Issues

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

  first-contributionstatus: confirmed bug
  matplotlib/matplotlib#32508 · Filter by author mansi-tomar-sudo opened on Oct 20, 2026
  4

• 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

• SubFigure hspace=None incorrectly applies default vertical spacing when wspace is specified

  first-contributionstatus: confirmed bugtopic: figures and subfigures
  matplotlib/matplotlib#32076 · Filter by author SuYanqi opened on Jul 20, 2026
  3

• [Bug]: Erroneous text wrapping when text vertical position is 1.0

  status: confirmed bugstatus: has patchtopic: text
  matplotlib/matplotlib#31537 · Filter by author AL4N23 opened on Apr 20, 2026
  3

• [Bug]: Changing the color of a contour plot messes up the contour lines and fill colors

  status: confirmed bugtopic: contour
  matplotlib/matplotlib#31335 · Filter by author smith2936 opened on Mar 19, 2026
  10

• [BUG]: Screen scaling is not properly considered with Tk on X11

  GUI: tkstatus: confirmed bugtopic: dpi and resolution
  matplotlib/matplotlib#31177 · Filter by author SuperCowProducts opened on Feb 19, 2026
  9

• [Bug]: Initial save ignores text in a figure with constrained layout

  Documentationstatus: confirmed bugtopic: geometry manager
  matplotlib/matplotlib#31147 · Filter by author smith2936 opened on Feb 13, 2026
  5

• [Doc]: Surprising behavior of FuncAnimation example in the first frames

  status: confirmed bugstatus: needs comment/discussiontopic: animation
  matplotlib/matplotlib#29856 · Filter by author bluthej opened on Apr 2, 2025
  2

• [Bug]: memory backing figure is not freed when figure is closed

  Performancestatus: confirmed bug
  matplotlib/matplotlib#29743 · Filter by author dnicolodi opened on Mar 12, 2025
  12

• [Bug]: possible race condition between TextBoxes with toolmanager and QtAgg

  status: confirmed bugtopic: toolbartopic: widgets/UI
  matplotlib/matplotlib#29687 · Filter by author derrickturk opened on Feb 27, 2025
  3

• [Bug]: Cannot draw arrow from polar plot origin after setting rticks

  status: confirmed bugtopic: text
  matplotlib/matplotlib#29516 · Filter by author Valkje opened on Jan 24, 2025
  2

• [Bug]: 3D bar chart appears over axis when using zlim

  status: confirmed bugtopic: mplot3d
  matplotlib/matplotlib#29482 · Filter by author XrioBtw opened on Jan 18, 2025
  11

• [Bug]: Font fallback issue with CJK characters in text containing math formulas

  status: confirmed bug
  matplotlib/matplotlib#29173 · Filter by author SomeBottle opened on Nov 22, 2024 · v3.12.0
  6

• [Bug]: Gouraud shading for plt.tripcolor is slightly off

  Difficulty: Hardstatus: confirmed bugtopic: tri
  matplotlib/matplotlib#28769 · Filter by author spanag opened on Aug 30, 2024
  13

• [Bug]: setting patchA of Annotation.arrow_patch has no effect

  status: confirmed bugtopic: annotation
  matplotlib/matplotlib#28316 · Filter by author Phlya opened on May 29, 2024
  11

• [Bug]: can not set ylabel fontsize in host_subplot

  status: confirmed bugtopic: mpl_toolkittopic: ticks axis labels
  matplotlib/matplotlib#28124 · Filter by author BHM-Bob opened on Apr 23, 2024
  2

• [Bug]: Inconsistency in fig.suptitle treatment of size=...

  status: confirmed bugtopic: text/fonts
  matplotlib/matplotlib#27630 · Filter by author boffi opened on Jan 10, 2024
  3

• [Bug]: fill_betweenx produces incorrect behavior with xscale('logit')

  status: confirmed bugtopic: transforms and scales
  matplotlib/matplotlib#26251 · Filter by author el-hult opened on Jul 4, 2023
  3

• [Bug]: Streamplot produces unconnected lines, gaps

  status: confirmed bugtopic: plotting methods
  matplotlib/matplotlib#24946 · Filter by author gokberkgunes opened on Jan 11, 2023
  6

• [Bug]: Polar plot wrong Y values when set_ylim is used

  status: confirmed bugtopic: polar
  matplotlib/matplotlib#24790 · Filter by author afarcy opened on Dec 20, 2022
  7

• [Bug]: fig.set_dpi() and figure.dpi option in matplotlibrc file not working

  status: confirmed bug
  matplotlib/matplotlib#24644 · Filter by author BearBearCodes opened on Dec 6, 2022
  11

• [Bug]: patch_collection_2d_to_3d fails to project 2d patches.

  keepstatus: confirmed bugtopic: mplot3d
  Bug

  matplotlib/matplotlib#24352 · Filter by author JesseFarebro opened on Nov 3, 2022
  4

• [ENH]: Ctrl+C on a blocking show() should close the figure window

  status: confirmed bug
  matplotlib/matplotlib#23385 · Filter by author timhoffm opened on Jul 4, 2022
  10

• [Bug]: figure.savefig ignores Figure.dpi changes if dpi='figure' is used

  status: confirmed bug
  matplotlib/matplotlib#23359 · Filter by author fday opened on Jun 28, 2022 · future releases
  3

• [Bug]: Marker missing from legend for contour plots

  status: confirmed bugtopic: legend
  matplotlib/matplotlib#23303 · Filter by author anton-seaice opened on Jun 20, 2022
  15