# Latest

**URL:** https://discourse.julialang.org/latest.md?page=2

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

**Page:** 3

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## [\[ANN\] CSV.jl 1.0 Release](https://discourse.julialang.org/t/ann-csv-jl-1-0-release/139485)

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**Author:** [@quinnj](https://discourse.julialang.org/u/quinnj)\
**Replies:** 4\
**Last updated:** [September 15, 2026, 7:07pm UTC](https://discourse.julialang.org/t/ann-csv-jl-1-0-release/139485 "2026-09-15T19:07:40Z")

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Hello! We’re pleased to present CSV.jl 1.0! TLDR: this is a pretty substantial rewrite of the parsing and writing internals, with big performance improvements and a few new features. The main entry points remain the sa…

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## [\[ANN\] PortfolioOptimisers.jl: Ape together strong](https://discourse.julialang.org/t/ann-portfoliooptimisers-jl-ape-together-strong/133099)

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**Author:** [@dcelisgarza](https://discourse.julialang.org/u/dcelisgarza)\
**Replies:** 16\
**Last updated:** [September 15, 2026, 9:46am UTC](https://discourse.julialang.org/t/ann-portfoliooptimisers-jl-ape-together-strong/133099 "2026-09-15T09:46:04Z")

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PortfolioOptimisers.jl Editorial note: If you read this post and then go to the docs’ homepage or the package’s readme and they seem familiar, it’s because I started writing this before I had a proper readme. Portfolio …

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## [Deprecating EzXML.jl?](https://discourse.julialang.org/t/deprecating-ezxml-jl/137622)

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**Author:** [@nhz2](https://discourse.julialang.org/u/nhz2)\
**Replies:** 3\
**Last updated:** [September 15, 2026, 8:57am UTC](https://discourse.julialang.org/t/deprecating-ezxml-jl/137622 "2026-09-15T08:57:49Z")

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EzXML.jl has a number of serious bugs. For example: Segfault when using \`link!\` · Issue #218 · JuliaIO/EzXML.jl · GitHub Is anyone currently maintaining this package? Should we mark this package as deprecated in the re…

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## [Berlin meetup: September 15th](https://discourse.julialang.org/t/berlin-meetup-september-15th/138935)

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**Author:** [@sunito](https://discourse.julialang.org/u/sunito)\
**Replies:** 4\
**Last updated:** [September 15, 2026, 8:34am UTC](https://discourse.julialang.org/t/berlin-meetup-september-15th/138935 "2026-09-15T08:34:30Z")

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Our next meetup in Berlin will be on Tuesday, September-15th at 6:30 pm. As usual, the location will be WIAS, Anton-Wilhelm-Amo-Straße 39, 10117 Berlin. If you gave a talk at JuliaCon, you can bring your slides and we…

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## [In Julia, how can I export a Tiddler (created for TiddlyHost) as a JSON file?](https://discourse.julialang.org/t/in-julia-how-can-i-export-a-tiddler-created-for-tiddlyhost-as-a-json-file/139435)

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**Author:** [@haroldnick0](https://discourse.julialang.org/u/haroldnick0)\
**Replies:** 2\
**Last updated:** [September 15, 2026, 4:43am UTC](https://discourse.julialang.org/t/in-julia-how-can-i-export-a-tiddler-created-for-tiddlyhost-as-a-json-file/139435 "2026-09-15T04:43:40Z")

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In Julia, how can I export a Tiddler (created for TiddlyHost) as a JSON file?

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## [\[ANN\] Enumlib.jl: a package for derivative structure enumeration](https://discourse.julialang.org/t/ann-enumlib-jl-a-package-for-derivative-structure-enumeration/139475)

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**Author:** [@Gus\_Hart](https://discourse.julialang.org/u/Gus_Hart)\
**Replies:** 0\
**Last updated:** [September 15, 2026, 2:29am UTC](https://discourse.julialang.org/t/ann-enumlib-jl-a-package-for-derivative-structure-enumeration/139475 "2026-09-15T02:29:31Z")

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Most users of my original enumlib will go on calling it (this new code) from inside Python, obliviously—so this probably appeals only to a handful of computational materials scientists here. But it is the culmination of …

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## [Congrats for Julia 1.13!](https://discourse.julialang.org/t/congrats-for-julia-1-13/139343)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 23\
**Last updated:** [September 15, 2026, 12:18am UTC](https://discourse.julialang.org/t/congrats-for-julia-1-13/139343 "2026-09-15T00:18:35Z")

