterday I stucked with the HTTP streaming functionality very well and just cannot figure out how to solve it. I suppose the problem is with the body in the POST message. Also I cannot do write(response…

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