# Latest **URL:** https://forum.modular.com/latest.md [Latest](https://forum.modular.com/latest.md) · [Categories](https://forum.modular.com/categories.md) · [Tags](https://forum.modular.com/tags.md) --- ## [How to post in the Modular forum](https://forum.modular.com/t/how-to-post-in-the-modular-forum/30)
**Author:** [@Modular](https://forum.modular.com/u/Modular)\ **Replies:** 0\ **Last updated:** [December 6, 2024, 12:43am UTC](https://forum.modular.com/t/how-to-post-in-the-modular-forum/30 "2024-12-06T00:43:59Z")
Welcome to the Modular forum! :partying\_face: Here are some tips to help you write effective posts and get meaningful answers. Tag your post as discussion or debugging. All posts should be tagged with either discuss… --- ## [String's CoW abstraction needs refinement](https://forum.modular.com/t/strings-cow-abstraction-needs-refinement/3524)
**Author:** [@leb-kuchen](https://forum.modular.com/u/leb-kuchen)\ **Replies:** 0\ **Last updated:** [September 23, 2026, 7:54am UTC](https://forum.modular.com/t/strings-cow-abstraction-needs-refinement/3524 "2026-09-23T07:54:38Z")
…It’s a great abstraction, but only works for String. Right now, String behaves like Arc with implicit Arc::make\_mut calls in Rust, except for small and constant optimizations. Note that str is an unsized type here, no… --- ## [Native Serializers for Mojo](https://forum.modular.com/t/native-serializers-for-mojo/3523)
**Author:** [@leo-gan](https://forum.modular.com/u/leo-gan)\ **Replies:** 0\ **Last updated:** [September 22, 2026, 6:06pm UTC](https://forum.modular.com/t/native-serializers-for-mojo/3523 "2026-09-22T18:06:57Z")
We’ve benchmarked the existing Mojo serializers. We also evaluated the compliance of the serializers to the standards (JSON, Avro, ProtoBuf, etc.). New serializers were added with the goal of covering the most-used ser… --- ## [Mojo compiler is open for open source contributions](https://forum.modular.com/t/mojo-compiler-is-open-for-open-source-contributions/3499)
**Author:** [@denis](https://forum.modular.com/u/denis)\ **Replies:** 2\ **Last updated:** [September 22, 2026, 5:51pm UTC](https://forum.modular.com/t/mojo-compiler-is-open-for-open-source-contributions/3499 "2026-09-22T17:51:48Z")
Hey everyone, I’m happy to announce that we’re now accepting OSS contributions to the Mojo compiler and tools! We are starting slowly, with bug fixes accepted first, and we will gradually work towards taking more substa… --- ## [Mojagg: A port of Numbagg to Mojo](https://forum.modular.com/t/mojagg-a-port-of-numbagg-to-mojo/3522)
**Author:** [@josephnowak](https://forum.modular.com/u/josephnowak)\ **Replies:** 0\ **Last updated:** [September 22, 2026, 10:05am UTC](https://forum.modular.com/t/mojagg-a-port-of-numbagg-to-mojo/3522 "2026-09-22T10:05:38Z")
Hi all, I wanted to share my project called Mojagg, which is a port of Numbagg—a project used by the Xarray community to accelerate various algorithms using Numba. You can install it via PyPI. I decided to port Numbagg… --- ## [Mojo LSP Server integration into Neovim 0.12+](https://forum.modular.com/t/mojo-lsp-server-integration-into-neovim-0-12/3521)
**Author:** [@derickdowney](https://forum.modular.com/u/derickdowney)\ **Replies:** 0\ **Last updated:** [September 21, 2026, 8:44pm UTC](https://forum.modular.com/t/mojo-lsp-server-integration-into-neovim-0-12/3521 "2026-09-21T20:44:11Z")
Hey all! I figured out how to get the mojo-lsp-server to work inside Neovim (version 0.12.5) so I made this video about it: https://www.youtube.com/watch?v=gIdtEpi-PIA I’m honestly brand new to both Mojo and Neovim so i… --- ## [Bare-metal Mojo on a $4 microcontroller — a pure-Mojo RP2040 firmware + SDK](https://forum.modular.com/t/bare-metal-mojo-on-a-4-microcontroller-a-pure-mojo-rp2040-firmware-sdk/3298)