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I am very happy that Julia 1.13 has finally been released! 30% shorter precompilation time: I can confirm that (Linux user). And running the tests no longer triggers recompilation of my 500+ packages. Very happy! Bett…

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## [In my JuMP model, the LP file preserves the original variable names, but the MPS file appears to rename them, so how can I map the Gurobi .sol solution back to the original JuMP variables?](https://discourse.julialang.org/t/in-my-jump-model-the-lp-file-preserves-the-original-variable-names-but-the-mps-file-appears-to-rename-them-so-how-can-i-map-the-gurobi-sol-solution-back-to-the-original-jump-variables/139462)

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**Author:** [@amit\_97](https://discourse.julialang.org/u/amit_97)\
**Replies:** 2\
**Last updated:** [September 14, 2026, 10:19pm UTC](https://discourse.julialang.org/t/in-my-jump-model-the-lp-file-preserves-the-original-variable-names-but-the-mps-file-appears-to-rename-them-so-how-can-i-map-the-gurobi-sol-solution-back-to-the-original-jump-variables/139462 "2026-09-14T22:19:23Z")

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Hi everyone, I’m generating both .lp and .mps files from the same JuMP model using Gurobi. In the LP file, the original JuMP variable names are preserved, for example: 1200 x2\[1,(1,\_0)\] - 41054.62117964038 B2\[1,(1,\_0)…

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## [Pluto installation fails](https://discourse.julialang.org/t/pluto-installation-fails/139166)

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**Author:** [@jacquesb](https://discourse.julialang.org/u/jacquesb)\
**Replies:** 5\
**Last updated:** [September 14, 2026, 5:32pm UTC](https://discourse.julialang.org/t/pluto-installation-fails/139166 "2026-09-14T17:32:27Z")

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Installing pluto faills. I just installed julia Version 1.12.7 (2026-08-15), on Linux antarctic 6.12.101+deb13-amd64 #1 SMP PREEMPT\_DYNAMIC Debian 6.12.101-1 (2026-08-05) x86\_64 GNU/Linux. That works fine. The first …

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## [ReTestItems.jl status and Julia 1.13+ compatibility](https://discourse.julialang.org/t/retestitems-jl-status-and-julia-1-13-compatibility/139364)

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**Author:** [@Rafael\_Brus](https://discourse.julialang.org/u/Rafael_Brus)\
**Replies:** 3\
**Last updated:** [September 14, 2026, 4:26pm UTC](https://discourse.julialang.org/t/retestitems-jl-status-and-julia-1-13-compatibility/139364 "2026-09-14T16:26:28Z")

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Hi everyone, Is anyone currently using ReTestItems.jl? I think it is an amazing tool — the parallel test execution and test items workflow have been great for our test suites. However, it currently fails on Julia 1.13…

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## [Using pre-sorted data and renaming the factor label at the same time](https://discourse.julialang.org/t/using-pre-sorted-data-and-renaming-the-factor-label-at-the-same-time/139460)

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**Author:** [@mahmah](https://discourse.julialang.org/u/mahmah)\
**Replies:** 1\
**Last updated:** [September 14, 2026, 1:51pm UTC](https://discourse.julialang.org/t/using-pre-sorted-data-and-renaming-the-factor-label-at-the-same-time/139460 "2026-09-14T13:51:34Z")

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I’d like to do what the title says, i.e. this: spec = data(df) \* mapping(:countries =\> presorted, :some\_value, color = :group) \* visual(BarPlot, direction = :x) fg = draw(spec) while renaming the factor label t…

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## [How to give Codex access to VSCode Shift+Enter Julia eval?](https://discourse.julialang.org/t/how-to-give-codex-access-to-vscode-shift-enter-julia-eval/138838)

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**Author:** [@Alex1](https://discourse.julialang.org/u/Alex1)\
**Replies:** 5\
**Last updated:** [September 14, 2026, 12:09pm UTC](https://discourse.julialang.org/t/how-to-give-codex-access-to-vscode-shift-enter-julia-eval/138838 "2026-09-14T12:09:15Z")

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I’m currently using my own custom module that starts server and exposes socket to Codex Agent so it can call it and execute code in my VS Code julia session. I wonder if there’s simpler way - given that Julia VS Code ex…

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## [School Research: Habits and Preferences of Julia Developers](https://discourse.julialang.org/t/school-research-habits-and-preferences-of-julia-developers/139204)

