Issues

• [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

• [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

• Warn and ignore NaN values in violinplot

  status: needs rebasetopic: plotting methods
  Unread
  matplotlib/matplotlib#30932·codingabhiroop opened Jan 4, 2026 · Updated Apr 10, 2026
  14

• [Bug]: violinplot with nan values fails silently

  topic: plotting methods
  matplotlib/matplotlib#30355 · Filter by author lionel42 opened on Jul 25, 2025
  7

• [ENH]: Generalized error bars

  New featuretopic: plotting methods
  matplotlib/matplotlib#28614 · Filter by author hjstein opened on Jul 25, 2024
  13

• List of lists of categorical data failing: Scatter ravel is performed before _process_unit_info() is called.

  topic: categoricaltopic: plotting methods
  Unread
  matplotlib/matplotlib#27035·borgesaugusto opened Oct 8, 2023 · Updated Nov 5, 2023
  8

• [Bug]: Polygon.contains_point() only works if transparency is zero

  Documentationtopic: plotting methods
  matplotlib/matplotlib#27026 · Filter by author adriandelser opened on Oct 7, 2023
  5

• [Bug]: scatter plot fails for list of lists with categorical data

  topic: categoricaltopic: plotting methods
  matplotlib/matplotlib#26743 · Filter by author sofyakrainova opened on Sep 12, 2023
  2

• Add U, V and C setter to Quiver

  New featurestatus: needs rebasestatus: needs revisiontopic: plotting methods
  Unread
  matplotlib/matplotlib#26410·ericpre opened Jul 29, 2023 · Updated Sep 11, 2025
  47

• [ENH]: scalermappable bar

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

• [Bug]: Streamplot produces unconnected lines, gaps

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

• Add Axes.fill_disjoint to make invert fill_between easier

  New featurestatus: needs clarificationstatus: needs rebasestatus: needs revisiontopic: plotting methods
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  matplotlib/matplotlib#24742·antarapal235 opened Dec 15, 2022 · Updated Oct 11, 2024·Draft
  12