From c35d5f64aa179ca843303399540e853430588d43 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Wed, 22 Jan 2025 11:23:19 -0800
Subject: [PATCH 01/10] CI: Update some CI configurations

---
 .github/workflows/unit-tests.yml | 34 +++++++++++++-------------------
 1 file changed, 14 insertions(+), 20 deletions(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 842629ba331d6..ea1a9915ea1f3 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -107,7 +107,7 @@ jobs:
 
     services:
       mysql:
-        image: mysql:8
+        image: mysql:9
         env:
           MYSQL_ALLOW_EMPTY_PASSWORD: yes
           MYSQL_DATABASE: pandas
@@ -120,7 +120,7 @@ jobs:
           - 3306:3306
 
       postgres:
-        image: postgres:16
+        image: postgres:17
         env:
           PGUSER: postgres
           POSTGRES_USER: postgres
@@ -135,7 +135,7 @@ jobs:
           - 5432:5432
 
       moto:
-        image: motoserver/moto:5.0.0
+        image: motoserver/moto:5.0.27
         env:
           AWS_ACCESS_KEY_ID: foobar_key
           AWS_SECRET_ACCESS_KEY: foobar_secret
@@ -242,15 +242,14 @@ jobs:
       - name: Build environment and Run Tests
         # https://github.com/numpy/numpy/issues/24703#issuecomment-1722379388
         run: |
-          /opt/python/cp311-cp311/bin/python -m venv ~/virtualenvs/pandas-dev
+          /opt/python/cp313-cp313/bin/python -m venv ~/virtualenvs/pandas-dev
           . ~/virtualenvs/pandas-dev/bin/activate
           python -m pip install --no-cache-dir -U pip wheel setuptools meson[ninja]==1.2.1 meson-python==0.13.1
           python -m pip install numpy -Csetup-args="-Dallow-noblas=true"
           python -m pip install --no-cache-dir versioneer[toml] cython python-dateutil pytest>=7.3.2 pytest-xdist>=3.4.0 hypothesis>=6.84.0
           python -m pip install --no-cache-dir --no-build-isolation -e . -Csetup-args="--werror"
           python -m pip list --no-cache-dir
-          export PANDAS_CI=1
-          python -m pytest -m 'not slow and not network and not clipboard and not single_cpu' pandas --junitxml=test-data.xml
+          PANDAS_CI=1 python -m pytest -m 'not slow and not network and not clipboard and not single_cpu' pandas --junitxml=test-data.xml
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
       group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-32bit
@@ -259,7 +258,7 @@ jobs:
   Linux-Musl:
     runs-on: ubuntu-22.04
     container:
-      image: quay.io/pypa/musllinux_1_1_x86_64
+      image: quay.io/pypa/musllinux_1_2_x86_64
     steps:
       - name: Checkout pandas Repo
         # actions/checkout does not work since it requires node
@@ -281,7 +280,7 @@ jobs:
           apk add musl-locales
       - name: Build environment
         run: |
-          /opt/python/cp311-cp311/bin/python -m venv ~/virtualenvs/pandas-dev
+          /opt/python/cp313-cp313/bin/python -m venv ~/virtualenvs/pandas-dev
           . ~/virtualenvs/pandas-dev/bin/activate
           python -m pip install --no-cache-dir -U pip wheel setuptools meson-python==0.13.1 meson[ninja]==1.2.1
           python -m pip install --no-cache-dir versioneer[toml] cython numpy python-dateutil pytest>=7.3.2 pytest-xdist>=3.4.0 hypothesis>=6.84.0
@@ -291,8 +290,7 @@ jobs:
       - name: Run Tests
         run: |
           . ~/virtualenvs/pandas-dev/bin/activate
-          export PANDAS_CI=1
-          python -m pytest -m 'not slow and not network and not clipboard and not single_cpu' pandas --junitxml=test-data.xml
+          PANDAS_CI=1 python -m pytest -m 'not slow and not network and not clipboard and not single_cpu' pandas --junitxml=test-data.xml
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
       group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-musl
@@ -350,15 +348,14 @@ jobs:
       - name: Set up Python Dev Version
         uses: actions/setup-python@v5
         with:
-          python-version: '3.13-dev'
+          python-version: '3.14-dev'
 
       - name: Build Environment
         run: |
           python --version
           python -m pip install --upgrade pip setuptools wheel meson[ninja]==1.2.1 meson-python==0.13.1
           python -m pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy
-          python -m pip install versioneer[toml]
-          python -m pip install python-dateutil tzdata cython hypothesis>=6.84.0 pytest>=7.3.2 pytest-xdist>=3.4.0 pytest-cov
+          python -m pip install versioneer[toml] python-dateutil tzdata cython hypothesis>=6.84.0 pytest>=7.3.2 pytest-xdist>=3.4.0 pytest-cov
           python -m pip install -ve . --no-build-isolation --no-index --no-deps -Csetup-args="--werror"
           python -m pip list
 
