Jun 13, 2026 in Haskell, Cabal, Build tooling — The per-project isolation idea that won so completely it became invisible. What sandboxes were, and the nix-style cabal build workflow that superseded them.
Jun 14, 2026 in Haskell, Toolchain — GHCup is the recommended way to install GHC, Cabal, Stack and HLS in 2026 — clean install, version switching, and the common pitfalls that trip newcomers.
Jun 13, 2026 in Haskell, Build tooling — Nix-style builds, Backpack, the caret operator and a better solver — what 2.0 introduced and where each feature stands in the 2026 toolchain.
Jun 13, 2026 in Haskell, Performance — Why a build is a dependency graph, how -j builds use your cores, and the modern job-semaphore fix for oversubscription on wide dependency trees.