haskell · mergify · Jun 21, 2026 · Jun 24, 2026 · Jun 24, 2026 · Jun 23, 2026
diff --git a/.github/mergify.yml b/.github/mergify.yml
@@ -197,6 +197,7 @@ pull_request_rules:
 
 merge_queue:
   max_parallel_checks: 2
+  queue_controls_comment: false
 
 queue_rules:
   # Mergify now requires different queues for different strategies

diff --git a/Cabal-hooks/Cabal-hooks.cabal b/Cabal-hooks/Cabal-hooks.cabal
@@ -1,68 +1,68 @@
-cabal-version: 3.6
-name:          Cabal-hooks
-version:       3.17
-copyright:     2025, Cabal Development Team
-license:       BSD-3-Clause
-license-file:  LICENSE
-author:        Cabal Development Team <cabal-devel@haskell.org>
-maintainer:    cabal-devel@haskell.org
-homepage:      http://www.haskell.org/cabal/
-bug-reports:   https://github.com/haskell/cabal/issues
-synopsis:      API for the Hooks build-type
-description:
-  User-facing API for the Hooks build-type.
-category:       Distribution
-build-type:     Simple
-
-extra-doc-files:
-  README.md CHANGELOG.md
-
-source-repository head
-  type:     git
-  location: https://github.com/haskell/cabal/
-  subdir:   Cabal-hooks
-
-library
-  default-language: Haskell2010
-  hs-source-dirs: src
-
-  build-depends:
-    , Cabal-syntax    >= 3.17      && < 3.18
-    , Cabal           >= 3.17      && < 3.18
-    , base            >= 4.17      && < 5
-    , containers      >= 0.5.0.0   && < 0.9
-    , transformers    >= 0.5.6.0   && < 0.7
-
-  ghc-options: -Wall -fno-ignore-asserts -Wtabs -Wincomplete-uni-patterns -Wincomplete-record-updates
-
-  exposed-modules:
-    Distribution.Simple.SetupHooks
-
-  other-extensions:
-    BangPatterns
-    CPP
-    DefaultSignatures
-    DeriveDataTypeable
-    DeriveFoldable
-    DeriveFunctor
-    DeriveGeneric
-    DeriveTraversable
-    ExistentialQuantification
-    FlexibleContexts
-    FlexibleInstances
-    GeneralizedNewtypeDeriving
-    ImplicitParams
-    KindSignatures
-    LambdaCase
-    NondecreasingIndentation
-    OverloadedStrings
-    PatternSynonyms
-    RankNTypes
-    RecordWildCards
-    ScopedTypeVariables
-    StandaloneDeriving
-    Trustworthy
-    TypeFamilies
-    TypeOperators
-    TypeSynonymInstances
-    UndecidableInstances
+cabal-version: 3.6
+name:          Cabal-hooks
+version:       3.17
+copyright:     2003-2026, Cabal Development Team
+license:       BSD-3-Clause
+license-file:  LICENSE
+author:        Cabal Development Team <cabal-devel@haskell.org>
+maintainer:    cabal-devel@haskell.org
+homepage:      http://www.haskell.org/cabal/
+bug-reports:   https://github.com/haskell/cabal/issues
+synopsis:      API for the Hooks build-type
+description:
+  User-facing API for the Hooks build-type.
+category:       Distribution
+build-type:     Simple
+
+extra-doc-files:
+  README.md CHANGELOG.md
+
+source-repository head
+  type:     git
+  location: https://github.com/haskell/cabal/
+  subdir:   Cabal-hooks
+
+library
+  default-language: Haskell2010
+  hs-source-dirs: src
+
+  build-depends:
+    , Cabal-syntax    >= 3.17      && < 3.18
+    , Cabal           >= 3.17      && < 3.18
+    , base            >= 4.17      && < 5
+    , containers      >= 0.5.0.0   && < 0.9
+    , transformers    >= 0.5.6.0   && < 0.7
+
+  ghc-options: -Wall -fno-ignore-asserts -Wtabs -Wincomplete-uni-patterns -Wincomplete-record-updates
+
+  exposed-modules:
+    Distribution.Simple.SetupHooks
+
+  other-extensions:
+    BangPatterns
+    CPP
+    DefaultSignatures
+    DeriveDataTypeable
+    DeriveFoldable
+    DeriveFunctor
+    DeriveGeneric
+    DeriveTraversable
+    ExistentialQuantification
+    FlexibleContexts
+    FlexibleInstances
+    GeneralizedNewtypeDeriving
+    ImplicitParams
+    KindSignatures
+    LambdaCase
+    NondecreasingIndentation
+    OverloadedStrings
+    PatternSynonyms
+    RankNTypes
+    RecordWildCards
+    ScopedTypeVariables
+    StandaloneDeriving
+    Trustworthy
+    TypeFamilies
+    TypeOperators
+    TypeSynonymInstances
+    UndecidableInstances
diff --git a/Cabal-hooks/LICENSE b/Cabal-hooks/LICENSE
@@ -1,34 +1,34 @@
-Copyright (c) 2003-2025, Cabal Development Team.
-See the AUTHORS file for the full list of copyright holders.
-
-See */LICENSE for the copyright holders of the subcomponents.
-
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-
-    * Redistributions in binary form must reproduce the above
-      copyright notice, this list of conditions and the following
-      disclaimer in the documentation and/or other materials provided
-      with the distribution.
-
-    * Neither the name of Isaac Jones nor the names of other
-      contributors may be used to endorse or promote products derived
-      from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+Copyright (c) 2003-2026, Cabal Development Team.
+See the AUTHORS file for the full list of copyright holders.
+
+See */LICENSE for the copyright holders of the subcomponents.
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Isaac Jones nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Cabal-syntax/Cabal-syntax.cabal b/Cabal-syntax/Cabal-syntax.cabal
@@ -1,7 +1,7 @@
 cabal-version: 3.6
 name:          Cabal-syntax
 version:       3.17.0.0
-copyright:     2003-2025, Cabal Development Team (see AUTHORS file)
+copyright:     2003-2026, Cabal Development Team (see AUTHORS file)
 license:       BSD-3-Clause
 license-file:  LICENSE
 author:        Cabal Development Team <cabal-devel@haskell.org>

