diff --git a/pkgs/development/python-modules/awkward-cpp/default.nix b/pkgs/development/python-modules/awkward-cpp/default.nix
index 0063cd3f851f8..ce96b50ca49bb 100644
--- a/pkgs/development/python-modules/awkward-cpp/default.nix
+++ b/pkgs/development/python-modules/awkward-cpp/default.nix
@@ -11,13 +11,13 @@
 
 buildPythonPackage rec {
   pname = "awkward-cpp";
-  version = "43";
+  version = "44";
   pyproject = true;
 
   src = fetchPypi {
     pname = "awkward_cpp";
     inherit version;
-    hash = "sha256-we11WW7IKvZm2ghLW/gF2bcsg1MtA10rZeB5WQXSXq0=";
+    hash = "sha256-jcSZKI1tFrLqILUaJ9UEflGiR7aqz8vLOzAsrW08h9g=";
   };
 
   build-system = [
diff --git a/pkgs/development/python-modules/awkward/default.nix b/pkgs/development/python-modules/awkward/default.nix
index 8722a72cf6358..83dd0ad4cf610 100644
--- a/pkgs/development/python-modules/awkward/default.nix
+++ b/pkgs/development/python-modules/awkward/default.nix
@@ -1,7 +1,7 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
-  pythonOlder,
   fetchFromGitHub,
 
   # build-system
@@ -13,12 +13,9 @@
   fsspec,
   numpy,
   packaging,
-  typing-extensions,
-  importlib-metadata,
 
-  # checks
+  # tests
   numba,
-  setuptools,
   numexpr,
   pandas,
   pyarrow,
@@ -28,14 +25,14 @@
 
 buildPythonPackage rec {
   pname = "awkward";
-  version = "2.7.2";
+  version = "2.7.4";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "scikit-hep";
     repo = "awkward";
     tag = "v${version}";
-    hash = "sha256-nOKMwAQ5t8tc64bEKz0j8JxxoVQQu39Iu8Zr9cqSx7A=";
+    hash = "sha256-OXSl+8sfrx+JlLu40wHf+98WVNNwm9uxvsnGXRDztDg=";
   };
 
   build-system = [
@@ -43,15 +40,12 @@ buildPythonPackage rec {
     hatchling
   ];
 
-  dependencies =
-    [
-      awkward-cpp
-      fsspec
-      numpy
-      packaging
-    ]
-    ++ lib.optionals (pythonOlder "3.11") [ typing-extensions ]
-    ++ lib.optionals (pythonOlder "3.12") [ importlib-metadata ];
+  dependencies = [
+    awkward-cpp
+    fsspec
+    numpy
+    packaging
+  ];
 
   dontUseCmakeConfigure = true;
 
@@ -60,7 +54,6 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     fsspec
     numba
-    setuptools
     numexpr
     pandas
     pyarrow
@@ -68,11 +61,27 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
-  disabledTestPaths = [
-    # Need to be run on a GPU platform.
-    "tests-cuda"
+  disabledTests = [
+    # pyarrow.lib.ArrowInvalid
+    "test_recordarray"
   ];
 
+  disabledTestPaths =
+    [
+      # Need to be run on a GPU platform.
+      "tests-cuda"
+    ]
+    ++ lib.optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64) [
+      # Fatal Python error: Segmentation fault at:
+      # numba/typed/typedlist.py", line 344 in append
+      "tests/test_0118_numba_cpointers.py"
+      "tests/test_0397_arrays_as_constants_in_numba.py"
+      "tests/test_1677_array_builder_in_numba.py"
+      "tests/test_2055_array_builder_check.py"
+      "tests/test_2349_growablebuffer_in_numba.py"
+      "tests/test_2408_layoutbuilder_in_numba.py"
+    ];
+
   meta = {
     description = "Manipulate JSON-like data with NumPy-like idioms";
     homepage = "https://github.com/scikit-hep/awkward";
diff --git a/pkgs/development/python-modules/coffea/default.nix b/pkgs/development/python-modules/coffea/default.nix
index 5e61b17c5c2d8..0710ca0f5dbab 100644
--- a/pkgs/development/python-modules/coffea/default.nix
+++ b/pkgs/development/python-modules/coffea/default.nix
@@ -57,6 +57,10 @@ buildPythonPackage rec {
     hatch-vcs
   ];
 
