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On the base image builder, we have recently seen a significant increase in the number of times we hit the Docker rate limits on manifest pushes. Most of these work on the second attempt, but this week, a new class of permanent manifest push failures has emerged.

After deploying the QEMU RISC-V machines, the base image builder ran into issues on the first Docker build.

Our 2025 ICFP paper was named Publication of the Year by the Cambridge Ring. The story behind how OCaml unikernels ended up running the networking stack inside Docker Desktop.

mtelvers/day10 can now export build results as multi-layer OCI images, where each opam package becomes its own layer.

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

Got TESSERA working in Zarr and the browser, and a preprint of package management a la carte pushed out

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.

We are increasingly hitting the Docker Hub rate limits when pushing the Docker base images. This issue was previously identified in issue #267. However, this is now becoming critical as many more jobs are failing.