{3} Feature requests by priority (519 matches)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#4426 Simplify the rules for implicit quantification Compiler 6.12.3 highest 7.12.1 new Oct 22, 2010
#4879 Deprecate exports Compiler 7.0.1 high 7.12.1 new Jan 5, 2011
#8299 Add richer data model address arithmetic: AddrDiff and AddrInt (ie d Int_ptr_diff and Int_ptr_size) Compiler 7.6.3 high 7.12.1 new Sep 14, 2013
#8364 equip GHC with an accurate internal model of floating point Compiler 7.6.3 high 7.12.1 new Sep 26, 2013
#2595 Implement record update for existential and GADT data types Compiler 6.8.3 normal normal new Sep 15, 2008
#6077 Respect XDG_CONFIG_HOME None 7.4.1 normal new May 4, 2012
#7860 Add more bit fiddling functions to 'integer-gmp' Core Libraries 7.6.3 normal new Apr 23, 2013
#7952 Can cost-centre annotations be included in -ddump-simpl? Compiler 7.6.3 normal new May 29, 2013
#7961 Remove restrictions on promoting GADT's Compiler 7.6.3 normal new Jun 5, 2013
#8043 Feature Request : Qualified module exports Compiler 7.7 normal new Jul 8, 2013
#8045 Move I/O manager benchmarks into the GHC tree NoFib benchmark suite 7.6.3 normal new Jul 8, 2013
#8046 Make the timer management scale better across multicore Compiler 7.6.3 normal new Jul 8, 2013
#8061 Support for Complex Double in Foreign Function Interface Compiler 7.6.3 normal new Jul 15, 2013
#8064 Warning out when "undefined" value has been used. Compiler 7.6.3 normal new Jul 16, 2013
#8086 Minimal install for GHC Compiler 7.6.3 normal new Jul 23, 2013
#8099 Alternate syntax for indicating when a function is "fully applied" for purposes of inlining Compiler 7.6.3 normal new Jul 27, 2013
#8150 Foreign export requires redundant type signature Compiler 7.6.3 normal new Aug 21, 2013
#8171 Extending ExtendedDefaultRules Compiler 7.6.3 normal new Aug 24, 2013
#8220 Macros / functions for source location Compiler 7.6.3 normal new Sep 3, 2013
#8263 allow duplicate deriving / standalone deriving Compiler 7.6.3 normal new Sep 10, 2013
#8300 split-objs doesn't split on LLVM Compiler (LLVM) 7.7 normal new Sep 14, 2013
#8311 suboptimal code generated for even :: Int -> Bool by NCG (x86, x86_64) Compiler (NCG) 7.7 normal new Sep 16, 2013
#8325 Pattern guards in anonymous functions Compiler 7.6.3 normal new Sep 18, 2013
#8372 enable -dcmm-lint by default for .cmm input files Compiler 7.7 normal new Sep 27, 2013
#8404 Default to turning on architecture specific optimizations in the codegen Compiler (NCG) 7.6.3 normal new Oct 3, 2013
#8881 No way to unsubscribe a bug Trac & Git normal new Mar 13, 2014
#9143 feature request: way to set actual program argv Runtime System 7.8.2 normal new May 25, 2014
#9700 Support C structures in Haskell FFI Compiler 7.8.3 normal new Oct 16, 2014
#10035 Harbormaster doesn't post to Differential on success Trac & Git normal new Jan 27, 2015
#9381 Implement -rdynamic Compiler normal 7.10.1 new Jul 30, 2014
#849 Offer control over branch prediction Compiler 6.4.2 normal normal 7.12.1 new Aug 8, 2006
#1965 Allow unconstrained existential contexts in newtypes Compiler 6.8.1 normal minor 7.12.1 new Dec 8, 2007
#2168 ghci should show haddock comments for identifier GHCi 6.8.2 normal normal 7.12.1 new Mar 22, 2008
#3085 warn about language extensions that are not used Compiler 6.10.1 normal normal 7.12.1 new Mar 11, 2009
#3217 Make GHCi have separate flags for interactive Haskell expressions Compiler 6.10.2 normal normal 7.12.1 new May 11, 2009