+  pythonRelaxDeps = [
+    "dask"
+  ];
+
   dependencies = [
     aiohttp
     awkward
@@ -106,6 +110,10 @@ buildPythonPackage rec {
     # AssertionError: bug in Awkward Array: attempt to convert TypeTracerArray into a concrete array
     "test_apply_to_fileset"
     "test_lorentz_behavior"
+
+    # ValueError: The array to mask was deleted before it could be masked.
+    # If you want to construct this mask, you must either keep the array alive or use 'ak.mask' explicitly.
+    "test_read_nanomc"
   ];
 
   __darwinAllowLocalNetworking = true;
diff --git a/pkgs/development/python-modules/dask-awkward/default.nix b/pkgs/development/python-modules/dask-awkward/default.nix
index a0d8b63fe06a0..8031a140ffbf9 100644
--- a/pkgs/development/python-modules/dask-awkward/default.nix
+++ b/pkgs/development/python-modules/dask-awkward/default.nix
@@ -16,7 +16,7 @@
   # optional-dependencies
   pyarrow,
 
-  # checks
+  # tests
   dask-histogram,
   distributed,
   hist,
@@ -27,14 +27,14 @@
 
 buildPythonPackage rec {
   pname = "dask-awkward";
-  version = "2024.12.2";
+  version = "2025.2.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "dask-contrib";
     repo = "dask-awkward";
     tag = version;
-    hash = "sha256-pL1LDW/q78V/c3Bha38k40018MFO+i8X6htYNdcsy7s=";
+    hash = "sha256-hhAY2cPUOYnP86FGsLvxlMeoEwY+sTrjPMKyuZrO0/M=";
   };
 
   build-system = [
@@ -53,8 +53,8 @@ buildPythonPackage rec {
     io = [ pyarrow ];
   };
 
-  checkInputs = [
-    dask-histogram
+  nativeCheckInputs = [
+    # dask-histogram (circular dependency)
     distributed
     hist
     pandas
@@ -86,7 +86,7 @@ buildPythonPackage rec {
   meta = {
     description = "Native Dask collection for awkward arrays, and the library to use it";
     homepage = "https://github.com/dask-contrib/dask-awkward";
-    changelog = "https://github.com/dask-contrib/dask-awkward/releases/tag/${src.tag}";
+    changelog = "https://github.com/dask-contrib/dask-awkward/releases/tag/${version}";
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/python-modules/dask-expr/default.nix b/pkgs/development/python-modules/dask-expr/default.nix
deleted file mode 100644
index c7bb6c734ee9a..0000000000000
--- a/pkgs/development/python-modules/dask-expr/default.nix
+++ /dev/null
@@ -1,65 +0,0 @@
-{
-  lib,
-  buildPythonPackage,
-  fetchFromGitHub,
-
-  # build-system
-  setuptools,
-  versioneer,
-
-  # dependencies
-  dask,
-  pandas,
-  pyarrow,
-
-  # checks
-  jinja2,
-  pytestCheckHook,
-  xarray,
-}:
-
-buildPythonPackage rec {
-  pname = "dask-expr";
-  version = "1.1.21";
-  pyproject = true;
-
-  src = fetchFromGitHub {
-    owner = "dask";
-    repo = "dask-expr";
-    tag = "v${version}";
-    hash = "sha256-t1vPlTxV5JYArg/a7CzPP13NHbstEoCgHRmd8Y9mDfA=";
-  };
-
-  postPatch = ''
-    substituteInPlace pyproject.toml \
-      --replace-fail "versioneer[toml]==0.28" "versioneer[toml]"
-  '';
-
-  build-system = [
-    setuptools
-    versioneer
-  ];
-
-  dependencies = [
-    dask
-    pandas
-    pyarrow
-  ];
-
-  pythonImportsCheck = [ "dask_expr" ];
-
-  nativeCheckInputs = [
-    jinja2
-    pytestCheckHook
-    xarray
-  ];
-
-  __darwinAllowLocalNetworking = true;
-
-  meta = {
-    description = "Rewrite of Dask DataFrame that includes query optimization and generally improved organization";
-    homepage = "https://github.com/dask/dask-expr";
-    license = lib.licenses.bsd3;
-    maintainers = with lib.maintainers; [ GaetanLepage ];
-  };
-}
diff --git a/pkgs/development/python-modules/dask-glm/default.nix b/pkgs/development/python-modules/dask-glm/default.nix
index a4bead52b43ba..97cfa61003136 100644
--- a/pkgs/development/python-modules/dask-glm/default.nix
+++ b/pkgs/development/python-modules/dask-glm/default.nix
@@ -1,34 +1,46 @@
 {
   lib,
   buildPythonPackage,
+  fetchFromGitHub,
+
+  # build-system
+  setuptools-scm,
+
+  # dependencies
   cloudpickle,
-  dask,
   distributed,
-  fetchPypi,
   multipledispatch,
-  pytestCheckHook,
-  pythonOlder,
   scikit-learn,
   scipy,
-  setuptools-scm,
   sparse,
+  dask,
+
+  # tests
+  pytest-xdist,
+  pytestCheckHook,
 }:
 
 buildPythonPackage rec {
   pname = "dask-glm";
   version = "0.3.2";
-  format = "setuptools";
+  pyproject = true;
 
