2026 Haskell Ecosystem Workshop
as the organisers put it
We are excited to announce the 2026 Haskell Ecosystem Workshop, June 4 2026, organized by the Haskell Foundation and the OST Eastern Switzerland University of Applied Sciences! This is a workshop for those who want to gain a deeper understanding of using Haskell in large systems.
who it's for
haskell backend engineers, haskell library maintainers, build and release engineers, platform engineers, devops engineers, package index maintainers, community contributors
topics
GHC build stats plugin; splitting interface and implementation; 8 physical cores per GHC job; binary search to isolate hot definitions; Servant named routes; persistent TCP streaming; OpenTelemetry tracing for APIs; Flora meta index (Hackage+Cardano); Stackage LTS and nightly snapshots; containerized agent CI for LLM-written code
| title | author | length |
|---|---|---|
| Optimising for fast builds with GHC | Teo Camarasu | 01h 02m |
Shows a workflow and tools to cut Haskell compile time: use the GHC build stats plugin to list slow modules and emit traces, find the package or module… | ||
| Servant at Bitnomial - Expanding type-safety from applications to systems | Laurent René de Cotret | 56m |
Bitnomial runs Servant across ~40 services (160k LOC, 3k modules) and claims production readiness, serving millions of requests per day. APIs split into… | ||
| Why you should want to contribute to the Haskell Ecosystem | Andreas Klebinger | 38m |
Contributions that connect to the ecosystem matter: a one-weekend implementation of late cost‑centre profiling then takes weeks of fixes and outreach and… | ||
| Flora | Théophile Choutri de Tarlé | 49m |
Flora started in late 2021 as a meta index that merges Hackage with Cardano and Mlabs packages, surfacing real signals (example: a package with 20 reverse… | ||
| 50,000 Lines of LLM Haskell: What Broke, What Held, and Letting Go | Jappie Klooster | 01h 07m |
Claims that 50,000 lines by Claude produced a mostly working Haskell codebase, including a smartwatch app running Beam and Serpent, and several libraries: a… | ||
| Stackage: a community Haskell source package distribution | Jens Petersen | 01h 00m |
Stackage publishes daily nightly and versioned LTS snapshots that are build-tested on a single Linux build server, currently containing about 3,000 packages. A… | ||
| nothing matches | ||