Issues

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

  New feature
  matplotlib/matplotlib#32467 · Filter by author EwoutH opened on Oct 12, 2026
  1

• [TST] Upcoming dependency test failures

  Maintenance
  matplotlib/matplotlib#32459 · Filter by author github-actions opened on Oct 10, 2026
  1

• [Bug]: Enum value 'Qt::ApplicationAttribute.AA_UseHighDpiPixmaps' is marked as deprecated

  GUI: Qtstatus: confirmed bug
  matplotlib/matplotlib#32454 · Filter by author bersbersbers opened on Oct 9, 2026
  1

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

  topic: text/usetex
  matplotlib/matplotlib#32413 · Filter by author thiebes opened on Oct 1, 2026
  6

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

  Maintenance
  matplotlib/matplotlib#32397 · Filter by author iccir opened on Sep 25, 2026
  1

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

  GUI: webaggMaintenance
  matplotlib/matplotlib#32393 · Filter by author QuLogic opened on Sep 25, 2026
  1

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

  first-contributiontopic: text/usetex
  matplotlib/matplotlib#32389 · Filter by author thiebes opened on Sep 24, 2026
  6

• [ENH]: WSL support

  Documentation: user guidefirst-contribution
  matplotlib/matplotlib#32381 · Filter by author FabriceSalvaire opened on Sep 23, 2026
  6

• [MNT]: Event loop and timer consistency

  API: consistencyMaintenancestatus: needs comment/discussiontopic: backends
  matplotlib/matplotlib#32352 · Filter by author iccir opened on Sep 15, 2026
  1

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

  topic: path handling
  matplotlib/matplotlib#32329 · Filter by author greglucas opened on Sep 10, 2026
  2

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

  first-contributionOS: Applestatus: needs clarificationtopic: text/fonts
  matplotlib/matplotlib#32328 · Filter by author iskandr opened on Sep 9, 2026
  4

• [Bug]: exception raised in SpanSelector callback puts the selector in an invalid state for later interactions

  topic: widgets/UI
  matplotlib/matplotlib#32327 · Filter by author anntzer opened on Sep 9, 2026

• [ENH]: Track PieContainer in Axes.containers

  New featuretopic: axes
  matplotlib/matplotlib#32320 · Filter by author robertoffmoura opened on Sep 8, 2026
  21

• [Bug]: misaligned between xticklabel baselines

  topic: text
  matplotlib/matplotlib#32316 · Filter by author anntzer opened on Sep 8, 2026
  1

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

  topic: ticks axis labels
  matplotlib/matplotlib#32313 · Filter by author williamlus opened on Sep 7, 2026
  3

• [Bug]: Calling fig.add_artist(AnchoredText(...)) raises AttributeError during plt.show()

  API: argument checking
  matplotlib/matplotlib#32312 · Filter by author williamlus opened on Sep 7, 2026
  1

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

  topic: plotting methodstopic: ticks axis labels
  matplotlib/matplotlib#32304 · Filter by author carlosgmartin opened on Sep 5, 2026
  4

• [MNT]: Deprecate internal Cairo backends

  backend: cairoMaintenance
  Task

  matplotlib/matplotlib#32276 · Filter by author QuLogic opened on Sep 1, 2026
  5

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

  first-contributiontopic: mplot3d
  matplotlib/matplotlib#32272 · Filter by author xjcl opened on Aug 31, 2026
  3

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

  backend: aggfirst-contributionOS: Applestatus: confirmed bug
  matplotlib/matplotlib#32269 · Filter by author matthew-a12 opened on Aug 31, 2026
  13

• Always send an opaque buffer to interactive backends

  Performancestatus: needs comment/discussiontopic: backends
  matplotlib/matplotlib#32258 · Filter by author iccir opened on Aug 29, 2026
  6

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

  first-contributionNew feature
  matplotlib/matplotlib#32246 · Filter by author rokokol opened on Aug 27, 2026
  5

• macOS Rework Umbrella

  GUI: MacOSXOS: Apple
  matplotlib/matplotlib#32176 · Filter by author iccir opened on Aug 7, 2026

• [Bug]: Using rasterized=True with zorder makes the generated SVG have wrong axes layer hierarchy

  backend: svgfirst-contribution
  matplotlib/matplotlib#32174 · Filter by author ahmedselim2017 opened on Aug 6, 2026
  6

• [MNT]: Clarify web browser policy

  Maintenance
  matplotlib/matplotlib#32165 · Filter by author iccir opened on Aug 3, 2026
  12