diff --git a/pkgs/development/python-modules/narwhals/default.nix b/pkgs/development/python-modules/narwhals/default.nix
index 89901dab34c9..33c0d42a2988 100644
--- a/pkgs/development/python-modules/narwhals/default.nix
+++ b/pkgs/development/python-modules/narwhals/default.nix
@@ -22,14 +22,14 @@
 
 buildPythonPackage rec {
   pname = "narwhals";
-  version = "2.10.0";
+  version = "2.14.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "narwhals-dev";
     repo = "narwhals";
     tag = "v${version}";
-    hash = "sha256-a/X6LVzFxtjyaFcgZapJZ5i9h5LSB39XjGu/HdhPf8k=";
+    hash = "sha256-5yynyaY5NuxSGEro4pDzFFkf0PsYArzlB23lXYmzydY=";
   };
 
   build-system = [ hatchling ];
diff --git a/pkgs/development/python-modules/polars/avx512.patch b/pkgs/development/python-modules/polars/avx512.patch
deleted file mode 100644
index 5a4d5ecc9530..000000000000
--- a/pkgs/development/python-modules/polars/avx512.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-diff --git a/crates/polars-compute/src/lib.rs b/crates/polars-compute/src/lib.rs
-index ebe1ef753..6e1eee897 100644
---- a/crates/polars-compute/src/lib.rs
-+++ b/crates/polars-compute/src/lib.rs
-@@ -5,6 +5,10 @@
-     all(feature = "simd", target_arch = "x86_64"),
-     feature(stdarch_x86_avx512)
- )]
-+#![cfg_attr(
-+    all(feature = "simd", target_arch = "x86_64"),
-+    feature(avx512_target_feature)
-+)]
- 
- use arrow::types::NativeType;
- 
diff --git a/pkgs/development/python-modules/polars/default.nix b/pkgs/development/python-modules/polars/default.nix
index 0fc073681434..bdd9e72e8290 100644
--- a/pkgs/development/python-modules/polars/default.nix
+++ b/pkgs/development/python-modules/polars/default.nix
@@ -1,6 +1,7 @@
 {
   lib,
   stdenv,
+  build,
   buildPythonPackage,
   cargo,
   cmake,
@@ -15,7 +16,7 @@
   rustc,
   rustPlatform,
   runCommand,
-
+  setuptools,
   mimalloc,
   jemalloc,
   rust-jemalloc-sys,
@@ -40,7 +41,7 @@
 }:
 
 let
-  version = "1.31.0";
+  version = "1.36.1";
 
   # Hide symbols to prevent accidental use
   rust-jemalloc-sys = throw "polars: use polarsMemoryAllocator over rust-jemalloc-sys";
@@ -50,34 +51,26 @@ in
 buildPythonPackage rec {
   pname = "polars";
   inherit version;
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pola-rs";
     repo = "polars";
     tag = "py-${version}";
-    hash = "sha256-OZ7guV/uxa3jGesAh+ubrFjQSNVp5ImfXfPAQxagTj0=";
+    hash = "sha256-0usMg/xQZOzrLf2gIfNFtzj96cYVzq5gFaKTFLqyfK0=";
   };
 
-  patches = [
-    ./avx512.patch
-  ];
-
-  # Do not type-check assertions because some of them use unstable features (`is_none_or`)
-  postPatch = ''
-    while IFS= read -r -d "" path ; do
-      sed -i 's \(\s*\)debug_assert! \1#[cfg(debug_assertions)]\n\1debug_assert! ' "$path"
-    done < <( find -iname '*.rs' -print0 )
-  '';
-
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit pname version src;
-    hash = "sha256-yGTXUW6IVa+nRpmnkEl20/RJ/mxTSAaokETT8QLE+Ns=";
+    hash = "sha256-20AI4AGSxnmYitQjfwTFwxMBplEqvN4WXPFdoqJBgSg=";
   };
 
   requiredSystemFeatures = [ "big-parallel" ];
 
-  build-system = [ rustPlatform.maturinBuildHook ];
+  build-system = [
+    setuptools
+    build
+  ];
 
   nativeBuildInputs = [
     cargo
@@ -86,6 +79,7 @@ buildPythonPackage rec {
     rustPlatform.cargoSetupHook
     rustPlatform.cargoBuildHook
     rustPlatform.cargoInstallHook
+    rustPlatform.maturinBuildHook
     rustc
   ];
 
@@ -101,12 +95,8 @@ buildPythonPackage rec {
     # https://discourse.nixos.org/t/nixpkgs-rustplatform-and-nightly/22870
     RUSTC_BOOTSTRAP = true;
 