-  disabled = pythonOlder "3.7";
-
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-yUelZoZmmKAdeZeK5zIzy16DitXq1ghRQ1gsXpMLmko=";
+  src = fetchFromGitHub {
+    owner = "dask";
+    repo = "dask-glm";
+    tag = version;
+    hash = "sha256-q98QMmw1toashimS16of54cgZgIPqkua3xGD1FZ1nTc=";
   };
 
-  nativeBuildInputs = [ setuptools-scm ];
+  # ValueError: The truth value of an empty array is ambiguous. Use `array.size > 0` to check that an array is not empty.
+  postPatch = ''
+    substituteInPlace dask_glm/utils.py \
+      --replace-fail "if arr:" "if (arr is not None) and (arr.size > 0):"
+  '';
+
+  build-system = [ setuptools-scm ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     cloudpickle
     distributed
     multipledispatch
@@ -38,30 +50,24 @@ buildPythonPackage rec {
   ] ++ dask.optional-dependencies.array;
 
   nativeCheckInputs = [
-    sparse
+    pytest-xdist
     pytestCheckHook
   ];
 
   pythonImportsCheck = [ "dask_glm" ];
 
-  disabledTestPaths = [
-    # Circular dependency with dask-ml
-    "dask_glm/tests/test_estimators.py"
-    # Test tries to imort an obsolete method
-    "dask_glm/tests/test_utils.py"
-  ];
-
   disabledTests = [
-    # missing fixture with distributed>=2022.8.0
-    "test_determinism_distributed"
+    # ValueError: <class 'bool'> can be computed for one-element arrays only.
+    "test_dot_with_sparse"
   ];
 
   __darwinAllowLocalNetworking = true;
 
-  meta = with lib; {
+  meta = {
     description = "Generalized Linear Models with Dask";
     homepage = "https://github.com/dask/dask-glm/";
-    license = licenses.bsd3;
-    maintainers = [ ];
+    changelog = "https://github.com/dask/dask-glm/releases/tag/${version}";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ GaetanLepage ];
   };
 }
diff --git a/pkgs/development/python-modules/dask-histogram/default.nix b/pkgs/development/python-modules/dask-histogram/default.nix
index fc6af4c39c6b5..98692269069df 100644
--- a/pkgs/development/python-modules/dask-histogram/default.nix
+++ b/pkgs/development/python-modules/dask-histogram/default.nix
@@ -10,6 +10,7 @@
   # dependencies
   boost-histogram,
   dask,
+  dask-awkward,
 
   # tests
   pytestCheckHook,
@@ -17,14 +18,14 @@
 
 buildPythonPackage rec {
   pname = "dask-histogram";
-  version = "2024.12.1";
+  version = "2025.2.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "dask-contrib";
     repo = "dask-histogram";
     tag = version;
-    hash = "sha256-chznfEsMFuIioIlTz6uNpVAkjMMoMXjS62R4luKxVZQ=";
+    hash = "sha256-5Ec/qzVc/7LDG6SJym1e76BbxmbVjKKQHckwtTs1+6M=";
   };
 
   build-system = [
@@ -35,6 +36,7 @@ buildPythonPackage rec {
   dependencies = [
     boost-histogram
     dask
+    dask-awkward
   ];
 
   nativeCheckInputs = [ pytestCheckHook ];
@@ -44,7 +46,7 @@ buildPythonPackage rec {
   meta = {
     description = "Histograms with task scheduling";
     homepage = "https://dask-histogram.readthedocs.io/";
-    changelog = "https://github.com/dask-contrib/dask-histogram/releases/tag/${src.tag}";
+    changelog = "https://github.com/dask-contrib/dask-histogram/releases/tag/${version}";
     license = with lib.licenses; [ bsd3 ];
     maintainers = with lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/python-modules/dask-image/default.nix b/pkgs/development/python-modules/dask-image/default.nix
index a297902bc684f..599e99853ad8c 100644
--- a/pkgs/development/python-modules/dask-image/default.nix
+++ b/pkgs/development/python-modules/dask-image/default.nix
@@ -1,15 +1,21 @@
 {
   lib,
   buildPythonPackage,
-  pythonOlder,
   fetchFromGitHub,
+
+  # build-system
   setuptools,
   setuptools-scm,
+
+  # dependencies
   dask,
   numpy,
   scipy,
   pandas,
   pims,
+
+  # tests
+  pyarrow,
   pytestCheckHook,
   scikit-image,
 }:
@@ -19,8 +25,6 @@ buildPythonPackage rec {
   version = "2024.5.3";
   pyproject = true;
 
