March 2026 monthly summary for haskell-language-server focusing on delivered features, fixed bugs, and overall impact with business value and technical achievements.

August 2025 — Key features delivered: CoreFile data type refactor to a fat interface core type (removing TopIfaceBinding; updating codeGutsToCoreFile mapping) in input-output-hk/haskell-language-server; and test infrastructure improvements in ghcide-test (removing cradle setup, replacing testWithDummyPlugin with testWithDummyPluginEmpty, and switching to atomicFileWrite for safer test IO). No major bugs fixed this month. Overall impact: improved modularity and maintainability of core bindings, increased test reliability and CI stability, enabling faster iteration. Technologies demonstrated: Haskell, GHC API usage in core binding refactors, ghcide-test testing patterns, atomic IO operations, and test scaffolding enhancements.

June 2025 monthly summary for repository input-output-hk/haskell-language-server. Focused on delivering performance and correctness improvements through incremental build optimizations, data format compatibility, and robust symbol resolution. Key work spanned three items: partial fingerprinting for ModuleGraph to improve incremental compilation; HieDB data version upgrade to v2; and a bug fix narrowing reference lookup for record fields in HieAst, accompanied by tests.