@@ -375,7 +372,7 @@ jobs:
 
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
-      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.os }}-python-freethreading-dev
+      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-python-freethreading-dev
       cancel-in-progress: true
 
     env:
@@ -396,14 +393,11 @@ jobs:
           nogil: true
 
       - name: Build Environment
-        # TODO: Once numpy 2.2.1 is out, don't install nightly version
-        # Tests segfault with numpy 2.2.0: https://github.com/numpy/numpy/pull/27955
         run: |
           python --version
-          python -m pip install --upgrade pip setuptools wheel meson[ninja]==1.2.1 meson-python==0.13.1
-          python -m pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple cython numpy
-          python -m pip install versioneer[toml]
-          python -m pip install python-dateutil pytz tzdata hypothesis>=6.84.0 pytest>=7.3.2 pytest-xdist>=3.4.0 pytest-cov
+          python -m pip install --upgrade pip setuptools wheel numpy meson[ninja]==1.2.1 meson-python==0.13.1
+          python -m pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple cython
+          python -m pip install versioneer[toml] python-dateutil pytz tzdata hypothesis>=6.84.0 pytest>=7.3.2 pytest-xdist>=3.4.0 pytest-cov
           python -m pip install -ve . --no-build-isolation --no-index --no-deps -Csetup-args="--werror"
           python -m pip list
 

From c685af4d5871c2ce455d81f8bf212dc0e2e31aa9 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Wed, 22 Jan 2025 13:31:15 -0800
Subject: [PATCH 02/10] Freeze Python dev

---
 .github/workflows/unit-tests.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index ea1a9915ea1f3..818c0eea6aade 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -316,7 +316,8 @@ jobs:
     #    To freeze this file, uncomment out the ``if: false`` condition, and migrate the jobs
     #    to the corresponding posix/windows-macos/sdist etc. workflows.
     # Feel free to modify this comment as necessary.
-    # if: false # Uncomment this to freeze the workflow, comment it to unfreeze
+     # Uncomment below to freeze the workflow, comment it to unfreeze
+    if: false
     defaults:
       run:
         shell: bash -eou pipefail {0}

From 91e27037785cce2eb47e05b3ef726dd16e14f2bf Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Wed, 22 Jan 2025 18:18:56 -0800
Subject: [PATCH 03/10] Add actions-313.yaml

---
 .github/workflows/unit-tests.yml |  4 +-
 ci/deps/actions-313.yaml         | 63 ++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+), 2 deletions(-)
 create mode 100644 ci/deps/actions-313.yaml

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 818c0eea6aade..9aebd71278cb9 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         platform: [ubuntu-22.04, ubuntu-24.04-arm]
-        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml]
+        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml, actions-313.yaml]
         # Prevent the include jobs from overriding other jobs
         pattern: [""]
         pandas_future_infer_string: ["0"]
@@ -188,7 +188,7 @@ jobs:
       matrix:
         # Note: Don't use macOS latest since macos 14 appears to be arm64 only
         os: [macos-13, macos-14, windows-latest]
-        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml]
+        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml, actions-312.yaml]
       fail-fast: false
     runs-on: ${{ matrix.os }}
     name: ${{ format('{0} {1}', matrix.os, matrix.env_file) }}
diff --git a/ci/deps/actions-313.yaml b/ci/deps/actions-313.yaml
new file mode 100644
index 0000000000000..1a69237825df2
--- /dev/null
+++ b/ci/deps/actions-313.yaml
@@ -0,0 +1,63 @@
+name: pandas-dev-313
+channels:
+  - conda-forge
+dependencies:
+  - python=3.13
+
+  # build dependencies
+  - versioneer
+  - cython>=0.29.33
+  - meson=1.2.1
+  - meson-python=0.13.1
+
+  # test dependencies
+  - pytest>=7.3.2
+  - pytest-cov
+  - pytest-xdist>=3.4.0
+  - pytest-localserver>=0.8.1
+  - pytest-qt>=4.4.0
+  - boto3
+
+  # required dependencies
+  - python-dateutil
+  - numpy
+
+  # optional dependencies
+  - beautifulsoup4>=4.11.2
+  - blosc>=1.21.3
+  - bottleneck>=1.3.6
+  - fastparquet>=2023.10.0
+  - fsspec>=2022.11.0
+  - html5lib>=1.1
+  - hypothesis>=6.84.0
+  - gcsfs>=2022.11.0
+  - jinja2>=3.1.2
+  - lxml>=4.9.2
+  - matplotlib>=3.6.3
+  - numba>=0.56.4
+  - numexpr>=2.8.4
+  - odfpy>=1.4.1
+  - qtpy>=2.3.0
+  - pyqt>=5.15.9
+  - openpyxl>=3.1.0
+  - psycopg2>=2.9.6
+  - pyarrow>=10.0.1
+  - pymysql>=1.0.2
+  - pyreadstat>=1.2.0
+  - pytables>=3.8.0
+  - python-calamine>=0.1.7
+  - pytz>=2023.4
+  - pyxlsb>=1.0.10
+  - s3fs>=2022.11.0
+  - scipy>=1.10.0
+  - sqlalchemy>=2.0.0
+  - tabulate>=0.9.0
+  - xarray>=2022.12.0, <=2024.9.0
+  - xlrd>=2.0.1
+  - xlsxwriter>=3.0.5
+  - zstandard>=0.19.0
+
+  - pip:
+    - adbc-driver-postgresql>=0.10.0
+    - adbc-driver-sqlite>=0.8.0
+    - tzdata>=2022.7