**Author:** [@Hundo](https://forum.modular.com/u/Hundo)\ **Replies:** 14\ **Last updated:** [September 21, 2026, 6:36pm UTC](https://forum.modular.com/t/bare-metal-mojo-on-a-4-microcontroller-a-pure-mojo-rp2040-firmware-sdk/3298 "2026-09-21T18:36:28Z")
Mojo is usually pointed at GPUs and AI kernels. I wanted to see how far the other direction goes, so I wrote a bare-metal firmware and peripheral SDK for the Raspberry Pi Pico (RP2040, a dual Cortex-M0+) in pure Mojo — n… --- ## [Pyroquet, mojo-native Apache Parquet](https://forum.modular.com/t/pyroquet-mojo-native-apache-parquet/3520)
**Author:** [@StrGenIx](https://forum.modular.com/u/StrGenIx)\ **Replies:** 1\ **Last updated:** [September 21, 2026, 2:37pm UTC](https://forum.modular.com/t/pyroquet-mojo-native-apache-parquet/3520 "2026-09-21T14:37:22Z")
Hi all, I’d like to introduce GitHub - idlab-discover/pyroquet · GitHub , a mojo-native reader / writer for parquet files. It adheres to the specification File Format | Parquet. It does not fully cover the specification… --- ## [Mojo native version of Snappy compression](https://forum.modular.com/t/mojo-native-version-of-snappy-compression/3519)
**Author:** [@StrGenIx](https://forum.modular.com/u/StrGenIx)\ **Replies:** 0\ **Last updated:** [September 21, 2026, 12:47pm UTC](https://forum.modular.com/t/mojo-native-version-of-snappy-compression/3519 "2026-09-21T12:47:52Z")
Hi all, I’d like to introduce mojo-snappy, a mojo-native implementation of the snappy compression algorithm. I have been working for a while on a bigger project to read / write Apache parquet files in pure mojo. Snappy … --- ## [Balsa, mojo-native Treelite reader / writer](https://forum.modular.com/t/balsa-mojo-native-treelite-reader-writer/3518)
**Author:** [@StrGenIx](https://forum.modular.com/u/StrGenIx)\ **Replies:** 0\ **Last updated:** [September 21, 2026, 12:30pm UTC](https://forum.modular.com/t/balsa-mojo-native-treelite-reader-writer/3518 "2026-09-21T12:30:22Z")
Hello everyone, I have been playing around with Mojo for quite a while, but now that there is a 1.0.0 release, I wanted to make my first library contribution: GitHub - idlab-discover/balsa · GitHub . Balsa is a native … --- ## [Discussion: Is the ^ Transfer Sigil Visible Enough?](https://forum.modular.com/t/discussion-is-the-transfer-sigil-visible-enough/3513)
**Author:** [@kkbj](https://forum.modular.com/u/kkbj)\ **Replies:** 3\ **Last updated:** [September 21, 2026, 8:52am UTC](https://forum.modular.com/t/discussion-is-the-transfer-sigil-visible-enough/3513 "2026-09-21T08:52:26Z")
hello, I’d like to discuss the readability of Mojo’s ^ transfer sigil. The \[official ownership documentation\] explains that when a function takes a var argument, the caller can explicitly transfer ownership by adding ^ … --- ## [MAX Nightly 26.7.0.dev2026092105 (Mojo 1.2.0.dev2026092105) Released](https://forum.modular.com/t/max-nightly-26-7-0-dev2026092105-mojo-1-2-0-dev2026092105-released/3517)
