diff --git a/pkgs/development/python-modules/jupysql/default.nix b/pkgs/development/python-modules/jupysql/default.nix
index a7a43b3c7874..c9e255aba086 100644
--- a/pkgs/development/python-modules/jupysql/default.nix
+++ b/pkgs/development/python-modules/jupysql/default.nix
@@ -38,15 +38,15 @@
 
 buildPythonPackage rec {
   pname = "jupysql";
-  version = "0.38";
+  version = "0.11.1";
 
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "ploomber";
     repo = "jupysql";
-    tag = "v${version}";
-    hash = "sha256-Z132bGkjXUNPIscIfIM8FKRO0Uc/z4Sl932CVN8f3lc=";
+    tag = version;
+    hash = "sha256-7wfKvKqDf8LlUiLoevNRxmq8x5wLheOgIeWz72oFcuw=";
   };
 
   pythonRelaxDeps = [ "sqlalchemy" ];
@@ -62,7 +62,8 @@ buildPythonPackage rec {
     sqlalchemy
     sqlglot
     sqlparse
-  ];
+  ]
+  ++ pyspark.optional-dependencies.connect;
 
   optional-dependencies.dev = [
     duckdb
@@ -128,10 +129,13 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "sql" ];
 
+  # python-update-script picks up an 11-year old 0.38 over the current version
+  passthru.skipBulkUpdate = true;
+
   meta = {
     description = "Better SQL in Jupyter";
     homepage = "https://github.com/ploomber/jupysql";
-    changelog = "https://github.com/ploomber/jupysql/blob/${src.tag}/CHANGELOG.md";
+    changelog = "https://github.com/ploomber/jupysql/blob/${version}/CHANGELOG.md";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ euxane ];
   };
diff --git a/pkgs/development/python-modules/ploomber-core/default.nix b/pkgs/development/python-modules/ploomber-core/default.nix
index 52907f3127d1..e5309fe2d953 100644
--- a/pkgs/development/python-modules/ploomber-core/default.nix
+++ b/pkgs/development/python-modules/ploomber-core/default.nix
@@ -6,10 +6,11 @@
   pyyaml,
   posthog,
   pytestCheckHook,
+  pythonAtLeast,
   typing-extensions,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "ploomber-core";
   version = "0.2.27";
   pyproject = true;
@@ -17,7 +18,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "ploomber";
     repo = "core";
-    tag = version;
+    tag = finalAttrs.version;
     hash = "sha256-/HlJxaxsGbZ1UIJNwDdzJLR4bey7bv/qsmFmVi8eWjQ=";
   };
 
@@ -36,13 +37,18 @@ buildPythonPackage rec {
     "exceptions" # requires stderr capture
   ];
 
+  disabledTestPaths = lib.optionals (pythonAtLeast "3.14") [
+    # Depends on pre-3.14 attribute access
+    "tests/test_config.py"
+  ];
+
   pythonImportsCheck = [ "ploomber_core" ];
 
   meta = {
     description = "Core module shared across Ploomber projects";
     homepage = "https://github.com/ploomber/core";
-    changelog = "https://github.com/ploomber/core/blob/${src.tag}/CHANGELOG.md";
+    changelog = "https://github.com/ploomber/core/blob/${finalAttrs.src.tag}/CHANGELOG.md";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ euxane ];
   };
-}
+})
diff --git a/pkgs/development/python-modules/ploomber-extension/default.nix b/pkgs/development/python-modules/ploomber-extension/default.nix
deleted file mode 100644
index 4031e91d4a97..000000000000
--- a/pkgs/development/python-modules/ploomber-extension/default.nix
+++ /dev/null
@@ -1,52 +0,0 @@
-{
-  lib,
-  stdenv,
-  buildPythonPackage,
-  fetchPypi,
-  hatchling,
-  hatch-jupyter-builder,
-  hatch-nodejs-version,
-  jupyterlab,
-  ploomber-core,
-  pytestCheckHook,
-  pytest-jupyter,
-}:
-
-buildPythonPackage rec {
-  pname = "ploomber-extension";
-  version = "0.1.1";
-  pyproject = true;
-
-  # using pypi archive which includes pre-built assets
-  src = fetchPypi {
-    pname = "ploomber_extension";
-    inherit version;
-    hash = "sha256-wsldqLhJfOESH9aMMzz1Y/FXofHyfgrl81O95NePXSA=";
-  };
-
-  build-system = [
-    hatchling
-    hatch-jupyter-builder
-    hatch-nodejs-version
-    jupyterlab
-  ];
-
-  dependencies = [ ploomber-core ];
-
-  nativeCheckInputs = [
-    pytestCheckHook
-    pytest-jupyter
-  ];
-
-  # Tests fail on Darwin when sandboxed
-  doCheck = !stdenv.buildPlatform.isDarwin;
-
-  pythonImportsCheck = [ "ploomber_extension" ];
-
-  meta = {
-    description = "Ploomber extension";
-    homepage = "https://pypi.org/project/ploomber-extension";
-    license = lib.licenses.bsd3;
-    maintainers = [ lib.maintainers.euxane ];
-  };
-}
diff --git a/pkgs/development/python-modules/pyspark/default.nix b/pkgs/development/python-modules/pyspark/default.nix
index ebb7207be285..3ad86e432a60 100644
--- a/pkgs/development/python-modules/pyspark/default.nix
+++ b/pkgs/development/python-modules/pyspark/default.nix
@@ -2,30 +2,41 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+
+  # build-system
+  setuptools,
+
+  # dependencies
+  py4j,
+
+  # optional-dependencies
+  googleapis-common-protos,
+  graphviz,
+  grpcio-status,
+  grpcio,
   numpy,
   pandas,
-  py4j,
   pyarrow,
+  zstandard,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pyspark";
   version = "4.1.1";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     hash = "sha256-d/eJhKqE++hlxxfdN7SZE7TlyX1272gk+TLxrvpmIew=";
   };
 
