Issues

• [Doc]: Define: User Guide > Plotting data

  Documentation
  matplotlib/matplotlib#31496 · Filter by author timhoffm opened on Apr 13, 2026
  9

• [Bug]: contour/contourf silently produces nonsense levels when Z is constant (zmin == zmax)

  topic: contourtopic: plotting methods
  matplotlib/matplotlib#31493 · Filter by author buddy0452004 opened on Apr 13, 2026
  3

• [Doc]: Improve documentation of animations in jupyter notebooks

  Documentation
  matplotlib/matplotlib#31474 · Filter by author timhoffm opened on Apr 8, 2026
  3

• [ENH]: add a thinner minor grid to 3D plots

  New featuretopic: mplot3d
  matplotlib/matplotlib#31467 · Filter by author chiavez opened on Apr 7, 2026
  4

• [Bug]: Umbrella issue: matplotlib C/C++ Extension Analysis Report

  first-contributionMaintenance
  matplotlib/matplotlib#31424 · Filter by author devdanzin opened on Mar 29, 2026
  4

• [MNT]: Consider consolidating the Formatter API

  Maintenancetopic: ticks axis labels
  matplotlib/matplotlib#31396 · Filter by author timhoffm opened on Mar 26, 2026

• DOC: Systemic fix for missing thumbnails in user_interfaces gallery examples

  Documentation: examplesfirst-contribution
  matplotlib/matplotlib#31378 · Filter by author buddy0452004 opened on Mar 25, 2026
  7

• [Sec]: Disable auto-loading custom matplotlibrc files

  Security Hardening
  matplotlib/matplotlib#31346 · Filter by author scottshambaugh opened on Mar 21, 2026 · v3.12.0
  14

• [ENH]: add loc parameter to the fig.suptitle()

  New featurestatus: needs comment/discussion
  matplotlib/matplotlib#31339 · Filter by author pawjast opened on Mar 20, 2026
  13

• [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

• [ENH]: Support third-party layout engine string names

  New feature
  matplotlib/matplotlib#31328 · Filter by author anntzer opened on Mar 18, 2026
  1

• [ENH]: Use deterministic solver instead of constrained_layout?

  topic: geometry manager
  matplotlib/matplotlib#31312 · Filter by author jklymak opened on Mar 16, 2026
  8

• [Bug]: QtAgg backend does not preserve linestyles refined by dash tuples after editing parameters

  backend: aggGUI: Qt
  matplotlib/matplotlib#31289 · Filter by author smith2936 opened on Mar 12, 2026
  2

• [Bug]: Update of markers' fillstyle removes rotation transform

  topic: markers
  matplotlib/matplotlib#31257 · Filter by author williamlus opened on Mar 9, 2026
  4

• [MNT]: hexbin upper-case C as keyword-argument

  API: consistencyMaintenancestatus: needs comment/discussion
  matplotlib/matplotlib#31239 · Filter by author raphaelquast opened on Mar 5, 2026
  10

• [Bug]: Adjusting the facecolors of Poly3DCollection accidentally shuffles the color order

  topic: collections and mappables
  matplotlib/matplotlib#31233 · Filter by author smith2936 opened on Mar 4, 2026
  6

• [Bug]: Resetting aspect to auto does not work for axes with twinx

  topic: axes
  matplotlib/matplotlib#31232 · Filter by author williamlus opened on Mar 4, 2026
  9

• [ENH]: Allow contour levels to be decreasing

  first-contributionNew feature
  matplotlib/matplotlib#31227 · Filter by author kmhess opened on Mar 2, 2026
  17

• [MNT]: 3D z axis margin is handled differently than x and z

  Maintenancetopic: mplot3d
  matplotlib/matplotlib#31213 · Filter by author scottshambaugh opened on Feb 27, 2026

• [ENH] Support for SVG-encoded colour glyphs

  topic: text/fonts
  matplotlib/matplotlib#31211 · Filter by author QuLogic opened on Feb 27, 2026 · future releases
  4

• [ENH] Support for COLRv1-encoded colour glyphs

  topic: text/fonts
  matplotlib/matplotlib#31210 · Filter by author QuLogic opened on Feb 27, 2026 · future releases
  1

• [ENH] Support for COLRv0-encoded colour glyphs

  topic: text/fonts
  matplotlib/matplotlib#31209 · Filter by author QuLogic opened on Feb 27, 2026 · future releases

• [ENH] Support for SBIX-encoded colour glyphs

  topic: text/fonts
  matplotlib/matplotlib#31208 · Filter by author QuLogic opened on Feb 27, 2026 · future releases

• [ENH] Support for CBDT/CBLC-encoded colour glyphs

  topic: text/fonts
  matplotlib/matplotlib#31207 · Filter by author QuLogic opened on Feb 27, 2026 · future releases

• [ENH] Support for multicolour fonts

  topic: text/fonts
  Task

  matplotlib/matplotlib#31206 · Filter by author QuLogic opened on Feb 27, 2026 · future releases
  2