haskell-distributed · LaurentRDC · Jan 2, 2026 · Jan 1, 2026
diff --git a/.github/workflows/cabal.yml b/.github/workflows/cabal.yml
@@ -37,6 +37,9 @@ jobs:
             cabal-flags: ""
           - ghc-version: "9.12.2"
             cabal-flags: ""
+          - ghc-version: "9.14.1"
+            # See issue 479 for when we can drop the following flags
+            cabal-flags: "--allow-newer=base --allow-newer=ghc-bignum --allow-newer=containers --allow-newer=template-haskell"
 
     runs-on: "ubuntu-latest"
 
@@ -48,14 +51,14 @@ jobs:
       id: setup-haskell
       with:
         ghc-version: ${{ matrix.ghc-version }}
-        cabal-version: '3.12.1.0'
+        cabal-version: '3.16.1.0'
 
     - name: Generate freeze file
       run: |
         # Cloud Haskell tests using the QUIC backend are quite flaky, but in CI only.
         # Therefore, the 'quic' flag is normally enabled locally, but disabled in CI. 
-        cabal configure --enable-tests --test-show-details=direct --flags "-quic"
-        cabal freeze ${{matrix.cabal-flags}} --minimize-conflict-set
+        cabal configure --enable-tests --test-show-details=direct --flags "-quic" ${{matrix.cabal-flags}}
+        cabal freeze --minimize-conflict-set
         cat cabal.project.freeze
 
     - name: Cache cabal work
@@ -69,15 +72,15 @@ jobs:
         key: ${{ runner.os }}-${{ hashFiles('cabal.project', 'cabal.project.local') }}-cabal-install
 
     - name: Build dependencies only
-      run: cabal build all --only-dependencies ${{matrix.cabal-flags}}
+      run: cabal build all --only-dependencies
 
     - name: Build all packages
-      run: cabal build all ${{matrix.cabal-flags}}
+      run: cabal build all
 
     - name: Run all tests
       # We have seen in the past some tests hang for hours, wasting resources.
       # The timeout below should be plenty
       timeout-minutes: 10
       # We run each test suite one-by-one to better observe problems.
-      run: cabal test all -j1 ${{matrix.cabal-flags}}
+      run: cabal test all -j1 
 
diff --git a/packages/distributed-process-async/distributed-process-async.cabal b/packages/distributed-process-async/distributed-process-async.cabal
@@ -15,7 +15,7 @@ description:    This package provides a higher-level interface over Processes, i
                 concurrent, possibly distributed Process that will eventually deliver a value of type a.
                 The package provides ways to create Async computations, wait for their results, and cancel them.
 category:       Control
-tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 extra-doc-files: CHANGELOG.md
 
 source-repository head

diff --git a/packages/distributed-process-client-server/distributed-process-client-server.cabal b/packages/distributed-process-client-server/distributed-process-client-server.cabal
@@ -16,7 +16,7 @@ description:    Modelled after Erlang OTP's gen_server, this framework provides
                 development into a set of modules and standards designed to help you build
                 concurrent, distributed applications with relative ease.
 category:       Control
-tested-with:    GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:    GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 extra-doc-files: CHANGELOG.md
 
 source-repository head

diff --git a/packages/distributed-process-execution/distributed-process-execution.cabal b/packages/distributed-process-execution/distributed-process-execution.cabal
@@ -16,7 +16,7 @@ description:
                 The currently implementation provides only a subset of the plumbing required, comprising tools
                 for event management, mailbox buffering and message routing.
 category:       Control
-tested-with:    GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:    GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 extra-doc-files: ChangeLog
 
 source-repository head

diff --git a/packages/distributed-process-extras/distributed-process-extras.cabal b/packages/distributed-process-extras/distributed-process-extras.cabal
@@ -14,7 +14,7 @@ synopsis:       Cloud Haskell Extras
 description:    Supporting library, providing common types and utilities used by the
                 various libraries built on top of distributed-process
 category:       Control
-tested-with:    GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:    GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 extra-doc-files: ChangeLog
 
 source-repository head

diff --git a/packages/distributed-process-fsm/distributed-process-fsm.cabal b/packages/distributed-process-fsm/distributed-process-fsm.cabal
@@ -13,7 +13,7 @@ Bug-Reports:    http://github.com/haskell-distributed/distributed-process-fsm/is
 synopsis:       The Cloud Haskell implementation of Erlang/OTP gen_statem
 description:    Cloud Haskell framework for building finite state machines around CSPs
 category:       Control
-Tested-With:    GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+Tested-With:    GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 
 source-repository head
   type:      git