   # pypandoc is broken with pandoc2, so we just lose docs.
   postPatch = ''
     sed -i "s/'pypandoc'//" setup.py
-
-    substituteInPlace setup.py \
-      --replace py4j== 'py4j>='
   '';
 
+  build-system = [ setuptools ];
+
   postFixup = ''
     # find_python_home.py has been wrapped as a shell script
     substituteInPlace $out/bin/find-spark-home \
@@ -37,13 +48,26 @@ buildPythonPackage rec {
                   'export PYTHONPATH="''${SPARK_HOME}/..:''${SPARK_HOME}/python/:$PYTHONPATH"'
   '';
 
-  propagatedBuildInputs = [ py4j ];
+  dependencies = [ py4j ];
 
   optional-dependencies = {
+    connect = [
+      pandas
+      pyarrow
+      grpcio
+      grpcio-status
+      googleapis-common-protos
+      zstandard
+      graphviz
+    ];
     ml = [ numpy ];
     mllib = [ numpy ];
+    pandas_on_spark = [
+      pandas
+      pyarrow
+    ];
+    pipelines = finalAttrs.optional-dependencies.connect ++ finalAttrs.optional-dependencies.sql;
     sql = [
-      numpy
       pandas
       pyarrow
     ];
@@ -62,6 +86,9 @@ buildPythonPackage rec {
       binaryBytecode
     ];
     license = lib.licenses.asl20;
-    maintainers = with lib.maintainers; [ shlevy ];
+    maintainers = with lib.maintainers; [
+      sarahec
+      shlevy
+    ];
   };
-}
+})
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index dc644c06733c..7d8a1c819270 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -342,6 +342,7 @@ mapAliases {
   pillow-avif-plugin = throw "'pillow-avif-plugin' has been removed because 'pillow' has native avif support since 11.3"; # added 2025-11-26
   pizzapi = throw "pizzapi was removed because it no longer works"; # added 2025-12-03
   pkuseg = throw "'pkuseg' has been removed because it was not supported on newer versions of Python"; # added 2026-01-20
+  ploomber-extension = throw "'ploomber-extension' has been removed since the upstream repo was archived"; # added 2026-02-16
   plumlightpad = throw "plumlightpad has been removed because the API was shut down"; # added 2025-11-04
   Polygon3 = throw "'Polygon3' has been renamed to/replaced by 'polygon3'"; # Converted to throw 2025-10-29
   posix_ipc = throw "'posix_ipc' has been renamed to/replaced by 'posix-ipc'"; # Converted to throw 2025-10-29
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index b95b8347272f..9f2ad14298c3 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -12453,8 +12453,6 @@ self: super: with self; {
 
   ploomber-core = callPackage ../development/python-modules/ploomber-core { };
 
-  ploomber-extension = callPackage ../development/python-modules/ploomber-extension { };
-
   plopp = callPackage ../development/python-modules/plopp { };
 
   plotext = callPackage ../development/python-modules/plotext { };