From 0f888e1476da8f46cacaf6e63b4a5cfc2a1a8365 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Wed, 22 Jan 2025 18:19:45 -0800
Subject: [PATCH 04/10] Add 3.13 yaml

---
 .github/workflows/unit-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 9aebd71278cb9..90857b71babf1 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -188,7 +188,7 @@ jobs:
       matrix:
         # Note: Don't use macOS latest since macos 14 appears to be arm64 only
         os: [macos-13, macos-14, windows-latest]
-        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml, actions-312.yaml]
+        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml, actions-313.yaml]
       fail-fast: false
     runs-on: ${{ matrix.os }}
     name: ${{ format('{0} {1}', matrix.os, matrix.env_file) }}

From c04039fff983db3a94f42e7e16c79cd824672757 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Thu, 23 Jan 2025 08:45:34 -0800
Subject: [PATCH 05/10] Move to pyside6 instead of pyqt

---
 ci/deps/actions-310-minimum_versions.yaml  | 2 +-
 ci/deps/actions-310.yaml                   | 2 +-
 ci/deps/actions-311-downstream_compat.yaml | 2 +-
 ci/deps/actions-311.yaml                   | 2 +-
 ci/deps/actions-312.yaml                   | 2 +-
 ci/deps/actions-313.yaml                   | 2 +-
 ci/deps/circle-311-arm64.yaml              | 2 +-
 environment.yml                            | 2 +-
 pandas/compat/_optional.py                 | 2 +-
 pyproject.toml                             | 4 ++--
 requirements-dev.txt                       | 2 +-
 scripts/generate_pip_deps_from_conda.py    | 2 +-
 scripts/tests/data/deps_minimum.toml       | 4 ++--
 scripts/validate_min_versions_in_sync.py   | 2 +-
 14 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/ci/deps/actions-310-minimum_versions.yaml b/ci/deps/actions-310-minimum_versions.yaml
index c7c72828db481..ece61ae35e075 100644
--- a/ci/deps/actions-310-minimum_versions.yaml
+++ b/ci/deps/actions-310-minimum_versions.yaml
@@ -44,7 +44,7 @@ dependencies:
   - psycopg2=2.9.6
   - pyarrow=10.0.1
   - pymysql=1.0.2
-  - pyqt=5.15.9
+  - pyside6=6.8.1
   - pyreadstat=1.2.0
   - pytables=3.8.0
   - python-calamine=0.1.7
diff --git a/ci/deps/actions-310.yaml b/ci/deps/actions-310.yaml
index 74cab4e0970dc..f7fd2ece4ce66 100644
--- a/ci/deps/actions-310.yaml
+++ b/ci/deps/actions-310.yaml
@@ -42,7 +42,7 @@ dependencies:
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
   - pymysql>=1.0.2
-  - pyqt>=5.15.9
+  - pyside6>=6.8.1
   - pyreadstat>=1.2.0
   - pytables>=3.8.0
   - python-calamine>=0.1.7
diff --git a/ci/deps/actions-311-downstream_compat.yaml b/ci/deps/actions-311-downstream_compat.yaml
index 092ca18d61259..52f68475bc744 100644
--- a/ci/deps/actions-311-downstream_compat.yaml
+++ b/ci/deps/actions-311-downstream_compat.yaml
@@ -43,7 +43,7 @@ dependencies:
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
   - pymysql>=1.0.2
-  - pyqt>=5.15.9
+  - pyside6>=6.8.1
   - pyreadstat>=1.2.0
   - pytables>=3.8.0
   - python-calamine>=0.1.7
diff --git a/ci/deps/actions-311.yaml b/ci/deps/actions-311.yaml
index b6f515dceaea9..1b253ac8f570b 100644
--- a/ci/deps/actions-311.yaml
+++ b/ci/deps/actions-311.yaml
@@ -38,7 +38,7 @@ dependencies:
   - numexpr>=2.8.4
   - odfpy>=1.4.1
   - qtpy>=2.3.0
-  - pyqt>=5.15.9
+  - pyside6>=6.8.1
   - openpyxl>=3.1.0
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
diff --git a/ci/deps/actions-312.yaml b/ci/deps/actions-312.yaml
index bc66f8a5382c9..80790b88efa6c 100644
--- a/ci/deps/actions-312.yaml
+++ b/ci/deps/actions-312.yaml
@@ -38,7 +38,7 @@ dependencies:
   - numexpr>=2.8.4
   - odfpy>=1.4.1
   - qtpy>=2.3.0
-  - pyqt>=5.15.9
+  - pyside6>=6.8.1
   - openpyxl>=3.1.0
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
diff --git a/ci/deps/actions-313.yaml b/ci/deps/actions-313.yaml
index 1a69237825df2..60cf6240e435a 100644
--- a/ci/deps/actions-313.yaml
+++ b/ci/deps/actions-313.yaml
@@ -38,7 +38,7 @@ dependencies:
   - numexpr>=2.8.4
   - odfpy>=1.4.1
   - qtpy>=2.3.0
-  - pyqt>=5.15.9
+  - pyside6>=6.8.1
   - openpyxl>=3.1.0
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
diff --git a/ci/deps/circle-311-arm64.yaml b/ci/deps/circle-311-arm64.yaml
index 3f09e27d0fe4b..bf4c87f5d3da8 100644
--- a/ci/deps/circle-311-arm64.yaml
+++ b/ci/deps/circle-311-arm64.yaml
@@ -42,7 +42,7 @@ dependencies:
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
   - pymysql>=1.0.2
-  - pyqt>=5.15.9
+  - pyside6>=6.8.1
   - pyreadstat>=1.2.0
   - pytables>=3.8.0
   - python-calamine>=0.1.7
diff --git a/environment.yml b/environment.yml
index 69647a436e3ad..880b3e1f27736 100644
--- a/environment.yml
+++ b/environment.yml
@@ -18,7 +18,7 @@ dependencies:
   - pytest-xdist>=3.4.0
   - pytest-qt>=4.4.0
   - pytest-localserver
-  - pyqt>=5.15.9
+  - pyside6>=6.8.1
   - coverage
 