#3984 Handle multiline input in GHCi history GHCi 6.12.1 normal 7.12.1 new Apr 13, 2010
#4259 Relax restrictions on type family instance overlap Compiler (Type checker) 6.12.1 normal 7.12.1 new Aug 16, 2010
#4470 Loop optimization: identical counters Compiler normal 7.12.1 new Nov 4, 2010
#4900 Consider usage files in the GHCi recompilation check Compiler normal 7.12.1 new Jan 18, 2011
#4937 Remove indirections caused by sum types, such as Maybe Compiler 7.0.1 normal 7.12.1 new Jan 31, 2011
#5108 Allow unicode sub/superscript symbols in both identifiers and operators Compiler (Parser) 7.1 normal 7.12.1 infoneeded Apr 12, 2011
#5392 Warnings about impossible MPTCs would be nice Compiler 7.0.4 normal 7.12.1 new Aug 8, 2011
#5467 Template Haskell: support for Haddock comments Template Haskell 7.2.1 normal 7.12.1 new Sep 7, 2011
#5556 Support pin-changing on ByteArray#s Compiler 7.2.1 normal 7.12.1 new Oct 13, 2011
#5619 Shorter qualified import statements Compiler 7.2.1 normal 7.12.1 new Nov 9, 2011
#5813 Offer a compiler warning for failable pattern matches Compiler 7.2.2 normal 7.12.1 new Jan 24, 2012
#5823 FFI and CAPI needs {-# INCLUDE #-} back? Compiler 7.5 normal 7.12.1 new Jan 28, 2012
#5834 Allow both INLINE and INLINABLE for the same function Compiler 7.5 normal 7.12.1 new Jan 30, 2012
#5835 Make better use of known dictionaries Compiler 7.5 normal 7.12.1 new Jan 30, 2012
#5910 Holes with other constraints Compiler (Type checker) 7.5 normal 7.12.1 new Mar 2, 2012
#5927 A type-level "implies" constraint on Constraints Compiler (Type checker) 7.4.1 normal 7.12.1 new Mar 11, 2012
#5941 Add compilation stage plugins Compiler 7.4.1 normal 7.12.1 infoneeded Mar 15, 2012
#5985 Type operators are not accepted as variables in contexts Compiler 7.5 normal 7.12.1 new Apr 2, 2012
#6024 Allow defining kinds alone, without a datatype Compiler (Type checker) 7.5 normal 7.12.1 infoneeded Apr 19, 2012
#7048 Add the ability to statically define a `FunPtr` to a haskell function Compiler 7.4.2 normal 7.12.1 new Jul 4, 2012
#7081 arrow analogs of lambda case and multi-way if Compiler 7.5 normal 7.12.1 new Jul 16, 2012
#7140 Allow type signature in export list Compiler (Type checker) normal 7.12.1 new Aug 13, 2012
#7158 GHCi commands case insensitive GHCi 7.6.1-rc1 normal 7.12.1 new Aug 17, 2012
#7169 Warning for incomplete record field label used as function Compiler 7.7 normal 7.12.1 new Aug 20, 2012
#7181 Add documentation on heap-profile file format. Documentation 7.4.2 normal 7.12.1 new Aug 23, 2012
#7204 Use a class to control FFI marshalling Compiler 7.4.2 normal 7.12.1 new Aug 31, 2012
#7253 Top-level bindings in ghci GHCi 7.6.1 normal 7.12.1 new Sep 19, 2012
#7275 Give more detailed information about PINNED data in a heap profile Compiler 7.6.1 normal 7.12.1 new Sep 28, 2012
#7283 Specialise INLINE functions Compiler 7.7 normal 7.12.1 new Sep 30, 2012
#7300 Allow CAFs kept reachable by FFI to be forcibly made unreachable for GC Compiler (FFI) 7.4.1 normal 7.12.1 new Oct 5, 2012
#7331 Allow the evaluation of declaration splices in GHCi GHCi 7.6.1 normal 7.12.1 new Oct 15, 2012
#7335 Need for extra warning pragma for accidental pattern matching in do blocks Compiler 7.6.1 normal 7.12.1 new Oct 16, 2012
#7337 GHC does not generate great code for bit-level rotation Compiler (NCG) 7.6.1 normal 7.12.1 new Oct 16, 2012
