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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 1,094
  • Closed 1,436
  • All 2,530
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Weight
  • Guards should accept linear variables
    #19193 · opened Jan 08, 2021 by Arnaud Spiwack   LinearTypes feature request
    • 1
    updated Feb 15, 2021
  • Optimisation idea: Hylomorphism inference
    #19198 · opened Jan 09, 2021 by Sebastian Graf   feature request
    • 4
    updated Jan 10, 2021
  • ghci :info should show fixity of operator that is lacking a fixity declaration
    #19200 · opened Jan 11, 2021 by jwaldmann   GHCi feature request
    • CLOSED
    • 7
    • 3
    updated Feb 23, 2021
  • GHCi should automatically enable language extensions found in a module
    #19207 · opened Jan 12, 2021 by Artyom Kazak   GHCi feature request
    • 3
    • 3
    updated Jan 30, 2021
  • Haddocks for pattern synonym fields
    #19212 · opened Jan 13, 2021 by Sebastian Graf   PatternSynonyms feature request haddock
    • 0
    updated Jan 13, 2021
  • Implicitly quantify variables in `:kind' command
    #19217 · opened Jan 14, 2021 by Icelandjack   GHCi feature request newcomer
    • 1
    • 1
    updated Jan 30, 2021
  • Move AST into it's own package
    #19218 · opened Jan 14, 2021 by John Ericson   TTG feature request
    • 1
    • 0
    updated Jan 14, 2021
  • Testrunner: Allocation report should display change even if it is to be accepted
    #19219 · opened Jan 14, 2021 by Sebastian Graf   feature request testsuite
    • 0
    updated Jan 30, 2021
  • Motivation for let/app invariant
    #19223 · opened Jan 15, 2021 by Sebastian Graf   core lint feature request float-out simplifier
    • 6
    updated Feb 12, 2021
  • Publish `bz2` archives for macOS builds on `downloads.haskell.org`
    #19229 · opened Jan 16, 2021 by Martijn Bastiaan   ambiguity check feature request macOS packaging
    • CLOSED
    • 4
    updated Feb 13, 2021
  • Cheapness Worker/Wrapper to support eta expansion
    #19230 · opened Jan 18, 2021 by Sebastian Graf   Arity and eta expansion feature request
    • 4
    updated Jan 30, 2021
  • Support GHC2021
    #19234 · opened Jan 18, 2021 by Joachim Breitner   9.2.1   feature request
    • 2
    • 1
    • 22
    updated Feb 16, 2021
  • Recursive type families optimisation
    #19238 · opened Jan 19, 2021 by Sylvain Henry   TypeFamilies compiler perf feature request
    • 1
    updated Feb 15, 2021
  • GHCi :doc command should render haddocks
    #19254 · opened Jan 25, 2021 by Aaron Allen   GHCi feature request haddock
    • 5
    • 8
    updated Feb 06, 2021
  • Enumerate potential cases in an EmptyCase error message
    #19271 · opened Jan 28, 2021 by parsonsmatt   Pnormal feature request pattern match warnings
    • 0
    updated Jan 29, 2021
  • Implementing Passive Live Range Splitting in fregs-graph
    #19274 · opened Jan 29, 2021 by Benjamin Maurer   NCG backend Pnormal code generation feature request
    • 4
    updated Feb 08, 2021
  • Disabling worker/wrapper transformation per function
    #19276 · opened Jan 29, 2021 by Sylvain Henry   Pnormal feature request simplifier
    • 7
    updated Feb 16, 2021
  • Sections for associative operators: Parse `(x ++ y ++)` as `(\ z -> x ++ y ++ z)`
    #19281 · opened Jan 30, 2021 by Andreas Abel   feature request parser
    • 1
    • 1
    updated Feb 16, 2021
  • TH: quote both an imported name and its computed value
    #19301 · opened Feb 02, 2021 by Sylvain Henry   TemplateHaskell feature request
    • CLOSED
    • 1
    updated Feb 15, 2021
  • Validate should download tarballs by default on windows.
    #19307 · opened Feb 03, 2021 by Andreas Klebinger   feature request
    • CLOSED
    • 2
    • 1
    updated Feb 06, 2021
  • Rewrite rules on functions on unboxed values are not supported
    #19313 · opened Feb 03, 2021 by Richard Eisenberg   feature request rules
    • 1
    • 7
    updated Feb 16, 2021
  • Missing warning for a run-time pattern match failure
    #19327 · opened Feb 05, 2021 by Hai / @BestYeen   Pnormal error messages feature request pattern match warnings
    • 1
    • 1
    updated Feb 21, 2021
  • Allow `case` in LHS of RULE
    #19351 · opened Feb 11, 2021 by Sebastian Graf   feature request rules
    • 5
    updated Feb 16, 2021
  • Operator sections and rebindable syntax
    #19354 · opened Feb 12, 2021 by Simon Peyton Jones   Pnormal RebindableSyntax feature request
    • 0
    updated Feb 21, 2021
  • Improve fragmentation diagnostics   0 of 3 tasks completed
    #19357 · opened Feb 12, 2021 by Ben Gamari   RTS feature request runtime perf
    • 1
    • 1
    updated Feb 15, 2021
  • Template Haskell doesn't support Haskell 2010 default declarations
    #19373 · opened Feb 14, 2021 by Mario   TemplateHaskell feature request
    • 2
    updated Feb 16, 2021
  • Provide user more control about how much memory the RTS retains   0 of 3 tasks completed
    #19381 · opened Feb 15, 2021 by Matthew Pickering   RTS feature request runtime perf
    • 0
    updated Feb 22, 2021
  • Provide a `tryToGetQSem`
    #19383 · opened Feb 15, 2021 by Gauthier S.   concurrency core libraries feature request
    • 1
    • 7
    updated Feb 21, 2021
  • Surprising lack of generalisation using MonoLocalBinds
    #19396 · opened Feb 17, 2021 by Tom Ellis   feature request typechecker
    • 7
    updated Feb 25, 2021
  • GNU make job server-alike for GHC --make
    #19416 · opened Feb 22, 2021 by Adam Sandberg Eriksson   compiler perf feature request
    • 2
    • 11
    updated Feb 25, 2021
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