   # required dependencies
diff --git a/pandas/compat/_optional.py b/pandas/compat/_optional.py
index 6b90389a62056..2b2a25c2cde68 100644
--- a/pandas/compat/_optional.py
+++ b/pandas/compat/_optional.py
@@ -56,7 +56,7 @@
     "zstandard": "0.19.0",
     "tzdata": "2022.7",
     "qtpy": "2.3.0",
-    "pyqt5": "5.15.9",
+    "pyside6": "6.8.1",
 }
 
 # A mapping from import name to package name (on PyPI) for packages where
diff --git a/pyproject.toml b/pyproject.toml
index 7ab9cd2c17669..8556d3b26c099 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -79,7 +79,7 @@ html = ['beautifulsoup4>=4.11.2', 'html5lib>=1.1', 'lxml>=4.9.2']
 xml = ['lxml>=4.9.2']
 plot = ['matplotlib>=3.6.3']
 output-formatting = ['jinja2>=3.1.2', 'tabulate>=0.9.0']
-clipboard = ['PyQt5>=5.15.9', 'qtpy>=2.3.0']
+clipboard = ['PySide6>=6.8.1', 'qtpy>=2.3.0']
 compression = ['zstandard>=0.19.0']
 timezone = ['pytz>=2023.4']
 all = ['adbc-driver-postgresql>=0.10.0',
@@ -103,7 +103,7 @@ all = ['adbc-driver-postgresql>=0.10.0',
        'psycopg2>=2.9.6',
        'pyarrow>=10.0.1',
        'pymysql>=1.0.2',
-       'PyQt5>=5.15.9',
+       'PySide6>=6.8.1',
        'pyreadstat>=1.2.0',
        'pytest>=7.3.2',
        'pytest-xdist>=3.4.0',
diff --git a/requirements-dev.txt b/requirements-dev.txt
index fb4d9cdb589ca..550c3daaf6e7e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -11,7 +11,7 @@ pytest-cov
 pytest-xdist>=3.4.0
 pytest-qt>=4.4.0
 pytest-localserver
-PyQt5>=5.15.9
+PySide6>=6.8.1
 coverage
 python-dateutil
 numpy<2
diff --git a/scripts/generate_pip_deps_from_conda.py b/scripts/generate_pip_deps_from_conda.py
index a57876902ad36..949c1f5aa2d2e 100755
--- a/scripts/generate_pip_deps_from_conda.py
+++ b/scripts/generate_pip_deps_from_conda.py
@@ -33,7 +33,7 @@
     "dask-core": "dask",
     "seaborn-base": "seaborn",
     "sqlalchemy": "SQLAlchemy",
-    "pyqt": "PyQt5",
+    "pyside6": "PySide6",
 }
 
