Issues

• [Bug]: IBM unix system services - Fonts can'be read in - no labelling is possible

  matplotlib/matplotlib#32514 · opened on Oct 21, 2026
  1

• [Bug]: Right-to-left text that starts with a Latin word is laid out left-to-right

  matplotlib/matplotlib#32511 · opened on Oct 20, 2026
  3

• [Bug]: broken_barh produces longer bars with smaller durations

  matplotlib/matplotlib#32510 · opened on Oct 20, 2026
  1

• [Bug]: 3.10 debug build crashes on interpreter exit

  matplotlib/matplotlib#32509 · opened on Oct 20, 2026
  1

• [Bug]: boxplot_stats raises IndexError when all values are masked

  matplotlib/matplotlib#32508 · opened on Oct 20, 2026
  4

• [Bug]: pgf_rcupdate1 in test_backend_pgf.py::test_rcupdate fails for TeX Live 2026

  matplotlib/matplotlib#32505 · opened on Oct 19, 2026
  1

• [ENH]: Support JPEG XL output in savefig()

  matplotlib/matplotlib#32467 · opened on Oct 12, 2026
  2

• [TST] Upcoming dependency test failures

  matplotlib/matplotlib#32459 · opened on Oct 10, 2026
  3

• [Bug]: Changing text.latex.preamble does not invalidate cached usetex text metrics

  matplotlib/matplotlib#32413 · opened on Oct 1, 2026
  6

• [MNT]: GitHub will restrict pull_request_target on November 2, 2026

  matplotlib/matplotlib#32397 · opened on Sep 25, 2026
  3

• [Bug]: webagg backend uses non-existent unload event

  matplotlib/matplotlib#32393 · opened on Sep 25, 2026
  1

• [Bug]: usetex text drawn as paths (SVG, path effects) is narrower than its layout

  matplotlib/matplotlib#32389 · opened on Sep 24, 2026
  6

• [ENH]: WSL support

  matplotlib/matplotlib#32381 · opened on Sep 23, 2026
  6

• [MNT]: Event loop and timer consistency

  matplotlib/matplotlib#32352 · opened on Sep 15, 2026
  1

• Behavior of contains() inconsistent with fill in overlapping paths

  matplotlib/matplotlib#32329 · opened on Sep 10, 2026
  2

• [Bug]: macOS font discovery raises KeyError('_items') for an incomplete system_profiler font record

  matplotlib/matplotlib#32328 · opened on Sep 9, 2026
  4

• [ENH]: Track PieContainer in Axes.containers

  matplotlib/matplotlib#32320 · opened on Sep 8, 2026
  21

• [Bug]: misaligned between xticklabel baselines

  matplotlib/matplotlib#32316 · opened on Sep 8, 2026
  1

• [Bug]: Modifying NumPy array after passing to set_xticks() unexpectedly alters plot ticks

  matplotlib/matplotlib#32313 · opened on Sep 7, 2026
  3

• [Bug]: boxplot errors when x and tick_labels are empty

  matplotlib/matplotlib#32304 · opened on Sep 5, 2026
  4

• [MNT]: Deprecate internal Cairo backends

  Task

  matplotlib/matplotlib#32276 · opened on Sep 1, 2026
  5

• [Bug]: Ragged Poly3DCollection projects uninitialized padding, causing nondeterministic overflow

  matplotlib/matplotlib#32272 · opened on Aug 31, 2026
  3

• tripcolor shading="gouraud" streaks/glitch on macOS arm64; shading="flat" is fine

  matplotlib/matplotlib#32269 · opened on Aug 31, 2026
  13

• Always send an opaque buffer to interactive backends

  matplotlib/matplotlib#32258 · opened on Aug 29, 2026
  6

• [ENH]: Use a valid font cache from a read-only MPLCONFIGDIR instead of rebuilding in a temp dir

  matplotlib/matplotlib#32246 · opened on Aug 27, 2026
  5