diff --git a/Cabal-syntax/LICENSE b/Cabal-syntax/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2025, Cabal Development Team.
+Copyright (c) 2003-2026, Cabal Development Team.
 See the AUTHORS file for the full list of copyright holders.
 
 See */LICENSE for the copyright holders of the subcomponents.

diff --git a/Cabal-syntax/src/Distribution/Fields/LexerMonad.hs b/Cabal-syntax/src/Distribution/Fields/LexerMonad.hs
@@ -55,7 +55,6 @@ instance Applicative Lex where
   (<*>) = ap
 
 instance Monad Lex where
-  return = pure
   (>>=) = thenLex
 
 data LexResult a = LexResult {-# UNPACK #-} !LexState a

diff --git a/Cabal-syntax/src/Distribution/Fields/ParseResult.hs b/Cabal-syntax/src/Distribution/Fields/ParseResult.hs
@@ -128,7 +128,6 @@ instance Applicative (ParseResult src) where
   {-# INLINE (<*) #-}
 
 instance Monad (ParseResult src) where
-  return = pure
   (>>) = (*>)
 
   m >>= k = PR $ \ !s fp failure success ->

diff --git a/Cabal-syntax/src/Distribution/Parsec.hs b/Cabal-syntax/src/Distribution/Parsec.hs
@@ -145,8 +145,6 @@ instance Alternative ParsecParser where
   {-# INLINE some #-}
 
 instance Monad ParsecParser where
-  return = pure
-
   m >>= k = PP $ \v -> unPP m v >>= \x -> unPP (k x) v
   {-# INLINE (>>=) #-}
   (>>) = (*>)

diff --git a/Cabal-syntax/src/Distribution/Types/Condition.hs b/Cabal-syntax/src/Distribution/Types/Condition.hs
@@ -73,8 +73,6 @@ instance Applicative Condition where
   (<*>) = ap
 
 instance Monad Condition where
-  return = pure
-
   -- Terminating cases
   (>>=) (Lit x) _ = Lit x
   (>>=) (Var x) f = f x

diff --git a/Cabal-tests/Cabal-tests.cabal b/Cabal-tests/Cabal-tests.cabal
@@ -1,7 +1,7 @@
 cabal-version: 2.2
 name:          Cabal-tests
 version:       3
-copyright:     2003-2025, Cabal Development Team (see AUTHORS file)
+copyright:     2003-2026, Cabal Development Team (see AUTHORS file)
 license:       BSD-3-Clause
 license-file:  LICENSE
 author:        Cabal Development Team <cabal-devel@haskell.org>

diff --git a/Cabal-tests/LICENSE b/Cabal-tests/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2025, Cabal Development Team.
+Copyright (c) 2003-2026, Cabal Development Team.
 See the AUTHORS file for the full list of copyright holders.
 
 See */LICENSE for the copyright holders of the subcomponents.

diff --git a/Cabal/Cabal.cabal b/Cabal/Cabal.cabal
@@ -1,7 +1,7 @@
 cabal-version: 3.8
 name:          Cabal
 version:       3.17.0.0
-copyright:     2003-2025, Cabal Development Team (see AUTHORS file)
+copyright:     2003-2026, Cabal Development Team (see AUTHORS file)
 license:       BSD-3-Clause
 license-file:  LICENSE
 author:        Cabal Development Team <cabal-devel@haskell.org>

diff --git a/Cabal/LICENSE b/Cabal/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2025, Cabal Development Team.
+Copyright (c) 2003-2026, Cabal Development Team.
 See the AUTHORS file for the full list of copyright holders.
 