 
diff --git a/scripts/tests/data/deps_minimum.toml b/scripts/tests/data/deps_minimum.toml
index 0a53225a5d995..b7090bfbdb297 100644
--- a/scripts/tests/data/deps_minimum.toml
+++ b/scripts/tests/data/deps_minimum.toml
@@ -74,7 +74,7 @@ html = ['beautifulsoup4>=4.9.3', 'html5lib>=1.1', 'lxml>=4.6.3']
 xml = ['lxml>=4.6.3']
 plot = ['matplotlib>=3.6.1']
 output_formatting = ['jinja2>=3.0.0', 'tabulate>=0.8.9']
-clipboard = ['PyQt5>=5.15.1', 'qtpy>=2.3.0']
+clipboard = ['PySide6>=6.8.1', 'qtpy>=2.3.0']
 compression = ['zstandard>=0.15.2']
 all = ['beautifulsoup4>=5.9.3',
        # blosc only available on conda (https://github.com/Blosc/python-blosc/issues/297)
@@ -95,7 +95,7 @@ all = ['beautifulsoup4>=5.9.3',
        'psycopg2>=2.8.6',
        'pyarrow>=7.0.0',
        'pymysql>=1.0.2',
-       'PyQt5>=5.15.1',
+       'PySide6>=6.8.1',
        'pyreadstat>=1.1.2',
        'pytest>=7.3.2',
        'pytest-xdist>=3.4.0',
diff --git a/scripts/validate_min_versions_in_sync.py b/scripts/validate_min_versions_in_sync.py
index 1001b00450354..fc6ec9e1b22e1 100755
--- a/scripts/validate_min_versions_in_sync.py
+++ b/scripts/validate_min_versions_in_sync.py
@@ -36,7 +36,7 @@
 SETUP_PATH = pathlib.Path("pyproject.toml").resolve()
 YAML_PATH = pathlib.Path("ci/deps")
 ENV_PATH = pathlib.Path("environment.yml")
-EXCLUDE_DEPS = {"tzdata", "blosc", "pyqt", "pyqt5"}
+EXCLUDE_DEPS = {"tzdata", "blosc"}
 EXCLUSION_LIST = frozenset(["python=3.8[build=*_pypy]"])
 # pandas package is not available
 # in pre-commit environment

From 47630996d7b83210051b6a301169abce7ef42937 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Thu, 23 Jan 2025 08:57:43 -0800
Subject: [PATCH 06/10] Revert "Move to pyside6 instead of pyqt"

