Issues

• [Bug]: Unable to use single Quantity for xerr in ax.errorbar

  third-party integrationtopic: units and array ducktypes
  matplotlib/matplotlib#29630 · Filter by author geolta opened on Feb 16, 2025
  1

• Sort out why the Qt editor widget needs to reset the unit states

  topic: units and array ducktypes
  matplotlib/matplotlib#29056 · Filter by author tacaswell opened on Oct 31, 2024

• FIX: remove __array__ method on BasicUnit

  Documentation: examplesstatus: needs rebasetopic: units and array ducktypes
  Unread
  matplotlib/matplotlib#28744·tacaswell opened Aug 21, 2024 · Updated Jul 9, 2026
  3

• [Bug]: Date causing incorrect display for Bar chart

  third-party integration: pandastopic: date handlingtopic: units and array ducktypes
  matplotlib/matplotlib#28369 · Filter by author israelflores8789 opened on Jun 10, 2024
  3

• Add support for images with units

  New featurestatus: needs rebasetopic: categoricaltopic: collections and mappablestopic: color/color & colormapstopic: imagestopic: units and array ducktypes
  Unread
  matplotlib/matplotlib#27721·dstansby opened Jan 30, 2024 · Updated Mar 26, 2025·Draft
  11

• BUG: fix normalizing image data contained in np.ndarray subclass

  status: needs rebasethird-party integrationtopic: imagestopic: transforms and scalestopic: units and array ducktypes
  Unread
  matplotlib/matplotlib#27682·neutrinoceros opened Jan 22, 2024 · Updated Jul 22, 2024
  20

• add test_quiver in test_datetime.py

  status: needs rebasetopic: date handlingtopic: units and array ducktypes
  Unread
  matplotlib/matplotlib#27547·Elllllllvin opened Dec 20, 2023 · Updated Aug 3, 2025
  5

• [Bug]: pcolorfast does not support units for X/Y

  topic: date handlingtopic: units and array ducktypes
  matplotlib/matplotlib#27526 · Filter by author QuLogic opened on Dec 16, 2023
  2

• [Bug]: Units behavior of streamplot

  topic: units and array ducktypes
  matplotlib/matplotlib#27500 · Filter by author ksunden opened on Dec 12, 2023

• [Bug]: Units behavior of tri* methods

  topic: tritopic: units and array ducktypes
  matplotlib/matplotlib#27499 · Filter by author ksunden opened on Dec 12, 2023
  1

• 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

• [Bug]: linelengths parameter of Axes.eventplot does not accept delta units

  topic: units and array ducktypes
  matplotlib/matplotlib#27479 · Filter by author QuLogic opened on Dec 9, 2023
  2

• Added datetime smoke test for Axes.hexbin

  topic: date handlingtopic: units and array ducktypes
  Unread
  matplotlib/matplotlib#27475·bikegeek opened Dec 8, 2023 · Updated Sep 9, 2026·Draft
  13

• Added test_loglog in test_datetime.py

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

• Added test_pcolor in test_datetime.py

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

• [TST] Added test_arrow in test_datetime.py

  topic: arrowtopic: date handlingtopic: units and array ducktypes
  Unread
  matplotlib/matplotlib#27372·samchan2022 opened Nov 27, 2023 · Updated Aug 3, 2025
  5

• [TST] Added test_axlines in test_datetime.py

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

• [ENH]: Better support for stackplot with units [particularly datetimes]

  New featuretopic: units and array ducktypes
  matplotlib/matplotlib#27129 · Filter by author ksunden opened on Oct 17, 2023
  3

• [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

• [Bug]: timedelta64 with pcolormesh

  topic: date handlingtopic: units and array ducktypes
  matplotlib/matplotlib#26525 · Filter by author jklymak opened on Aug 14, 2023
  6

• Getting numeric value from unit registry on imshow function

  New featurestatus: needs rebasetopic: units and array ducktypes
  Unread
  matplotlib/matplotlib#26104·lucavribeiro opened Jun 10, 2023 · Updated Jul 14, 2023·Draft
  2

• POC: Add validation of converters to formatters

  status: needs rebasetopic: units and array ducktypes
  Unread
  matplotlib/matplotlib#25766·ksunden opened Apr 25, 2023 · Updated Aug 3, 2025·Draft
  3

• [Doc]: Most functions in axes.Axes accept datetime objects as well as floats, docstrings should reflect that

  Documentationtopic: typingtopic: units and array ducktypes
  matplotlib/matplotlib#25676 · Filter by author ldorigo opened on Apr 13, 2023
  16

• POC: add validation of formatters to converters

  topic: units and array ducktypes
  Unread
  matplotlib/matplotlib#25662·ksunden opened Apr 11, 2023 · Updated Aug 3, 2025·Draft
  5