A digest of posts from FPL members and collaborators.

FPL Members

KC Sivaramakrishnan

An O(x)Caml book that runs

I am building a course, “Functional Programming with OCaml”, for the NPTEL MOOC platform: twelve modules of recorded lectures. The course book is not a PDF and not a website with code listings you copy elsewhere. It is a website where the code runs, in your browser, with nothing installed and no server behind it.

Friends

Anil Madhavapeddy

Tessera v1.1 released, with smoother and temporally stable embeddings

Frank Feng and I announced TESSERA v1.1 on behalf of the team earlier this week, and I wanted to follow up here with a more visual explanation of what changed as I got quite a few questions about it!

.plan-26-23: Earth Embeddings, Emails Everywhere, and ERRNOOOs

Got some hacking done this week after the media whirlwind, mostly to get TESSERA 1.1 out of the door and a stabilisation push on GeoTessera 0.9.

Tessera at CVPR 2026, and the front page of the European Space Agency!

It’s continued to be a wild week for TESSERA in the news. Jovana Knezevic is at CVPR2026 in Denver presenting our foundation model paper right now (poster #578 from 11:45am to 1:45pm). We also ended up on the front page of the European Space Agency in the same week.

Self-hosting email the hard way from your own routable IPv4 block up

Fresh from rewilding the web, I updated the Recoil self-hosting infrastructure that Nick Ludlam and I have run since 1997.