**Author:** [@Modular](https://forum.modular.com/u/Modular)\ **Replies:** 0\ **Last updated:** [September 21, 2026, 6:45am UTC](https://forum.modular.com/t/max-nightly-26-7-0-dev2026092105-mojo-1-2-0-dev2026092105-released/3517 "2026-09-21T06:45:34Z")
:astronaut: A new nightly version has been released! :astronaut: See the quickstart guide for installation instructions: Quickstart | MAX MAX changelog updates: Fixed a crash serving Gemma 4, Gemma 3 multimodal, Pixt… --- ## ["Go to Definition" works for project files but not stdlib files?](https://forum.modular.com/t/go-to-definition-works-for-project-files-but-not-stdlib-files/3512)
**Author:** [@derickdowney](https://forum.modular.com/u/derickdowney)\ **Replies:** 1\ **Last updated:** [September 20, 2026, 8:55pm UTC](https://forum.modular.com/t/go-to-definition-works-for-project-files-but-not-stdlib-files/3512 "2026-09-20T20:55:59Z")
Hello! I’m using the “mojo-lsp-server” with Neovim 0.12. If I define a struct within my pixi project, then I use that struct in another file and run the :lua vim.lsp.buf.definition() command, it jumps me to the .mojo fil… --- ## [Mojo Pro 2026.1.11 released with Mojo 1.1 support](https://forum.modular.com/t/mojo-pro-2026-1-11-released-with-mojo-1-1-support/3516)
**Author:** [@Bodiam](https://forum.modular.com/u/Bodiam)\ **Replies:** 0\ **Last updated:** [September 20, 2026, 8:00am UTC](https://forum.modular.com/t/mojo-pro-2026-1-11-released-with-mojo-1-1-support/3516 "2026-09-20T08:00:43Z")
Hi all, Mojo Pro 2026.1.11 is now available which adds support for Mojo 1.1 inferred members, generic thin function types with trailing where clauses, new inline and documentation decorators, and current standard-library… --- ## [Why doesn't Mojo have \`let\` (immutable data)? Just wondering](https://forum.modular.com/t/why-doesnt-mojo-have-let-immutable-data-just-wondering/3510)
**Author:** [@BoldCrane38](https://forum.modular.com/u/BoldCrane38)\ **Replies:** 2\ **Last updated:** [September 20, 2026, 6:41am UTC](https://forum.modular.com/t/why-doesnt-mojo-have-let-immutable-data-just-wondering/3510 "2026-09-20T06:41:46Z")
Why doesn’t Mojo have let (immutable data)? Just wondering --- ## [MAX Nightly 26.7.0.dev2026092005 (Mojo 1.2.0.dev2026092005) Released](https://forum.modular.com/t/max-nightly-26-7-0-dev2026092005-mojo-1-2-0-dev2026092005-released/3515)
**Author:** [@Modular](https://forum.modular.com/u/Modular)\ **Replies:** 0\ **Last updated:** [September 20, 2026, 6:39am UTC](https://forum.modular.com/t/max-nightly-26-7-0-dev2026092005-mojo-1-2-0-dev2026092005-released/3515 "2026-09-20T06:39:55Z")
:astronaut: A new nightly version has been released! :astronaut: See the quickstart guide for installation instructions: Quickstart | MAX MAX changelog updates: The functional kernel wrappers in max.experimental.nn.c… --- ## [Tcmalloc error in device that does not has 48 bit virtual address space size](https://forum.modular.com/t/tcmalloc-error-in-device-that-does-not-has-48-bit-virtual-address-space-size/3514)
**Author:** [@Fuji](https://forum.modular.com/u/Fuji)\ **Replies:** 2\ **Last updated:** [September 20, 2026, 3:25am UTC](https://forum.modular.com/t/tcmalloc-error-in-device-that-does-not-has-48-bit-virtual-address-space-size/3514 "2026-09-20T03:25:48Z")
Hello, I get this error in Mojo after fresh install \[dev@localhost ~\]# uv init mojo\_tes Initialized project mojo-tes at /dev/mojo\_tes \[dev@localhost ~\]# cd mojo\_tes \[dev@localhost mojo\_tes\]# uv run python --version U… --- ## [Primary constructor](https://forum.modular.com/t/primary-constructor/3511)