-  disabled = pythonOlder "3.9";
-
   src = fetchFromGitHub {
     owner = "dask";
     repo = "dask-image";
@@ -28,6 +32,11 @@ buildPythonPackage rec {
     hash = "sha256-kXCAqJ2Zgo/2Khvo2YcK+n4oGM219GyQ2Hsq9re1Lac=";
   };
 
+  postPatch = ''
+    substituteInPlace dask_image/ndinterp/__init__.py \
+      --replace-fail "out_bounds.ptp(axis=1)" "np.ptp(out_bounds, axis=1)"
+  '';
+
   build-system = [
     setuptools
     setuptools-scm
@@ -42,15 +51,27 @@ buildPythonPackage rec {
   ];
 
   nativeCheckInputs = [
+    pyarrow
     pytestCheckHook
     scikit-image
   ];
 
   pythonImportsCheck = [ "dask_image" ];
 
+  disabledTests = [
+    # The following tests are from 'tests/test_dask_image/test_ndmeasure/test_find_objects.py' and
+    # fail because of errrors on numpy slices
+    # AttributeError: 'str' object has no attribute 'start'
+    "test_find_objects"
+    "test_3d_find_objects"
+    # AssertionError (comparing slices)
+    "test_find_objects_with_empty_chunks"
+  ];
+
   meta = {
     description = "Distributed image processing";
     homepage = "https://github.com/dask/dask-image";
+    changelog = "https://github.com/dask/dask-image/releases/tag/v${version}";
     license = lib.licenses.bsdOriginal;
     maintainers = with lib.maintainers; [ GaetanLepage ];
   };
diff --git a/pkgs/development/python-modules/dask-ml/default.nix b/pkgs/development/python-modules/dask-ml/default.nix
index e3949fde678b6..f30adb7ff2463 100644
--- a/pkgs/development/python-modules/dask-ml/default.nix
+++ b/pkgs/development/python-modules/dask-ml/default.nix
@@ -3,14 +3,13 @@
   stdenv,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
 
   # build-system
   hatch-vcs,
   hatchling,
-  setuptools-scm,
 
   # dependencies
-  dask-expr,
   dask-glm,
   distributed,
   multipledispatch,
@@ -29,25 +28,23 @@
 
 buildPythonPackage rec {
   pname = "dask-ml";
-  version = "2024.4.4";
+  version = "2025.1.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "dask";
     repo = "dask-ml";
     tag = "v${version}";
-    hash = "sha256-ZiBpCk3b4Tk0Hwb4uapJLEx+Nb/qHFROCnkBTNGDzoU=";
+    hash = "sha256-DHxx0LFuJmGWYuG/WGHj+a5XHAEekBmlHUUb90rl2IY=";
   };
 
   build-system = [
     hatch-vcs
     hatchling
-    setuptools-scm
   ];
 
   dependencies =
     [
-      dask-expr
       dask-glm
       distributed
       multipledispatch
@@ -73,39 +70,14 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
-  disabledTestPaths =
-    [
-      # AttributeError: 'csr_matrix' object has no attribute 'A'
-      # Fixed in https://github.com/dask/dask-ml/pull/996
-      "tests/test_svd.py"
-
-      # Tests fail with dask>=0.11.2
-      # RuntimeError: Not enough arguments provided
-      # Reported in https://github.com/dask/dask-ml/issues/1003
-      "tests/model_selection/test_incremental.py"
-    ]
-    ++ lib.optionals stdenv.isDarwin [
-      # RuntimeError: Not enough arguments provided: missing keys
-      "tests/model_selection/test_hyperband.py"
-      "tests/model_selection/test_incremental.py"
-      "tests/model_selection/test_incremental_warns.py"
-      "tests/model_selection/test_successive_halving.py"
-    ];
+  disabledTestPaths = [
+    # AttributeError: module 'numpy' has no attribute 'product'
+    "tests/test_svd.py"
+  ];
 
   disabledTests = [
-    # Flaky: `Arrays are not almost equal to 3 decimals` (although values do actually match)
-    "test_whitening"
-
-    # Tests fail with dask>=0.11.2
-    # RuntimeError: Not enough arguments provided
-    # Reported in https://github.com/dask/dask-ml/issues/1003
-    "test_basic"
-    "test_hyperband_patience"
-    "test_same_random_state_same_params"
-    "test_search_patience_infeasible_tol"
-    "test_sha_max_iter_and_metadata"
-    "test_warns_decay_rate"
-    "test_warns_decay_rate_wanted"
+    # AssertionError: Regex pattern did not match.
+    "test_unknown_category_transform_array"
   ];
 
