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Setting up Emacs for OCaml Development: Neocaml Edition

A few years ago I wrote about setting up Emacs for OCaml development. Back then the recommended stack was tuareg-mode + merlin-mode, with Merlin providing the bulk of the IDE experience. A lot has changed since then – the OCaml tooling has evolved considerably, and I’ve been working on some new tools myself. Time for an update.

24 Feb 2026

Bozhidar Batsov

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A Decade of Docker Containers on the CACM cover!

Our CACM cover article reflects on a decade of Docker, from the early days of hacking Docker for Mac on a French farm to today's AI-driven sandboxing, covering the technical origins, cross-platform challenges, and the vibrant open-source community that made it all possible.

24 Feb 2026

Anil Madhavapeddy's Blog

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.plan-26-08: At AI summit, Shriram's PL opinions, Zarr hacking

TESSERA paper accepted at CVPR 2026, went to the AI Impact Summit, OCaml Zarr hacking, Shriram's talk on human factors of formal methods, and discussions on teaching OxCaml to agents.

22 Feb 2026

Anil Madhavapeddy's Blog

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At the AI Impact Summit in Delhi: people, planet, progress

Trip report from the Indian AI Impact Summit in New Delhi, covering the massive expo, a conversation with Yann LeCun, a hackathon/talk at IIT-Delhi, networking at the British High Commission, and reflections on the summit declaration's shift from safety to progress and equitable access.

21 Feb 2026

Anil Madhavapeddy's Blog

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OBuilder on Windows: Bringing Native Container Builds with the HCS Backend

Following from my containerd posts last year and my previous work on obuilder backends for macOS and QEMU, this post extends obuilder to use the Host Compute System (HCS) and containerd on Windows.

19 Feb 2026

Marc Elvers

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1st TESSERA/CoRE hackathon at the Indian AI Summit

First TESSERA hackathon held at the Indian AI Impact Summit in Delhi, exploring integration with IIT-Delhi's CoRE Stack for geospatial analysis and testing TESSERA labeling workflows.

19 Feb 2026

Anil Madhavapeddy's Blog

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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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