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.

Day10 TUI Results Tool

A while back, I wrote mtelvers/day10-tui, which displayed custom mtelvers/day10 log files held in Apache Parquet format.

02 Apr 2026

Marc Elvers

Read Article
CI for opam overlay repositories with day10 and GitHub merge queue

This post describes how to set up a CI for an opam overlay repository using day10 on a self-hosted GitHub Actions runner, with GitHub’s merge queue to gate PRs on build regressions.

02 Apr 2026

Marc Elvers

Read Article
A CSS Engine in OCaml

A typed CSS parser covering Level 3 through 5, a structural diff tool, and an optimiser. With a live browser demo via js_of_ocaml.

02 Apr 2026

Thomas Gazagnaire

Read Article
From Scaleway to Cambridge

Over the past few days, I migrated several OCaml CI services from Scaleway to Cambridge, consolidating them onto fewer machines with fewer services.

01 Apr 2026

Marc Elvers

Read Article
Describing Binary Formats in OCaml

EverParse generates verified C parsers for Microsoft. I wrote an OCaml front-end to use it for satellite protocols.

31 Mar 2026

Thomas Gazagnaire

Read Article
Weeknotes 2026 week 13

31 Mar 2026

Jon Ludlam's Blog at recoil.org

Read Article
.plan-26-13: Oxidised, standardised, and syndicated

Publishing the OxCaml Labs year-one review, POSSE and AI content disclosure for the web, adopting the geo-embeddings Zarr convention for TESSERA, action PROPL at PLDI, the death of the grant application, and NASA's new swathe lidar mission.

29 Mar 2026

Anil Madhavapeddy's Blog

Read Article
TESSERA now supports the Zarr geo-embeddings convention proposal

Community feedback reshaped our Zarr store layout — years became a dimension, shards got bigger, and we retired the TESSERA-specific convention in favour of a shared geo-embeddings standard that also covers other models.

27 Mar 2026

Anil Madhavapeddy's Blog

Read Article