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Changelog

effekt

A language with lexical effect handlers and lightweight effect polymorphism

45342ScalaMIT

algebraic-effectscontrol-flowdelimited-continuationeffect-handlerseffect-systemseffects+7

Last updated 3 days ago

NewJanuary 19, 2026

Release v0.59.0

Add chez-cps benchmark config by @marvinborner in https://github.com/effekt-lang/effekt/pull/1269
Add build.mill setup by @timsueberkrueb in https://github.com/effekt-lang/effekt/pull/1278
Partial functions in standard library by @phischu in https://github.com/effekt-lang/effekt/pull/1243
Unbox local state in mutable references by @phischu in https://github.com/effekt-lang/effekt/pull/1288

Full Changelog: https://github.com/effekt-lang/effekt/compare/v0.58.0...v0.59.0

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