Blog

The OCaml Planet RSS

Articles and videos contributed by both experts, companies and passionate developers from the OCaml community. From in-depth technical articles, project highlights, community news, or insights into Open Source projects, the OCaml Planet RSS feed aggregator has something for everyone.

Want your Blog Posts or Videos to Show Here?

To contribute a blog post, or add your RSS feed, check out the Contributing Guide on GitHub.

opam-repository for OxCaml

This morning, Anil proposed that having an opam-repository that didn’t have old versions of the packages that require patches to work with OxCaml would be good.

12 Jun 2025

Marc Elvers

Read Article
Base images for OxCaml

As @dra27 suggested, I first added support in ocurrent/ocaml-version. I went with the name flambda2, which matched the name in the opam package.

10 Jun 2025

Marc Elvers

Read Article
User Isolation on Windows

For a long time, we have struggled to match the performance and functionality of runc on Windows. Antonin wrote the Docker-based isolation for ocurrent/obuilder with PR#127, and I wrote machine-level isolation using QEMU PR#195. Sadly, the most obvious approach of using runhcs doesn’t work, see issue#2156.

09 Jun 2025

Marc Elvers

Read Article
Getting Started with OCaml

A beginner's guide to functional programming with OCaml

08 Jun 2025

Chukwuma Akunyili

Read Article
Animating 3D models in OCaml with Claude

In the week, Jon mentioned UTM, which uses Apple’s Hypervisor virtualisation framework to run ARM64 operating systems on Apple Silicon. It looked awesome, and the speed of virtualised macOS was fantastic. It also offers x86_64 emulation; we mused how well it would perform running Windows, but found it disappointing.

07 Jun 2025

Marc Elvers

Read Article
Day 1: Setting Up the Memoir Project

First entry detailing the setup of my OCaml static site generator

07 Jun 2025

Chukwuma Akunyili

Read Article
Opam Health Check: or How we Got to 90+% of Packages Building with Dune Package Management

A follow-up to the previous blog post about Dune package management, highlighting more bug fixes and summarising the project

05 Jun 2025

Tarides

Read Article