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**Author:** [@RenoDolman](https://discourse.julialang.org/u/RenoDolman)\
**Replies:** 4\
**Last updated:** [September 14, 2026, 8:32am UTC](https://discourse.julialang.org/t/school-research-habits-and-preferences-of-julia-developers/139204 "2026-09-14T08:32:00Z")

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Hi everyone! Currently I’m conducting a small scale research into the habits and preferences of developers that use the Julia language. Specifically: What online platform you go to for troubleshooting while coding in…

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## [PerfChecker.jl is reaching a good state and we're looking for ~~labrats~~ testers/users](https://discourse.julialang.org/t/perfchecker-jl-is-reaching-a-good-state-and-were-looking-for-labrats-testers-users/114897)

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**Author:** [@Azzaare](https://discourse.julialang.org/u/Azzaare)\
**Replies:** 1\
**Last updated:** [September 14, 2026, 5:16am UTC](https://discourse.julialang.org/t/perfchecker-jl-is-reaching-a-good-state-and-were-looking-for-labrats-testers-users/114897 "2026-09-14T05:16:01Z")

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Hi there! Years ago, I announced a proof of concept package to handle testing performances over versions: PerfChecker.jl We’re reaching the point were the package is ready to be used (v"0.2.0" waiting for merge). And w…

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## [ReactantServer.jl: serve more models per GPU with Reactant.jl and XLA (gauging interest)](https://discourse.julialang.org/t/reactantserver-jl-serve-more-models-per-gpu-with-reactant-jl-and-xla-gauging-interest/137358)

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**Author:** [@csvance](https://discourse.julialang.org/u/csvance)\
**Replies:** 17\
**Last updated:** [September 13, 2026, 8:27pm UTC](https://discourse.julialang.org/t/reactantserver-jl-serve-more-models-per-gpu-with-reactant-jl-and-xla-gauging-interest/137358 "2026-09-13T20:27:02Z")

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I have been building a Julia inference server and want to find out whether others would find it useful before investing more in polishing it for general use. Feedback, criticism, and “we already have this, it is called X…

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## [Rules\_julia\_depot: Simple Manifest/depo driven Bazel rules for Julia](https://discourse.julialang.org/t/rules-julia-depot-simple-manifest-depo-driven-bazel-rules-for-julia/139449)

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**Author:** [@csvance](https://discourse.julialang.org/u/csvance)\
**Replies:** 0\
**Last updated:** [September 13, 2026, 8:14pm UTC](https://discourse.julialang.org/t/rules-julia-depot-simple-manifest-depo-driven-bazel-rules-for-julia/139449 "2026-09-13T20:14:26Z")

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We have been having some problems with our build tooling for several multi language monorepos at work where we mix together Python, Julia, Go, Docker/Podman (OCI) containers, etc. Doing small things like getting a prope…

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## [A REPL mode for ReTest.jl](https://discourse.julialang.org/t/a-repl-mode-for-retest-jl/139446)

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**Author:** [@JamesNZ](https://discourse.julialang.org/u/JamesNZ)\
**Replies:** 0\
**Last updated:** [September 13, 2026, 5:21pm UTC](https://discourse.julialang.org/t/a-repl-mode-for-retest-jl/139446 "2026-09-13T17:21:20Z")

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I’ve wanted a REPL mode for running tests for a while now to get a more pytest-like experience with Julia, so over the weekend I added one to ReTest.jl: ReTest.jl · ReTest.jl Example usage from the docs where Julia is s…

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## [How to enable REPL Syntax Highlighting in 1.13?](https://discourse.julialang.org/t/how-to-enable-repl-syntax-highlighting-in-1-13/139340)

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**Author:** [@Nathan\_Boyer](https://discourse.julialang.org/u/Nathan_Boyer)\
**Replies:** 20\
**Last updated:** [September 13, 2026, 4:25pm UTC](https://discourse.julialang.org/t/how-to-enable-repl-syntax-highlighting-in-1-13/139340 "2026-09-13T16:25:18Z")

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Julia 1.13 News.md says: " The REPL now provides syntax highlighting for input as you type. See the REPL docs for more info about customization." Julia 1.13 REPL doc says: “The REPL provides syntax highlighting for…

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## [\[ANN\] NvimToREPLColor: bring your Neovim colorscheme to the Julia REPL](https://discourse.julialang.org/t/ann-nvimtoreplcolor-bring-your-neovim-colorscheme-to-the-julia-repl/139439)