 See */LICENSE for the copyright holders of the subcomponents.

diff --git a/Cabal/src/Distribution/Backpack/ReadyComponent.hs b/Cabal/src/Distribution/Backpack/ReadyComponent.hs
@@ -218,7 +218,6 @@ instance Applicative InstM where
      in (f' x', s'')
 
 instance Monad InstM where
-  return = pure
   InstM m >>= f = InstM $ \s ->
     let (x, s') = m s
      in runInstM (f x) s'

diff --git a/Cabal/src/Distribution/Backpack/UnifyM.hs b/Cabal/src/Distribution/Backpack/UnifyM.hs
@@ -152,7 +152,6 @@ instance Applicative (UnifyM s) where
           Just x'' -> return (Just (f'' x''))
 
 instance Monad (UnifyM s) where
-  return = pure
   UnifyM m >>= f = UnifyM $ \r -> do
     x <- m r
     case x of

diff --git a/Cabal/src/Distribution/Simple/BuildTarget.hs b/Cabal/src/Distribution/Simple/BuildTarget.hs
@@ -908,8 +908,6 @@ instance Applicative Match where
   (<*>) = ap
 
 instance Monad Match where
-  return = pure
-
   NoMatch d ms >>= _ = NoMatch d ms
   ExactMatch d xs >>= f =
     addDepth d $

diff --git a/Cabal/src/Distribution/Utils/LogProgress.hs b/Cabal/src/Distribution/Utils/LogProgress.hs
@@ -41,7 +41,6 @@ instance Applicative LogProgress where
   LogProgress f <*> LogProgress x = LogProgress $ \r -> f r `ap` x r
 
 instance Monad LogProgress where
-  return = pure
   LogProgress m >>= f = LogProgress $ \r -> m r >>= \x -> unLogProgress (f x) r
 
 -- | Run 'LogProgress', outputting traces according to 'Verbosity',

diff --git a/Cabal/src/Distribution/Utils/Progress.hs b/Cabal/src/Distribution/Utils/Progress.hs
@@ -57,7 +57,6 @@ foldProgress step err done = fold
     fold (Done r) = done r
 
 instance Monad (Progress step fail) where
-  return = pure
   p >>= f = foldProgress Step Fail f p
 
 instance Applicative (Progress step fail) where

diff --git a/Cabal/src/Distribution/ZinzaPrelude.hs b/Cabal/src/Distribution/ZinzaPrelude.hs
@@ -33,7 +33,6 @@ instance Applicative Writer where
   (<*>) = ap
 
 instance Monad Writer where
-  return = pure
   m >>= k = W $ \s1 ->
     let (s2, x) = unW m s1
      in unW (k x) s2

diff --git a/cabal-benchmarks/LICENSE b/cabal-benchmarks/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2025, Cabal Development Team.
+Copyright (c) 2003-2026, Cabal Development Team.
 See the AUTHORS file for the full list of copyright holders.
 
 See */LICENSE for the copyright holders of the subcomponents.

diff --git a/cabal-benchmarks/cabal-benchmarks.cabal b/cabal-benchmarks/cabal-benchmarks.cabal
@@ -1,7 +1,7 @@
 cabal-version:      2.2
 name:               cabal-benchmarks
 version:            3
-copyright:          2003-2025, Cabal Development Team (see AUTHORS file)
+copyright:          2003-2026, Cabal Development Team (see AUTHORS file)
 license:            BSD-3-Clause
 license-file:       LICENSE
 author:             Cabal Development Team <cabal-devel@haskell.org>

diff --git a/cabal-dev-scripts/LICENSE b/cabal-dev-scripts/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2025, Cabal Development Team.
+Copyright (c) 2003-2026, Cabal Development Team.
 See the AUTHORS file for the full list of copyright holders.
 
 See */LICENSE for the copyright holders of the subcomponents.

diff --git a/cabal-install-solver/LICENSE b/cabal-install-solver/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2025, Cabal Development Team.
+Copyright (c) 2003-2026, Cabal Development Team.
 See the AUTHORS file for the full list of copyright holders.
 
 See */LICENSE for the copyright holders of the subcomponents.

diff --git a/cabal-install-solver/cabal-install-solver.cabal b/cabal-install-solver/cabal-install-solver.cabal
@@ -11,7 +11,7 @@ license:       BSD-3-Clause
 license-file:  LICENSE
 author:        Cabal Development Team (see AUTHORS file)
 maintainer:    Cabal Development Team <cabal-devel@haskell.org>
-copyright:     2003-2025, Cabal Development Team
+copyright:     2003-2026, Cabal Development Team
 category:      Distribution
 build-type:    Simple
 extra-doc-files:

diff --git a/cabal-install-solver/src/Distribution/Solver/Types/Progress.hs b/cabal-install-solver/src/Distribution/Solver/Types/Progress.hs
@@ -36,7 +36,6 @@ foldProgress step' fail' done' = fold
         fold (Done r)   = done' r
 
 instance Monad (Progress step fail) where
-  return   = pure
   p >>= f  = foldProgress Step Fail f p
 
 instance MonadFail (Progress step String) where

diff --git a/cabal-install/LICENSE b/cabal-install/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2025, Cabal Development Team.
+Copyright (c) 2003-2026, Cabal Development Team.
 See the AUTHORS file for the full list of copyright holders.
 
 See */LICENSE for the copyright holders of the subcomponents.