Coldwast wrote
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 What sandboxes were, and the nix-style cabal build workflow that superseded them.
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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.
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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.
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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.
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GHC, Cabal, Stack and HLS in one clean setup with GHCup.
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Sandboxes, nix-style v2-builds and what actually changed.
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Use every core safely with -j and build semaphores.
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