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**Author:** [@penelopeysm](https://discourse.julialang.org/u/penelopeysm)\
**Replies:** 0\
**Last updated:** [September 13, 2026, 12:22pm UTC](https://discourse.julialang.org/t/ann-nvimtoreplcolor-bring-your-neovim-colorscheme-to-the-julia-repl/139439 "2026-09-13T12:22:13Z")

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I’m not really sure if this is a fully-fledged “package” announcement per se, but I (well, mostly Claude) wrote a small script that will query your Neovim colorscheme and generate a ~/.julia/config/faces.toml file for yo…

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## [\[ANN\] Paulimorphic.jl (v0.1.0): Pauli-operator algebra, fermion-to-qubit encodings, and more](https://discourse.julialang.org/t/ann-paulimorphic-jl-v0-1-0-pauli-operator-algebra-fermion-to-qubit-encodings-and-more/139410)

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**Author:** [@frankwswang](https://discourse.julialang.org/u/frankwswang)\
**Replies:** 1\
**Last updated:** [September 13, 2026, 11:09am UTC](https://discourse.julialang.org/t/ann-paulimorphic-jl-v0-1-0-pauli-operator-algebra-fermion-to-qubit-encodings-and-more/139410 "2026-09-13T11:09:47Z")

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I’m happy to announce Paulimorphic.jl, a package for constructing, transforming, and analyzing Pauli operators. The Julia ecosystem already has a few well-established packages built on Pauli operators, e.g., PauliStrings…

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## [How does BinaryBuilder work?](https://discourse.julialang.org/t/how-does-binarybuilder-work/139411)

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**Author:** [@obsidianjulua](https://discourse.julialang.org/u/obsidianjulua)\
**Replies:** 3\
**Last updated:** [September 13, 2026, 10:27am UTC](https://discourse.julialang.org/t/how-does-binarybuilder-work/139411 "2026-09-13T10:27:32Z")

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Can BinaryBuilder.jl deploy its toolchain building and vm locally and Id like to test building and deploying a jll locally and test vendoring it across another platform but im not sure if I need to CI push a deploy/recip…

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## [Building a system image using Julia 1.13 fails on Windows](https://discourse.julialang.org/t/building-a-system-image-using-julia-1-13-fails-on-windows/139436)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 0\
**Last updated:** [September 13, 2026, 9:18am UTC](https://discourse.julialang.org/t/building-a-system-image-using-julia-1-13-fails-on-windows/139436 "2026-09-13T09:18:24Z")

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Building a system image on Windows 10 fails if I use Julia 1.13, it succeeds using Julia 1.12. On Julia 1.12 it needs about 34 GB RAM (RAM+pagefile) and 30 minutes. On Julia 1.13 it fails even with 54 GB RAM after 1h:2…

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## [\[ANN\] KaimonSlate.jl: a reactive environment for ambitious work](https://discourse.julialang.org/t/ann-kaimonslate-jl-a-reactive-environment-for-ambitious-work/139185)

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**Author:** [@kahliburke](https://discourse.julialang.org/u/kahliburke)\
**Replies:** 20\
**Last updated:** [September 13, 2026, 1:10am UTC](https://discourse.julialang.org/t/ann-kaimonslate-jl-a-reactive-environment-for-ambitious-work/139185 "2026-09-13T01:10:38Z")

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I’ve been building KaimonSlate.jl, a reactive computing environment for Julia, for a while now. It’s fully available in General, and I’d like to take a quick tour of it here. Julia got rid of the two-language problem. S…

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## [SimpleDirectMediaLayer won't precompile on wayland](https://discourse.julialang.org/t/simpledirectmedialayer-wont-precompile-on-wayland/139414)

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**Author:** [@BananaMaster3](https://discourse.julialang.org/u/BananaMaster3)\
**Replies:** 0\
**Last updated:** [September 12, 2026, 8:22pm UTC](https://discourse.julialang.org/t/simpledirectmedialayer-wont-precompile-on-wayland/139414 "2026-09-12T20:22:43Z")

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Hey all. When I try to add SimpleDirectMediaLayer to my wayland machine, it gives this ridiculously long error. I’m clueless in this area, so I figured I would paste the entire error. I’d appreciate anything on how to d…

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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)

<div class="topic-metadata">

**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)

<div class="topic-metadata">

**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)

<div class="topic-metadata">

**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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