**Author:** [@BoldCrane38](https://forum.modular.com/u/BoldCrane38)\ **Replies:** 1\ **Last updated:** [September 20, 2026, 1:40am UTC](https://forum.modular.com/t/primary-constructor/3511 "2026-09-20T01:40:40Z")
struct St\[T: AnyType\]{ # Declares both fields a and b. var a: T, var b: T } # Use here something like @ or params, idk @( # Doesn't declare a field. It are regular parameter to be used inside the struct block p1: I… --- ## [Why doesn't Mojo have struct pattern (destructuring)? Just wondering](https://forum.modular.com/t/why-doesnt-mojo-have-struct-pattern-destructuring-just-wondering/3509)
**Author:** [@BoldCrane38](https://forum.modular.com/u/BoldCrane38)\ **Replies:** 1\ **Last updated:** [September 20, 2026, 1:38am UTC](https://forum.modular.com/t/why-doesnt-mojo-have-struct-pattern-destructuring-just-wondering/3509 "2026-09-20T01:38:25Z")
Why doesn’t Mojo have struct pattern (destructuring)? Just wondering --- ## [Numax v0.2.0 released with MAX 26.6](https://forum.modular.com/t/numax-v0-2-0-released-with-max-26-6/3508)
**Author:** [@Ehsan](https://forum.modular.com/u/Ehsan)\ **Replies:** 0\ **Last updated:** [September 19, 2026, 5:05pm UTC](https://forum.modular.com/t/numax-v0-2-0-released-with-max-26-6/3508 "2026-09-19T17:05:00Z")
numax: A lot of new features, closing the numpy + scipy APIs parity and improvements landed in v0.2.0, notably: 0. Every routine takes an owned Tensor or a borrowed View of one, so factoring a sub-block costs no copy. f… --- ## [Idea: Unsafe Iterator optimization traits](https://forum.modular.com/t/idea-unsafe-iterator-optimization-traits/3506)
**Author:** [@leb-kuchen](https://forum.modular.com/u/leb-kuchen)\ **Replies:** 1\ **Last updated:** [September 18, 2026, 4:40pm UTC](https://forum.modular.com/t/idea-unsafe-iterator-optimization-traits/3506 "2026-09-18T16:40:19Z")
For reference, rust has TrustedLen. Mojo would arguably have an easier time than rust implementing that, since mojo has conform\_to and reflect. This is one reason why rust iterators are described as zero cost; namely be… --- ## [Per-Package Compile Time Sandboxing](https://forum.modular.com/t/per-package-compile-time-sandboxing/3433)
**Author:** [@akneni](https://forum.modular.com/u/akneni)\ **Replies:** 5\ **Last updated:** [September 18, 2026, 4:16pm UTC](https://forum.modular.com/t/per-package-compile-time-sandboxing/3433 "2026-09-18T16:16:52Z")
Motivation The typical modern application depends on hundreds or thousands of third-party packages, all of which execute with essentially the same authority as the application itself. If a dependency is compromised, mali… --- ## [Modular 26.6 is here](https://forum.modular.com/t/modular-26-6-is-here/3505)
**Author:** [@Modular](https://forum.modular.com/u/Modular)\ **Replies:** 6\ **Last updated:** [September 18, 2026, 3:28pm UTC](https://forum.modular.com/t/modular-26-6-is-here/3505 "2026-09-18T15:28:59Z")
Modular 26.6 is here: Mojo 1.1 opens the compiler to external contributions and adds developer experience improvements, while MAX 26.6 brings audio generation, new model architectures, and faster performance. Read more h… --- ## [Linamo v0.1.0 (linear algebra for Mojo) and Decimo v0.14.0 (now a Python package too)](https://forum.modular.com/t/linamo-v0-1-0-linear-algebra-for-mojo-and-decimo-v0-14-0-now-a-python-package-too/3466)