This reverts commit c04039fff983db3a94f42e7e16c79cd824672757.
---
 ci/deps/actions-310-minimum_versions.yaml  | 2 +-
 ci/deps/actions-310.yaml                   | 2 +-
 ci/deps/actions-311-downstream_compat.yaml | 2 +-
 ci/deps/actions-311.yaml                   | 2 +-
 ci/deps/actions-312.yaml                   | 2 +-
 ci/deps/actions-313.yaml                   | 2 +-
 ci/deps/circle-311-arm64.yaml              | 2 +-
 environment.yml                            | 2 +-
 pandas/compat/_optional.py                 | 2 +-
 pyproject.toml                             | 4 ++--
 requirements-dev.txt                       | 2 +-
 scripts/generate_pip_deps_from_conda.py    | 2 +-
 scripts/tests/data/deps_minimum.toml       | 4 ++--
 scripts/validate_min_versions_in_sync.py   | 2 +-
 14 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/ci/deps/actions-310-minimum_versions.yaml b/ci/deps/actions-310-minimum_versions.yaml
index ece61ae35e075..c7c72828db481 100644
--- a/ci/deps/actions-310-minimum_versions.yaml
+++ b/ci/deps/actions-310-minimum_versions.yaml
@@ -44,7 +44,7 @@ dependencies:
   - psycopg2=2.9.6
   - pyarrow=10.0.1
   - pymysql=1.0.2
-  - pyside6=6.8.1
+  - pyqt=5.15.9
   - pyreadstat=1.2.0
   - pytables=3.8.0
   - python-calamine=0.1.7
diff --git a/ci/deps/actions-310.yaml b/ci/deps/actions-310.yaml
index f7fd2ece4ce66..74cab4e0970dc 100644
--- a/ci/deps/actions-310.yaml
+++ b/ci/deps/actions-310.yaml
@@ -42,7 +42,7 @@ dependencies:
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
   - pymysql>=1.0.2
-  - pyside6>=6.8.1
+  - pyqt>=5.15.9
   - pyreadstat>=1.2.0
   - pytables>=3.8.0
   - python-calamine>=0.1.7
diff --git a/ci/deps/actions-311-downstream_compat.yaml b/ci/deps/actions-311-downstream_compat.yaml
index 52f68475bc744..092ca18d61259 100644
--- a/ci/deps/actions-311-downstream_compat.yaml
+++ b/ci/deps/actions-311-downstream_compat.yaml
@@ -43,7 +43,7 @@ dependencies:
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
   - pymysql>=1.0.2
-  - pyside6>=6.8.1
+  - pyqt>=5.15.9
   - pyreadstat>=1.2.0
   - pytables>=3.8.0
   - python-calamine>=0.1.7
diff --git a/ci/deps/actions-311.yaml b/ci/deps/actions-311.yaml
index 1b253ac8f570b..b6f515dceaea9 100644
--- a/ci/deps/actions-311.yaml
+++ b/ci/deps/actions-311.yaml
@@ -38,7 +38,7 @@ dependencies:
   - numexpr>=2.8.4
   - odfpy>=1.4.1
   - qtpy>=2.3.0
-  - pyside6>=6.8.1
+  - pyqt>=5.15.9
   - openpyxl>=3.1.0
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
diff --git a/ci/deps/actions-312.yaml b/ci/deps/actions-312.yaml
index 80790b88efa6c..bc66f8a5382c9 100644
--- a/ci/deps/actions-312.yaml
+++ b/ci/deps/actions-312.yaml
@@ -38,7 +38,7 @@ dependencies:
   - numexpr>=2.8.4
   - odfpy>=1.4.1
   - qtpy>=2.3.0
-  - pyside6>=6.8.1
+  - pyqt>=5.15.9
   - openpyxl>=3.1.0
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
diff --git a/ci/deps/actions-313.yaml b/ci/deps/actions-313.yaml
index 60cf6240e435a..1a69237825df2 100644
--- a/ci/deps/actions-313.yaml
+++ b/ci/deps/actions-313.yaml
@@ -38,7 +38,7 @@ dependencies:
   - numexpr>=2.8.4
   - odfpy>=1.4.1
   - qtpy>=2.3.0
-  - pyside6>=6.8.1
+  - pyqt>=5.15.9
   - openpyxl>=3.1.0
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
diff --git a/ci/deps/circle-311-arm64.yaml b/ci/deps/circle-311-arm64.yaml
index bf4c87f5d3da8..3f09e27d0fe4b 100644
--- a/ci/deps/circle-311-arm64.yaml
+++ b/ci/deps/circle-311-arm64.yaml
@@ -42,7 +42,7 @@ dependencies:
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
   - pymysql>=1.0.2
-  - pyside6>=6.8.1
+  - pyqt>=5.15.9
   - pyreadstat>=1.2.0
   - pytables>=3.8.0
   - python-calamine>=0.1.7
diff --git a/environment.yml b/environment.yml
index 880b3e1f27736..69647a436e3ad 100644
--- a/environment.yml
+++ b/environment.yml
@@ -18,7 +18,7 @@ dependencies:
   - pytest-xdist>=3.4.0
   - pytest-qt>=4.4.0
   - pytest-localserver
-  - pyside6>=6.8.1
+  - pyqt>=5.15.9
   - coverage
 
   # required dependencies
diff --git a/pandas/compat/_optional.py b/pandas/compat/_optional.py
index 2b2a25c2cde68..6b90389a62056 100644
--- a/pandas/compat/_optional.py
+++ b/pandas/compat/_optional.py
@@ -56,7 +56,7 @@
     "zstandard": "0.19.0",
     "tzdata": "2022.7",
     "qtpy": "2.3.0",
-    "pyside6": "6.8.1",
+    "pyqt5": "5.15.9",
 }
 