   __darwinAllowLocalNetworking = true;
diff --git a/pkgs/development/python-modules/dask/default.nix b/pkgs/development/python-modules/dask/default.nix
index 93b38b11b1f7d..d151090c42219 100644
--- a/pkgs/development/python-modules/dask/default.nix
+++ b/pkgs/development/python-modules/dask/default.nix
@@ -1,6 +1,5 @@
 {
   lib,
-  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
 
@@ -27,168 +26,126 @@
   jinja2,
 
   # tests
-  arrow-cpp,
-  dask-expr,
   hypothesis,
   pytest-asyncio,
+  pytest-cov-stub,
+  pytest-mock,
   pytest-rerunfailures,
   pytest-xdist,
   pytestCheckHook,
+  versionCheckHook,
 }:
 
-let
-  self = buildPythonPackage rec {
-    pname = "dask";
-    version = "2024.12.1";
-    pyproject = true;
-
-    src = fetchFromGitHub {
-      owner = "dask";
-      repo = "dask";
-      tag = version;
-      hash = "sha256-QqvdldAHW2UYt1NXfk3Aa+oe97e+OpRbF8d6eKV3OJ4=";
-    };
-
-    build-system = [ setuptools ];
-
-    dependencies = [
-      click
-      cloudpickle
-      fsspec
-      packaging
-      partd
-      pyyaml
-      importlib-metadata
-      toolz
-    ];
-
-    optional-dependencies = lib.fix (self: {
-      array = [ numpy ];
-      complete =
-        [
-          pyarrow
-          lz4
-        ]
-        ++ self.array
-        ++ self.dataframe
-        ++ self.distributed
-        ++ self.diagnostics;
-      dataframe = [
-        # dask-expr -> circular dependency with dask-expr
-        numpy
-        pandas
-      ];
-      distributed = [ distributed ];
-      diagnostics = [
-        bokeh
-        jinja2
-      ];
-    });
-
-    nativeCheckInputs =
-      [
-        dask-expr
-        pytestCheckHook
-        pytest-rerunfailures
-        pytest-xdist
-        # from panda[test]
-        hypothesis
-        pytest-asyncio
-      ]
-      ++ self.optional-dependencies.array
-      ++ self.optional-dependencies.dataframe
-      ++ lib.optionals (!arrow-cpp.meta.broken) [
-        # support is sparse on aarch64
-        pyarrow
-      ];
+buildPythonPackage rec {
+  pname = "dask";
+  version = "2025.1.0";
+  pyproject = true;
 
-    dontUseSetuptoolsCheck = true;
+  src = fetchFromGitHub {
+    owner = "dask";
+    repo = "dask";
+    tag = version;
+    hash = "sha256-KBqOyf471mNg3L9dYmR7IRSltEtC+VgC+6ptsoKgVmM=";
+  };
 
-    postPatch = ''
-      # versioneer hack to set version of GitHub package
-      echo "def get_versions(): return {'dirty': False, 'error': None, 'full-revisionid': None, 'version': '${version}'}" > dask/_version.py
+  postPatch = ''
+    # versioneer hack to set version of GitHub package
+    echo "def get_versions(): return {'dirty': False, 'error': None, 'full-revisionid': None, 'version': '${version}'}" > dask/_version.py
 
