Issues

• Multivar colorbar

  Documentation: APItopic: canvas and figure managertopic: color/color & colormapstopic: figures and subfigurestopic: geometry managertopic: mplot3dtopic: pyplot API
  Unread
  matplotlib/matplotlib#31214·trygvrad opened Feb 27, 2026 · Updated Oct 3, 2026
  39

• [ENH]: Design considerations for discrete colormapping

  New featuretopic: color/color & colormaps
  matplotlib/matplotlib#31195 · Filter by author timhoffm opened on Feb 24, 2026
  12

• WIP: Experimenting with rounding vs truncating RGB values

  topic: color/color & colormaps
  Unread
  matplotlib/matplotlib#31134·ayshih opened Feb 11, 2026 · Updated Feb 12, 2026·Draft
  7

• When removing colorbar, restore the correct parent axes.

  status: needs rebasetopic: color/color & colormaps
  Unread
  matplotlib/matplotlib#31040·anntzer opened Jan 27, 2026 · Updated Apr 24, 2026·Draft
  9

• introduction of _ColorbarMappable

  Documentation: APIstatus: needs rebasetopic: color/color & colormapstopic: pyplot API
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  matplotlib/matplotlib#31039·trygvrad opened Jan 26, 2026 · Updated Jul 27, 2026
  14

• Voxels 3d colorizer v2

  status: needs rebasetopic: color/color & colormapstopic: mplot3d
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  matplotlib/matplotlib#31032·trygvrad opened Jan 24, 2026 · Updated Jul 27, 2026
  8

• Makes PowerNorm consistent with other norms

  status: needs rebasetopic: color/color & colormapstopic: transforms and scales
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  matplotlib/matplotlib#30862·Sreekanth-M8 opened Dec 15, 2025 · Updated Mar 20, 2026
  2

• implementation of mpl_init mechanism

  status: needs rebasetopic: color/color & colormaps
  Unread
  matplotlib/matplotlib#30742·fecrescencio22 opened Nov 11, 2025 · Updated Mar 2, 2026
  7

• Make colormap loading lazier

  status: needs rebasetopic: color/color & colormaps
  Unread
  matplotlib/matplotlib#30580·QuLogic opened Sep 18, 2025 · Updated Oct 30, 2025·Draft
  1

• [MNT]: Deferred colormap creation

  Maintenancetopic: color/color & colormaps
  matplotlib/matplotlib#30578 · Filter by author timhoffm opened on Sep 17, 2025
  3

• MNT: Introduce cmap(..., by_index=...) parameter

  topic: color/color & colormaps
  Unread
  matplotlib/matplotlib#30548·timhoffm opened Sep 11, 2025 · Updated Jan 12, 2026·Draft
  3

• Examples using Bivariate and Multivariate color maps

  Documentation: examplestopic: color/color & colormaps
  matplotlib/matplotlib#30529 · Filter by author trygvrad opened on Sep 8, 2025
  4

• [Bug]: pcolormesh passes alpha value down to colormap instead of alpha blending

  topic: color/alphatopic: color/color & colormapstopic: pcolor/pcolormesh
  matplotlib/matplotlib#29761 · Filter by author aw32 opened on Mar 16, 2025
  6

• Introducing Spectral Colors

  Documentation: examplesDocumentation: user guidestatus: needs rebasetopic: color/color & colormaps
  Unread
  matplotlib/matplotlib#29517·Sven-J-Steinert opened Jan 24, 2025 · Updated Aug 9, 2026
  55

• [MNT]: Colormap refactoring

  Maintenancetopic: color/color & colormaps
  matplotlib/matplotlib#29141 · Filter by author timhoffm opened on Nov 14, 2024
  2

• [Bug]: Hexbin hbar and vbar not updating correctly on changed

  topic: color/color & colormaps
  matplotlib/matplotlib#28633 · Filter by author trygvrad opened on Aug 1, 2024

• [Bug]: plt.scatter c= kwarg produces unexpected results with qualitative colormaps

  topic: color/color & colormaps
  matplotlib/matplotlib#28620 · Filter by author carpdiem opened on Jul 27, 2024
  7

• [Bug]: to_rgba_array("none") returns empty array

  topic: color/color & colormapstopic: testing
  matplotlib/matplotlib#28475 · Filter by author story645 opened on Jun 27, 2024
  3

• Ignore np.nan values in Normalize.autoscale()

  topic: color/color & colormaps
  Unread
  matplotlib/matplotlib#28406·epistoteles opened Jun 16, 2024 · Updated Oct 7, 2024
  3

• [MNT]: Colormaps odd behavior (1 != 1.0)

  Documentation: user guideMaintenancetopic: color/color & colormaps
  matplotlib/matplotlib#28198 · Filter by author aaronshenhao opened on May 9, 2024
  14

• 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]: pcolormesh with gouraud shading not respecting bad color

  topic: color/color & colormapstopic: pcolor/pcolormesh
  matplotlib/matplotlib#27695 · Filter by author rcomer opened on Jan 24, 2024
  5

• [ENH]: scalermappable bar

  New featuretopic: color/color & colormapstopic: plotting methods
  matplotlib/matplotlib#26312 · Filter by author story645 opened on Jul 14, 2023
  2

• Make singular colorbars consistent with single-value mappables.

  status: needs rebasetopic: color/color & colormapstopic: color/colorbar
  Unread
  matplotlib/matplotlib#26307·anntzer opened Jul 14, 2023 · Updated Jan 2, 2026
  20

• [ENH]:how to Color 3-D Bars by Height like matlab bar3 function?

  New featuretopic: color/color & colormapstopic: mplot3d
  matplotlib/matplotlib#23265 · Filter by author renjf1 opened on Jun 14, 2022
  6