 # A mapping from import name to package name (on PyPI) for packages where
diff --git a/pyproject.toml b/pyproject.toml
index 8556d3b26c099..7ab9cd2c17669 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -79,7 +79,7 @@ html = ['beautifulsoup4>=4.11.2', 'html5lib>=1.1', 'lxml>=4.9.2']
 xml = ['lxml>=4.9.2']
 plot = ['matplotlib>=3.6.3']
 output-formatting = ['jinja2>=3.1.2', 'tabulate>=0.9.0']
-clipboard = ['PySide6>=6.8.1', 'qtpy>=2.3.0']
+clipboard = ['PyQt5>=5.15.9', 'qtpy>=2.3.0']
 compression = ['zstandard>=0.19.0']
 timezone = ['pytz>=2023.4']
 all = ['adbc-driver-postgresql>=0.10.0',
@@ -103,7 +103,7 @@ all = ['adbc-driver-postgresql>=0.10.0',
        'psycopg2>=2.9.6',
        'pyarrow>=10.0.1',
        'pymysql>=1.0.2',
-       'PySide6>=6.8.1',
+       'PyQt5>=5.15.9',
        'pyreadstat>=1.2.0',
        'pytest>=7.3.2',
        'pytest-xdist>=3.4.0',
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 550c3daaf6e7e..fb4d9cdb589ca 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -11,7 +11,7 @@ pytest-cov
 pytest-xdist>=3.4.0
 pytest-qt>=4.4.0
 pytest-localserver
-PySide6>=6.8.1
+PyQt5>=5.15.9
 coverage
 python-dateutil
 numpy<2
diff --git a/scripts/generate_pip_deps_from_conda.py b/scripts/generate_pip_deps_from_conda.py
index 949c1f5aa2d2e..a57876902ad36 100755
--- a/scripts/generate_pip_deps_from_conda.py
+++ b/scripts/generate_pip_deps_from_conda.py
@@ -33,7 +33,7 @@
     "dask-core": "dask",
     "seaborn-base": "seaborn",
     "sqlalchemy": "SQLAlchemy",
-    "pyside6": "PySide6",
+    "pyqt": "PyQt5",
 }
 
 
diff --git a/scripts/tests/data/deps_minimum.toml b/scripts/tests/data/deps_minimum.toml
index b7090bfbdb297..0a53225a5d995 100644
--- a/scripts/tests/data/deps_minimum.toml
+++ b/scripts/tests/data/deps_minimum.toml
@@ -74,7 +74,7 @@ html = ['beautifulsoup4>=4.9.3', 'html5lib>=1.1', 'lxml>=4.6.3']
 xml = ['lxml>=4.6.3']
 plot = ['matplotlib>=3.6.1']
 output_formatting = ['jinja2>=3.0.0', 'tabulate>=0.8.9']
-clipboard = ['PySide6>=6.8.1', 'qtpy>=2.3.0']
+clipboard = ['PyQt5>=5.15.1', 'qtpy>=2.3.0']
 compression = ['zstandard>=0.15.2']
 all = ['beautifulsoup4>=5.9.3',
        # blosc only available on conda (https://github.com/Blosc/python-blosc/issues/297)
@@ -95,7 +95,7 @@ all = ['beautifulsoup4>=5.9.3',
        'psycopg2>=2.8.6',
        'pyarrow>=7.0.0',
        'pymysql>=1.0.2',
-       'PySide6>=6.8.1',
+       'PyQt5>=5.15.1',
        'pyreadstat>=1.1.2',
        'pytest>=7.3.2',
        'pytest-xdist>=3.4.0',
diff --git a/scripts/validate_min_versions_in_sync.py b/scripts/validate_min_versions_in_sync.py
index fc6ec9e1b22e1..1001b00450354 100755
--- a/scripts/validate_min_versions_in_sync.py
+++ b/scripts/validate_min_versions_in_sync.py
@@ -36,7 +36,7 @@
 SETUP_PATH = pathlib.Path("pyproject.toml").resolve()
 YAML_PATH = pathlib.Path("ci/deps")
 ENV_PATH = pathlib.Path("environment.yml")
-EXCLUDE_DEPS = {"tzdata", "blosc"}
+EXCLUDE_DEPS = {"tzdata", "blosc", "pyqt", "pyqt5"}
 EXCLUSION_LIST = frozenset(["python=3.8[build=*_pypy]"])
 # pandas package is not available
 # in pre-commit environment

From 6a3d0fcf5d21846424d07219b1a3cc1932a2d949 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Thu, 23 Jan 2025 08:58:24 -0800
Subject: [PATCH 07/10] Revert "Add 3.13 yaml"

This reverts commit 0f888e1476da8f46cacaf6e63b4a5cfc2a1a8365.
---
 .github/workflows/unit-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 90857b71babf1..9aebd71278cb9 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -188,7 +188,7 @@ jobs:
       matrix:
         # Note: Don't use macOS latest since macos 14 appears to be arm64 only
         os: [macos-13, macos-14, windows-latest]
-        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml, actions-313.yaml]
+        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml, actions-312.yaml]
       fail-fast: false
     runs-on: ${{ matrix.os }}
     name: ${{ format('{0} {1}', matrix.os, matrix.env_file) }}

From 9ab8f4a841dc584de2402a8f6b30b35ccd8df4b5 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Thu, 23 Jan 2025 08:58:25 -0800
Subject: [PATCH 08/10] Revert "Add actions-313.yaml"