-      substituteInPlace setup.py \
-        --replace-fail "import versioneer" "" \
-        --replace-fail "version=versioneer.get_version()," "version='${version}'," \
-        --replace-fail "cmdclass=versioneer.get_cmdclass()," ""
+    substituteInPlace setup.py \
+      --replace-fail "import versioneer" "" \
+      --replace-fail "version=versioneer.get_version()," "version='${version}'," \
+      --replace-fail "cmdclass=versioneer.get_cmdclass()," ""
 
       substituteInPlace pyproject.toml \
-        --replace-fail ', "versioneer[toml]==0.29"' "" \
-        --replace-fail " --durations=10" "" \
-        --replace-fail " --cov-config=pyproject.toml" "" \
-        --replace-fail "\"-v" "\" "
-    '';
-
-    pytestFlagsArray = [
-      # Rerun failed tests up to three times
-      "--reruns 3"
-      # Don't run tests that require network access
-      "-m 'not network'"
-    ];
-
-    disabledTests =
-      lib.optionals stdenv.hostPlatform.isDarwin [
-        # Test requires features of python3Packages.psutil that are
-        # blocked in sandboxed-builds
-        "test_auto_blocksize_csv"
-        # AttributeError: 'str' object has no attribute 'decode'
-        "test_read_dir_nometa"
-      ]
-      ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) [
-        # concurrent.futures.process.BrokenProcessPool: A process in the process pool terminated abpruptly...
-        "test_foldby_tree_reduction"
-        "test_to_bag"
+        --replace-fail ', "versioneer[toml]==0.29"' ""
+  '';
+
+  build-system = [ setuptools ];
+
+  dependencies = [
+    click
+    cloudpickle
+    fsspec
+    packaging
+    partd
+    pyyaml
+    importlib-metadata
+    toolz
+  ];
+
+  optional-dependencies = lib.fix (self: {
+    array = [ numpy ];
+    complete =
+      [
+        pyarrow
+        lz4
       ]
-      ++ [
-        # https://github.com/dask/dask/issues/10347#issuecomment-1589683941
-        "test_concat_categorical"
-        # AttributeError: 'ArrowStringArray' object has no attribute 'tobytes'. Did you mean: 'nbytes'?
-        "test_dot"
-        "test_dot_nan"
-        "test_merge_column_with_nulls"
-        # FileNotFoundError: [Errno 2] No such file or directory: '/build/tmp301jryv_/createme/0.part'
-        "test_to_csv_nodir"
-        "test_to_json_results"
-        # FutureWarning: Those tests should be working fine when pandas will have been upgraded to 2.1.1
-        "test_apply"
-        "test_apply_infer_columns"
-      ];
-
-    __darwinAllowLocalNetworking = true;
-
-    pythonImportsCheck = [
-      "dask"
-      "dask.bag"
-      "dask.bytes"
-      "dask.diagnostics"
+      ++ self.array
+      ++ self.dataframe
+      ++ self.distributed
+      ++ self.diagnostics;
+    dataframe = [
+      pandas
+      pyarrow
+    ] ++ self.array;
+    distributed = [ distributed ];
+    diagnostics = [
+      bokeh
+      jinja2
     ];
-
-    doCheck = false;
-
-    # Enable tests via passthru to avoid cyclic dependency with dask-expr.
-    passthru.tests = {
-      check = self.overridePythonAttrs (old: {
-        doCheck = true;
-        pythonImportsCheck = [
-          # Requires the `dask.optional-dependencies.array` that are only in `nativeCheckInputs`
-          "dask.array"
-          # Requires the `dask.optional-dependencies.dataframe` that are only in `nativeCheckInputs`
-          "dask.dataframe"
-          "dask.dataframe.io"
-          "dask.dataframe.tseries"
-        ] ++ old.pythonImportsCheck;
-      });
-    };
-
-    meta = {
-      description = "Minimal task scheduling abstraction";
-      mainProgram = "dask";
-      homepage = "https://dask.org/";
-      changelog = "https://docs.dask.org/en/latest/changelog.html";
-      license = lib.licenses.bsd3;
-      maintainers = with lib.maintainers; [ GaetanLepage ];
-    };
+  });
+
+  nativeCheckInputs =
+    [
+      hypothesis
+      pyarrow
+      pytest-asyncio
+      pytest-cov-stub
+      pytest-mock
+      pytest-rerunfailures
+      pytest-xdist
+      pytestCheckHook
+      versionCheckHook
+    ]
+    ++ optional-dependencies.array
+    ++ optional-dependencies.dataframe;
+  versionCheckProgramArg = [ "--version" ];
+
+  pytestFlagsArray = [
+    # Rerun failed tests up to three times
+    "--reruns 3"
+    # Don't run tests that require network access
+    "-m 'not network'"
+  ];
+
+  disabledTests = [
+    # UserWarning: Insufficient elements for `head`. 10 elements requested, only 5 elements available. Try passing larger `npartitions` to `head`.
+    "test_set_index_head_nlargest_string"
+  ];
+
+  __darwinAllowLocalNetworking = true;
+
+  pythonImportsCheck = [
+    "dask"
+    "dask.bag"
+    "dask.bytes"
+    "dask.diagnostics"
+
+    # Requires the `dask.optional-dependencies.array` that are only in `nativeCheckInputs`
+    "dask.array"
+    # Requires the `dask.optional-dependencies.dataframe` that are only in `nativeCheckInputs`
+    "dask.dataframe"
+    "dask.dataframe.io"
+    "dask.dataframe.tseries"
+  ];
+
+  meta = {
+    description = "Minimal task scheduling abstraction";
+    mainProgram = "dask";
+    homepage = "https://dask.org/";
+    changelog = "https://docs.dask.org/en/latest/changelog.html";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ GaetanLepage ];
   };
-in
-self
+}
diff --git a/pkgs/development/python-modules/mplhep/default.nix b/pkgs/development/python-modules/mplhep/default.nix
index 604eea8a84890..a5c167aa603f5 100644
--- a/pkgs/development/python-modules/mplhep/default.nix
+++ b/pkgs/development/python-modules/mplhep/default.nix
@@ -2,36 +2,42 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  setuptools,
-  setuptools-scm,
+
+  # build-system
+  hatch-vcs,
+  hatchling,
+
+  # dependencies
   matplotlib,
   mplhep-data,
   numpy,
   packaging,
   uhi,
+
+  # tests
+  hist,
+  pytest-mock,
+  pytest-mpl,
   pytestCheckHook,
   scipy,
-  pytest-mpl,
-  pytest-mock,
   uproot,
-  hist,
 }:
 