-    # Several `debug_assert!` statements use the unstable `Option::is_none_or` method
     RUSTFLAGS = lib.concatStringsSep " " (
-      [
-        "-Cdebug_assertions=n"
-      ]
-      ++ lib.optionals (polarsMemoryAllocator.pname == "mimalloc") [
+      lib.optionals (polarsMemoryAllocator.pname == "mimalloc") [
         "--cfg use_mimalloc"
       ]
     );
@@ -117,24 +107,17 @@ buildPythonPackage rec {
 
   maturinBuildFlags = [
     "-m"
-    "py-polars/Cargo.toml"
+    "py-polars/runtime/polars-runtime-32/Cargo.toml"
   ];
 
-  postInstall = ''
-    # Move polars.abi3.so -> polars.so
-    local polarsSo=""
-    local soName=""
-    while IFS= read -r -d "" p ; do
-      polarsSo=$p
-      soName="$(basename "$polarsSo")"
-      [[ "$soName" == polars.so ]] && break
-    done < <( find "$out" -iname "polars*.so" -print0 )
-    [[ -z "''${polarsSo:-}" ]] && echo "polars.so not found" >&2 && exit 1
-    if [[ "$soName" != polars.so ]] ; then
-      mv "$polarsSo" "$(dirname "$polarsSo")/polars.so"
-    fi
+  # maturin builds `_polars_runtime_32`, and we also need the pure-python `polars` wheel itself
+  preBuild = ''
+    pyproject-build --no-isolation --outdir dist/ --wheel py-polars
   '';
 
+  # Fails on polars -> polars-runtime-32 dependency between the two wheels
+  dontCheckRuntimeDeps = true;
+
   pythonImportsCheck = [
     "polars"
   ];
@@ -219,6 +202,7 @@ buildPythonPackage rec {
         ps.nest-asyncio
         ps.numpy
         ps.openpyxl
+        ps.orjson
         ps.pandas
         ps.pyarrow
         ps.pydantic
@@ -277,14 +261,16 @@ buildPythonPackage rec {
       "test_scan_credential_provider"
       "test_scan_credential_provider_serialization"
 
+      # Only connecting to localhost, but http URL scheme is disallowed
+      "test_scan_delta_loads_aws_profile_endpoint_url"
+
       # ModuleNotFoundError: ADBC 'adbc_driver_sqlite.dbapi' driver not detected.
       "test_read_database"
       "test_read_database_parameterised_uri"
 
       # Untriaged
-      "test_pickle_lazyframe_nested_function_udf"
-      "test_serde_udf"
-      "test_hash_struct"
+      "test_async_index_error_25209"
+      "test_parquet_schema_correctness"
     ];
     disabledTestPaths = [
       "tests/benchmark"
@@ -293,15 +279,11 @@ buildPythonPackage rec {
       # Internet access
       "tests/unit/io/cloud/test_credential_provider.py"
 
-      # Wrong altair version
-      "tests/unit/operations/namespaces/test_plot.py"
-
       # adbc
       "tests/unit/io/database/test_read.py"
 
-      # Untriaged
-      "tests/unit/cloud/test_prepare_cloud_plan.py"
-      "tests/unit/io/cloud/test_cloud.py"
+      # Requires pydantic 2.12
+      "tests/unit/io/test_iceberg.py"
     ];
 
     installPhase = "touch $out";
diff --git a/pkgs/development/python-modules/sqlframe/default.nix b/pkgs/development/python-modules/sqlframe/default.nix
index d9ef407e6dcd..d3306e2b2f66 100644
--- a/pkgs/development/python-modules/sqlframe/default.nix
+++ b/pkgs/development/python-modules/sqlframe/default.nix
@@ -38,14 +38,14 @@
 
 buildPythonPackage rec {
   pname = "sqlframe";
-  version = "3.43.7";
+  version = "3.43.8";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "eakmanrq";
     repo = "sqlframe";
     tag = "v${version}";
-    hash = "sha256-qrKNn13wFEqvMQYzHH8T1pga1EUaVIt701p0k4eXw9c=";
+    hash = "sha256-gsWA3aBolsR2zPwseHnQXSJRngXUHFGvi55UPevgUHw=";
   };
 
   build-system = [ setuptools-scm ];
diff --git a/pkgs/development/python-modules/sqlglot/default.nix b/pkgs/development/python-modules/sqlglot/default.nix
index 35e507549ccf..969ba7fc18ec 100644
--- a/pkgs/development/python-modules/sqlglot/default.nix
+++ b/pkgs/development/python-modules/sqlglot/default.nix
@@ -19,14 +19,14 @@
 
 buildPythonPackage rec {
   pname = "sqlglot";
-  version = "27.28.1";
+  version = "27.29.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     repo = "sqlglot";
     owner = "tobymao";
     tag = "v${version}";
-    hash = "sha256-DGpxKIlSRwKKXhZGDTTQb8a3iAzy8a7h9/PKHPCuq+g=";
+    hash = "sha256-kqtsZRtIIgQ0cTbhG5K4N+c3cq7I+Uvd+3s+b0CYLtg=";
   };
 
   build-system = [