**Author:** [@forfudan](https://forum.modular.com/u/forfudan)\ **Replies:** 3\ **Last updated:** [September 18, 2026, 3:14pm UTC](https://forum.modular.com/t/linamo-v0-1-0-linear-algebra-for-mojo-and-decimo-v0-14-0-now-a-python-package-too/3466 "2026-09-18T15:14:32Z")
Relevant posts: Decimo: v0.10.0, v0.9.0, v0.8.0, v0.7.0, v0.6.0, v0.2, first release ArgMojo: v0.5.0, first release Mojo Miji: update for Mojo v0.26.1, introduction Hi Mojicians, Mojo v1.0.0 finally landed (Horray… --- ## [Should mojo at some point require a seperate toolchain for nightly features?](https://forum.modular.com/t/should-mojo-at-some-point-require-a-seperate-toolchain-for-nightly-features/3507)
**Author:** [@leb-kuchen](https://forum.modular.com/u/leb-kuchen)\ **Replies:** 0\ **Last updated:** [September 18, 2026, 6:37am UTC](https://forum.modular.com/t/should-mojo-at-some-point-require-a-seperate-toolchain-for-nightly-features/3507 "2026-09-18T06:37:13Z")
I think that is worth considering. The main advantage is, that it allows new nightly features without thinking and thus enables more experimentation. Of course that would come at the cost of complicated packaging. But … --- ## [BDCSVD implementation fully in Mojo](https://forum.modular.com/t/bdcsvd-implementation-fully-in-mojo/3504)
**Author:** [@Doby](https://forum.modular.com/u/Doby)\ **Replies:** 0\ **Last updated:** [September 17, 2026, 5:34pm UTC](https://forum.modular.com/t/bdcsvd-implementation-fully-in-mojo/3504 "2026-09-17T17:34:57Z")
I did a rewrite of Eigen’s BDCSVD - the “A Divide-And-Conquer Algorithm for the Bidiagonal SVD” research report written by Ming Gu and Stanley C.Eisenstat - C++ implementation in Mojo: Mojmelo/mojmelo/utils/SVD at main ·… --- ## [How to bring your awesome mojo code in an existing data pipeline](https://forum.modular.com/t/how-to-bring-your-awesome-mojo-code-in-an-existing-data-pipeline/3502)
**Author:** [@mseritan](https://forum.modular.com/u/mseritan)\ **Replies:** 0\ **Last updated:** [September 17, 2026, 4:36am UTC](https://forum.modular.com/t/how-to-bring-your-awesome-mojo-code-in-an-existing-data-pipeline/3502 "2026-09-17T04:36:42Z")
Here is a possible approach to start bringing some mojo goodness to your existing data pipelines: Comments and criticism appreciated! --- ## [Introduce yourself 👋](https://forum.modular.com/t/introduce-yourself/51)
**Author:** [@Modular](https://forum.modular.com/u/Modular)\ **Replies:** 49\ **Last updated:** [September 16, 2026, 7:15pm UTC](https://forum.modular.com/t/introduce-yourself/51 "2026-09-16T19:15:39Z")
Thanks for stopping by! Let’s get to know each other. Reply to this thread with: Your name What brought you here A random fact about yourself Anything else you’d like to share! --- ## [Project A.E.S.I.R. — Native Mojo AI Inference Engine for running local LLMs](https://forum.modular.com/t/project-a-e-s-i-r-native-mojo-ai-inference-engine-for-running-local-llms/3500)
**Author:** [@VolmarrViking](https://forum.modular.com/u/VolmarrViking)\ **Replies:** 0\ **Last updated:** [September 16, 2026, 5:17pm UTC](https://forum.modular.com/t/project-a-e-s-i-r-native-mojo-ai-inference-engine-for-running-local-llms/3500 "2026-09-16T17:17:36Z")
Project A.E.S.I.R. is an experimental native-Mojo engine for running local AI models directly on your own hardware, and it is evolving from a working low-level inference engine into a practical backend that ordinary AI a… --- ## [Pattern matching + Enum proposals](https://forum.modular.com/t/pattern-matching-enum-proposals/3473)
**Author:** [@owenhilyard](https://forum.modular.com/u/owenhilyard)\ **Replies:** 46\ **Last updated:** [September 16, 2026, 10:53am UTC](https://forum.modular.com/t/pattern-matching-enum-proposals/3473 "2026-09-16T10:53:31Z")
cc @clattner as author [Next page](https://forum.modular.com/latest.md?page=1)