 buildPythonPackage rec {
   pname = "mplhep";
-  version = "0.3.55";
+  version = "0.3.56";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "scikit-hep";
     repo = "mplhep";
     tag = "v${version}";
-    hash = "sha256-7YkrrH9Bfn3ctjv+H6TXEDE8yS/wnjO7umuHIXeYTDU=";
+    hash = "sha256-sMJpJUEtIqmu7kCgZp43t9XLy/6nkDgKcxC4nFb+1po=";
   };
 
   build-system = [
-    setuptools
-    setuptools-scm
+    hatch-vcs
+    hatchling
   ];
 
   dependencies = [
@@ -43,12 +49,12 @@ buildPythonPackage rec {
   ];
 
   nativeCheckInputs = [
+    hist
+    pytest-mock
+    pytest-mpl
     pytestCheckHook
     scipy
-    pytest-mpl
-    pytest-mock
     uproot
-    hist
   ];
 
   disabledTests = [
@@ -62,6 +68,7 @@ buildPythonPackage rec {
   meta = {
     description = "Extended histogram plots on top of matplotlib and HEP compatible styling similar to current collaboration requirements (ROOT)";
     homepage = "https://github.com/scikit-hep/mplhep";
+    changelog = "https://github.com/scikit-hep/mplhep/releases/tag/v${version}";
     license = with lib.licenses; [ mit ];
     maintainers = with lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/python-modules/narwhals/default.nix b/pkgs/development/python-modules/narwhals/default.nix
index 5aa36f62364c8..f5a7876fbbfae 100644
--- a/pkgs/development/python-modules/narwhals/default.nix
+++ b/pkgs/development/python-modules/narwhals/default.nix
@@ -1,34 +1,36 @@
 {
   lib,
   buildPythonPackage,
-  # cudf,
-  dask,
-  dask-expr,
-  duckdb,
   fetchFromGitHub,
+
+  # build-system
   hatchling,
-  hypothesis,
+
+  # optional-dependencies
+  # cudf,
+  dask,
   # modin,
   pandas,
   polars,
   pyarrow,
+
+  # tests
+  duckdb,
+  hypothesis,
   pytest-env,
   pytestCheckHook,
-  pythonOlder,
 }:
 
 buildPythonPackage rec {
   pname = "narwhals";
-  version = "1.22.0";
+  version = "1.26.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
-
   src = fetchFromGitHub {
     owner = "narwhals-dev";
     repo = "narwhals";
     tag = "v${version}";
-    hash = "sha256-I6nJJiiW1v04YH70OPxXKeO80N52nnCPKRzJLILEWmw=";
+    hash = "sha256-tGxRJauYD0mCA66Rd2i8jJsuDLVgyk35F7HRMR1ZkQs=";
   };
 