#7395 DefaultSignatures conflict with default implementations Compiler 7.6.1 normal 7.12.1 new Nov 5, 2012
#7413 runghc (runhaskell) should be able to reload code on editing Compiler 7.6.1 normal 7.12.1 new Nov 13, 2012
#7414 plugins always trigger recompilation Compiler 7.6.1 normal 7.12.1 new Nov 14, 2012
#7494 Allow compatible type synonyms to be the return type of a GADT data constructor. Compiler (Type checker) 7.4.1 normal 7.12.1 new Dec 10, 2012
#7635 SafeHaskell implying other options Compiler 7.6.1 normal 7.12.1 new Jan 28, 2013
#7637 split-objs not supported for ARM Compiler 7.7 normal 7.12.1 new Jan 29, 2013
#7647 UNPACK polymorphic fields Compiler 7.6.1 normal 7.12.1 new Feb 1, 2013
#7741 Add SIMD support to x86/x86_64 NCG Compiler (NCG) 7.7 normal 7.12.1 new Mar 5, 2013
#7808 data families and TH names do not mix well (e.g. cannot use TH deriving) Template Haskell 7.6.2 normal 7.12.1 new Apr 3, 2013
#8010 Add forkOSUnmasked (patch) Core Libraries 7.7 normal 7.12.1 infoneeded Jun 22, 2013
#8252 prefetch# isn't as general as it should be (currently the general version isn't type safe) Compiler 7.7 normal 7.12.1 new Sep 7, 2013
#8288 add idris style EDSL support for deep embedding lambdas Compiler 7.6.3 normal 7.12.1 new Sep 13, 2013
#8398 reify module list in TH Template Haskell 7.7 normal 7.12.1 new Oct 2, 2013
#8581 Add support for explicitly-bidirectional pattern synonyms Compiler normal 7.12.1 new Dec 1, 2013
#8751 Show parenthesised output of expressions in ghci GHCi 7.6.3 normal 7.12.1 infoneeded Feb 8, 2014
#393 functions without implementations Compiler (Type checker) None normal normal new May 26, 2005
#436 Declare large amounts of constant data Compiler None normal minor new Aug 11, 2005
#472 Supertyping of classes Compiler (Type checker) None normal minor new Oct 20, 2005
#728 switch to compacting collection when swapping occurs Runtime System 6.4.1 normal major new Mar 16, 2006
#750 Set -M, -H, -c and other memory-related values based on available virtual/physical memory Runtime System 6.4.1 normal normal new Apr 19, 2006
#881 Improve space profiling for references Profiling 6.4.2 normal normal new Aug 31, 2006
#1262 RecursiveDo in Template Haskell Template Haskell 6.6 normal normal new Apr 3, 2007
#1273 would like to print partial application values when at a breakpoint GHCi 6.7 normal normal new Apr 12, 2007
#1318 add warning for prefix negate operator and flag to replace it with negative numeric literals Compiler (Parser) 6.6.1 normal normal new May 1, 2007
#1399 better support for developing threaded applications in ghci GHCi 6.6.1 normal normal new May 31, 2007
#1404 allow more type signatures Compiler (Type checker) 6.6.1 normal normal new Jun 1, 2007
#1409 Allow recursively dependent modules transparently (without .hs-boot or anything) Compiler 6.10.2 normal normal new Jun 4, 2007
#1444 Template Haskell: add proper support for qualified names in non-splicing applications Template Haskell 6.6.1 normal normal new Jun 21, 2007
#1451 Provide way to show the origin of a constraint Compiler (Type checker) 6.6.1 normal normal new Jun 22, 2007
#1475 Adding imports and exports with Template Haskell Template Haskell 6.8.2 normal normal new Jul 1, 2007
#1477 ghci shouldn't link entire package GHCi 6.6.1 normal normal new Jul 1, 2007
#1532 Implicit parameters are not available in breakpoints GHCi 6.7 normal normal new Jul 13, 2007
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