diff --git a/packages/distributed-process-simplelocalnet/distributed-process-simplelocalnet.cabal b/packages/distributed-process-simplelocalnet/distributed-process-simplelocalnet.cabal
@@ -15,7 +15,7 @@ Description:   Simple backend based on the TCP transport which offers node
                discovery based on UDP multicast. This is a zero-configuration
                backend designed to get you going with Cloud Haskell quickly
                without imposing any structure on your application.
-tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 Category:      Control
 extra-doc-files: ChangeLog
 

diff --git a/packages/distributed-process-supervisor/distributed-process-supervisor.cabal b/packages/distributed-process-supervisor/distributed-process-supervisor.cabal
@@ -20,7 +20,7 @@ description:    A part of the Cloud Haskell framework
 
                 For detailed information see "Control.Distributed.Process.Supervisor"
 category:       Control
-tested-with:    GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:    GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 extra-doc-files: ChangeLog
 
 source-repository head

diff --git a/packages/distributed-process-tests/distributed-process-tests.cabal b/packages/distributed-process-tests/distributed-process-tests.cabal
@@ -11,7 +11,7 @@ maintainer:    The Distributed Haskell team
 copyright:     Well-Typed LLP
 category:      Control, Cloud Haskell
 build-type:    Simple
-tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 extra-source-files:
                tests/credentials/cert.crt
                tests/credentials/cert.key

diff --git a/packages/distributed-process/distributed-process.cabal b/packages/distributed-process/distributed-process.cabal
@@ -21,7 +21,7 @@ Description:   This is an implementation of Cloud Haskell, as described in
 
                You will probably also want to install a Cloud Haskell backend such
                as distributed-process-simplelocalnet.
-tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1 GHC==9.14.1
 Category:      Control
 extra-doc-files: ChangeLog
 

diff --git a/packages/distributed-static/distributed-static.cabal b/packages/distributed-static/distributed-static.cabal
@@ -25,7 +25,7 @@ Copyright:           Well-Typed LLP
 Category:            Control
 Build-Type:          Simple
 extra-doc-files:     ChangeLog
-tested-with:         GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:         GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 
 source-repository head
   Type:     git

diff --git a/packages/network-transport-inmemory/network-transport-inmemory.cabal b/packages/network-transport-inmemory/network-transport-inmemory.cabal
@@ -21,7 +21,7 @@ Description:   This is a transport implementation that could be used for local
                communication. All endpoints that want to communicate should be
                created using the same transport.
 
-tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 Category:      Network
 extra-doc-files: ChangeLog
 

diff --git a/packages/network-transport-quic/network-transport-quic.cabal b/packages/network-transport-quic/network-transport-quic.cabal
@@ -20,7 +20,7 @@ Description:
 
   In dense network topologies, using ["Network.Transport.QUIC"] may improve performance by a factor of 2 over
   other transport implementations.
-tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 Category:      Network
 extra-doc-files:
                README.md

diff --git a/packages/network-transport-tcp/network-transport-tcp.cabal b/packages/network-transport-tcp/network-transport-tcp.cabal
@@ -12,7 +12,7 @@ Homepage:      https://haskell-distributed.github.io
 Bug-Reports:   https://github.com/haskell-distributed/distributed-process/issues
 Synopsis:      TCP instantiation of Network.Transport
 Description:   TCP instantiation of Network.Transport, which can be used to create Cloud Haskell backends
-tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 Category:      Network
 extra-doc-files: ChangeLog
 

diff --git a/packages/network-transport/network-transport.cabal b/packages/network-transport/network-transport.cabal
@@ -55,7 +55,7 @@ Description:   "Network.Transport" is a Network Abstraction Layer which provides
                This package provides the generic interface only; you will
                probably also want to install at least one transport
                implementation (network-transport-*).
-tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:   GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 Category:      Network
 extra-doc-files: ChangeLog
 

diff --git a/packages/rank1dynamic/rank1dynamic.cabal b/packages/rank1dynamic/rank1dynamic.cabal
@@ -15,7 +15,7 @@ Copyright:           Well-Typed LLP, Tweag I/O Limited
 Category:            Data
 Build-Type:          Simple
 extra-doc-files:     ChangeLog
-tested-with:         GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2
+tested-with:         GHC==8.10.7 GHC==9.0.2 GHC==9.2.8 GHC==9.4.8 GHC==9.6.7 GHC==9.8.4 GHC==9.10.3 GHC==9.12.2 GHC==9.14.1
 
 source-repository head
   Type:     git