   build-system = [
@@ -39,8 +41,7 @@ buildPythonPackage rec {
     # cudf = [ cudf ];
     dask = [
       dask
-      dask-expr
-    ];
+    ] ++ dask.optional-dependencies.dataframe;
     # modin = [ modin ];
     pandas = [ pandas ];
     polars = [ polars ];
@@ -64,7 +65,7 @@ buildPythonPackage rec {
   meta = {
     description = "Lightweight and extensible compatibility layer between dataframe libraries";
     homepage = "https://github.com/narwhals-dev/narwhals";
-    changelog = "https://github.com/narwhals-dev/narwhals/releases/tag/${src.tag}";
+    changelog = "https://github.com/narwhals-dev/narwhals/releases/tag/v${version}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ fab ];
   };
diff --git a/pkgs/development/python-modules/streamz/default.nix b/pkgs/development/python-modules/streamz/default.nix
index eea52b8fa8f26..5aab96e7c4626 100644
--- a/pkgs/development/python-modules/streamz/default.nix
+++ b/pkgs/development/python-modules/streamz/default.nix
@@ -1,23 +1,24 @@
 {
   lib,
   buildPythonPackage,
-  pythonOlder,
-  fetchPypi,
+  fetchFromGitHub,
+
+  # build-system
   setuptools,
-  confluent-kafka,
-  dask,
-  dask-expr,
-  distributed,
-  flaky,
-  graphviz,
-  networkx,
-  pytest-asyncio,
-  pytestCheckHook,
-  requests,
+
+  # dependencies
   six,
   toolz,
   tornado,
   zict,
+
+  # tests
+  dask,
+  distributed,
+  flaky,
+  pandas,
+  pyarrow,
+  pytestCheckHook,
 }:
 
 buildPythonPackage rec {
@@ -25,17 +26,16 @@ buildPythonPackage rec {
   version = "0.6.4";
   pyproject = true;
 
-  disabled = pythonOlder "3.6";
-
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-VXfWkEwuxInBQVQJV3IQXgGVRkiBmYfUZCBMbjyWNPM=";
+  src = fetchFromGitHub {
+    owner = "python-streamz";
+    repo = "streamz";
+    tag = version;
+    hash = "sha256-lSb3gl+TSIzz4BZzxH8zXu74HvzSntOAoVQUUJKIEvA=";
   };
 
   build-system = [ setuptools ];
 
   dependencies = [
-    networkx
     six
     toolz
     tornado
@@ -43,15 +43,12 @@ buildPythonPackage rec {
   ];
 
   nativeCheckInputs = [
-    confluent-kafka
     dask
-    dask-expr
     distributed
     flaky
-    graphviz
-    pytest-asyncio
+    pandas
+    pyarrow
     pytestCheckHook
-    requests
   ];
 
   pythonImportsCheck = [ "streamz" ];
@@ -63,24 +60,17 @@ buildPythonPackage rec {
     "test_partition_then_scatter_sync"
     "test_sync"
     "test_sync_2"
-    # Test fail in the sandbox
-    "test_tcp_async"
-    "test_tcp"
-    "test_partition_timeout"
+
     # Tests are flaky
-    "test_from_iterable"
     "test_buffer"
   ];
 
-  disabledTestPaths = [
-    # Disable kafka tests
-    "streamz/tests/test_kafka.py"
-  ];
+  __darwinAllowLocalNetworking = true;
 
-  meta = with lib; {
+  meta = {
     description = "Pipelines to manage continuous streams of data";
     homepage = "https://github.com/python-streamz/streamz";
-    license = licenses.bsd3;
-    maintainers = [ ];
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ GaetanLepage ];
   };
 }
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 7aa96d3bfffc9..7b137df6efd37 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -142,6 +142,7 @@ mapAliases ({
   cx_Freeze = cx-freeze; # added 2023-08-02
   cx_oracle = cx-oracle; # added 2024-01-03
   d2to1 = throw "d2to1 is archived and no longer works with setuptools v68"; # added 2023-07-30
+  dask-expr = throw "dask-expr was removed because its features are available in dask"; # added 2025-02-07
   dask-xgboost = throw "dask-xgboost was removed because its features are available in xgboost"; # added 2022-05-24
   dash-renderer = throw "dash-renderer has been removed since it is abandoned"; # added 2025-01-01
   dateutil = python-dateutil; # added 2021-07-03
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index b634be25d5942..0b6c5cbe3a6b2 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2961,8 +2961,6 @@ self: super: with self; {
 
   dask-awkward = callPackage ../development/python-modules/dask-awkward { };
 
-  dask-expr = callPackage ../development/python-modules/dask-expr { };
-
   dask-gateway = callPackage ../development/python-modules/dask-gateway { };
 
   dask-gateway-server = callPackage ../development/python-modules/dask-gateway-server { };