Issues

• MNT: Remove not so meaningful tests for PDF draw_path_collection

  backend: pdfstatus: needs rebasetopic: testing
  Unread
  matplotlib/matplotlib#32001·yuzie007 opened Jul 5, 2026 · Updated Sep 4, 2026
  3

• TST: Update pgf test image for latest Ghostscript

  backend: pgfstatus: needs rebasetopic: testing
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  matplotlib/matplotlib#31785·QuLogic opened May 30, 2026 · Updated Sep 3, 2026·Draft
  1

• TST: Isolate Qt tests in subprocesses to fix QApplication leakage

  GUI: Qttopic: testing
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  matplotlib/matplotlib#31072·KR-LSB opened Feb 4, 2026 · Updated Feb 7, 2026
  2

• TST: Any loaded backend may break CallbackRegistry exception tests

  topic: testing
  matplotlib/matplotlib#31049 · Filter by author QuLogic opened on Jan 30, 2026
  1

• [Bug]: Recent test_determinism_check flakiness

  topic: testing
  matplotlib/matplotlib#30360 · Filter by author QuLogic opened on Jul 26, 2025
  5

• Use antialiasing when comparing pdf files

  backend: pdfstatus: needs rebasetopic: testing
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  matplotlib/matplotlib#30068·jkseppan opened May 18, 2025 · Updated Jul 9, 2026·Draft
  2

• ci: Re-add tests with optimization enabled

  CI: testingstatus: needs rebasetopic: testing
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  matplotlib/matplotlib#29549·QuLogic opened Jan 30, 2025 · Updated Mar 23, 2026
  2

• [Bug]: to_rgba_array("none") returns empty array

  topic: color/color & colormapstopic: testing
  matplotlib/matplotlib#28475 · Filter by author story645 opened on Jun 27, 2024
  3

• test_tripcolor (Issue #26864) plots with datetime on x-axis only , y-axis only, and both x- and y-axis

  topic: date handlingtopic: testingtopic: units and array ducktypes
  Unread
  matplotlib/matplotlib#27491·bikegeek opened Dec 10, 2023 · Updated Aug 3, 2025
  7

• Attempted to add test_pcolorfast in test_datetime.py

  topic: testing
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  matplotlib/matplotlib#27450·AndyXi163 opened Dec 6, 2023 · Updated Dec 22, 2023
  5

• Added test_loglog in test_datetime.py

  topic: date handlingtopic: testingtopic: transforms and scalestopic: units and array ducktypes
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  matplotlib/matplotlib#27435·dchen2438 opened Dec 4, 2023 · Updated Aug 3, 2025
  4

• Added test_pcolormesh in test_datetime.py

  topic: date handlingtopic: testingtopic: units and array ducktypes
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  matplotlib/matplotlib#27433·nidaa-7 opened Dec 4, 2023 · Updated Aug 3, 2025
  1

• Added test_hist2d

  topic: testing
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  matplotlib/matplotlib#27418·rupink opened Dec 1, 2023 · Updated Dec 8, 2023
  9

• Add test_quiver in test_datetime.py

  status: needs rebasetopic: testing
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  matplotlib/matplotlib#27407·rawwash opened Nov 30, 2023 · Updated Mar 3, 2025
  5

• Added test_pcolor in test_datetime.py

  topic: date handlingtopic: testingtopic: units and array ducktypes
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  matplotlib/matplotlib#27391·rawwash opened Nov 29, 2023 · Updated Aug 3, 2025
  10

• [TST] Added test_axlines in test_datetime.py

  topic: date handlingtopic: testingtopic: units and array ducktypes
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  matplotlib/matplotlib#27326·samchan2022 opened Nov 14, 2023 · Updated Aug 3, 2025
  4

• Add test_semilogx and test_semilogy tests to test_datetime

  topic: date handlingtopic: testing
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  matplotlib/matplotlib#27320·dwilliams27 opened Nov 14, 2023 · Updated Nov 14, 2023
  5

• [MNT]: Add more tests for FT2Font.load_char

  Maintenancetopic: testingtopic: text
  matplotlib/matplotlib#27115 · Filter by author story645 opened on Oct 17, 2023
  2

• [TST]: increase unit test coverage

  mentored: hackathontopic: testingtopic: units and array ducktypes
  matplotlib/matplotlib#26864 · Filter by author tacaswell opened on Sep 21, 2023 · future releases
  67

• Add test for tight layout of axis artist

  status: inactivestatus: needs rebasetopic: mpl_toolkittopic: testing
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  matplotlib/matplotlib#24665·oscargus opened Dec 8, 2022 · Updated May 8, 2026·Draft
  1

• Cleanup and add test for Axis

  Maintenancestatus: inactivestatus: needs rebasetopic: testing
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  matplotlib/matplotlib#24016·oscargus opened Sep 27, 2022 · Updated Oct 12, 2026·Draft
  3

• Add tests for WebAgg using Playwright

  CI: Run cibuildwheelGUI: webaggstatus: needs rebasetopic: testing
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  matplotlib/matplotlib#23540·QuLogic opened Aug 3, 2022 · Updated Oct 22, 2026·Draft
  10

• Add test for AxisArtist

  status: needs rebasestatus: needs revisiontopic: mpl_toolkittopic: testing
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  matplotlib/matplotlib#23534·oscargus opened Aug 1, 2022 · Updated Aug 9, 2023·Draft
  8

• Unit handling needs many more tests

  keepNew featuretopic: testingtopic: units and array ducktypes
  matplotlib/matplotlib#18278 · Filter by author QuLogic opened on Aug 18, 2020
  5

• Use QuickLook instead of gs and inkscape on MacOS

  OS: Applestatus: inactivestatus: needs rebasetopic: testing
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  matplotlib/matplotlib#18140·jkseppan opened Jul 31, 2020 · Updated Jul 30, 2026·Draft
  11