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Day10: opam package testing tool

ocurrent/obuilder is the workhorse of OCaml CI testing, but the current deployment causes packages to be built repeatedly because the opam switch is assembled from scratch for each package, leading to common dependencies being frequently recompiled. day10 uses an alternative model whereby switches are assembled from their component packages.

16 Feb 2026

Marc Elvers

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Tessera pipeline in OCaml

The Tessera pipeline is written in Python. What would it take to have an OCaml version?

15 Feb 2026

Marc Elvers

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.plan-26-07: Storage, Lego, Echo, and the IUCN

Growing the Ceph cluster for TESSERA embeddings, a Lego brainstorming session for the Evidence TAP, hosting Echo Labs from ARIA, and Shane's IUCN Red List seminar.

15 Feb 2026

Anil Madhavapeddy's Blog

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Neocaml 0.1: Ready for Action

neocaml 0.1 is finally out! Almost a year after I announced the project, I’m happy to report that it has matured to the point where I feel comfortable calling it ready for action. Even better - neocaml recently landed in MELPA, which means installing it is now as easy as:

14 Feb 2026

Bozhidar Batsov

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The 15-Game

Numberphile’s latest video has been released, and in it Ben Sparks introduces the 15 Game.

11 Feb 2026

Marc Elvers

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Optimizing an MP3 Codec with OCaml/OxCaml

Numberphile’s latest video has been released, and in it Ben Sparks introduces the 15 Game.

11 Feb 2026

Marc Elvers

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Announcing New Wasm_of_ocaml Optimisations

Discover the latest optimisations we have brought to Wasm_of_ocaml in 2025!

11 Feb 2026

Tarides

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Windows Docker Images

In my previous post on the base image builder, I included a footnote that we now had Windows 2025 workers, but I didn’t mention that the base images weren’t building.

09 Feb 2026

Marc Elvers

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Weeknotes for week 6

09 Feb 2026

Jon Ludlam's Blog at recoil.org

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