This reverts commit 91e27037785cce2eb47e05b3ef726dd16e14f2bf.
---
 .github/workflows/unit-tests.yml |  4 +-
 ci/deps/actions-313.yaml         | 63 --------------------------------
 2 files changed, 2 insertions(+), 65 deletions(-)
 delete mode 100644 ci/deps/actions-313.yaml

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 9aebd71278cb9..818c0eea6aade 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         platform: [ubuntu-22.04, ubuntu-24.04-arm]
-        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml, actions-313.yaml]
+        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml]
         # Prevent the include jobs from overriding other jobs
         pattern: [""]
         pandas_future_infer_string: ["0"]
@@ -188,7 +188,7 @@ jobs:
       matrix:
         # Note: Don't use macOS latest since macos 14 appears to be arm64 only
         os: [macos-13, macos-14, windows-latest]
-        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml, actions-312.yaml]
+        env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml]
       fail-fast: false
     runs-on: ${{ matrix.os }}
     name: ${{ format('{0} {1}', matrix.os, matrix.env_file) }}
diff --git a/ci/deps/actions-313.yaml b/ci/deps/actions-313.yaml
deleted file mode 100644
index 1a69237825df2..0000000000000
--- a/ci/deps/actions-313.yaml
+++ /dev/null
@@ -1,63 +0,0 @@
-name: pandas-dev-313
-channels:
-  - conda-forge
-dependencies:
-  - python=3.13
-
-  # build dependencies
-  - versioneer
-  - cython>=0.29.33
-  - meson=1.2.1
-  - meson-python=0.13.1
-
-  # test dependencies
-  - pytest>=7.3.2
-  - pytest-cov
-  - pytest-xdist>=3.4.0
-  - pytest-localserver>=0.8.1
-  - pytest-qt>=4.4.0
-  - boto3
-
-  # required dependencies
-  - python-dateutil
-  - numpy
-
-  # optional dependencies
-  - beautifulsoup4>=4.11.2
-  - blosc>=1.21.3
-  - bottleneck>=1.3.6
-  - fastparquet>=2023.10.0
-  - fsspec>=2022.11.0
-  - html5lib>=1.1
-  - hypothesis>=6.84.0
-  - gcsfs>=2022.11.0
-  - jinja2>=3.1.2
-  - lxml>=4.9.2
-  - matplotlib>=3.6.3
-  - numba>=0.56.4
-  - numexpr>=2.8.4
-  - odfpy>=1.4.1
-  - qtpy>=2.3.0
-  - pyqt>=5.15.9
-  - openpyxl>=3.1.0
-  - psycopg2>=2.9.6
-  - pyarrow>=10.0.1
-  - pymysql>=1.0.2
-  - pyreadstat>=1.2.0
-  - pytables>=3.8.0
-  - python-calamine>=0.1.7
-  - pytz>=2023.4
-  - pyxlsb>=1.0.10
-  - s3fs>=2022.11.0
-  - scipy>=1.10.0
-  - sqlalchemy>=2.0.0
-  - tabulate>=0.9.0
-  - xarray>=2022.12.0, <=2024.9.0
-  - xlrd>=2.0.1
-  - xlsxwriter>=3.0.5
-  - zstandard>=0.19.0
-
-  - pip:
-    - adbc-driver-postgresql>=0.10.0
-    - adbc-driver-sqlite>=0.8.0
-    - tzdata>=2022.7

From 505b36690b6047fd734ff50ee90eba313bff5c1f Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Thu, 23 Jan 2025 08:59:05 -0800
Subject: [PATCH 09/10] Revert "Freeze Python dev"

This reverts commit c685af4d5871c2ce455d81f8bf212dc0e2e31aa9.
---
 .github/workflows/unit-tests.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 818c0eea6aade..ea1a9915ea1f3 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -316,8 +316,7 @@ jobs:
     #    To freeze this file, uncomment out the ``if: false`` condition, and migrate the jobs
     #    to the corresponding posix/windows-macos/sdist etc. workflows.
     # Feel free to modify this comment as necessary.
-     # Uncomment below to freeze the workflow, comment it to unfreeze
-    if: false
+    # if: false # Uncomment this to freeze the workflow, comment it to unfreeze
     defaults:
       run:
         shell: bash -eou pipefail {0}

From 4ae14d1c6155699ab4b2efadf424677d5f59d47e Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Thu, 23 Jan 2025 08:59:59 -0800
Subject: [PATCH 10/10] Move back to python 3.13 dev

---
 .github/workflows/unit-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index ea1a9915ea1f3..08c41a1eeb21f 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -348,7 +348,7 @@ jobs:
       - name: Set up Python Dev Version
         uses: actions/setup-python@v5
         with:
-          python-version: '3.14-dev'
+          python-version: '3.13-dev'
 
       - name: Build Environment
         run: |