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matplotlib

35 indexed repositories · View on GitHub

matplotlib
matplotlib: plotting with Python

Python · 23237 stars
cheatsheets
Official Matplotlib cheat sheets

Python · 7732 stars
mplfinance
Financial Markets Data Visualization using Matplotlib

Python · 4432 stars
ipympl
Matplotlib Jupyter Integration

Jupyter Notebook · 1659 stars
AnatomyOfMatplotlib
Anatomy of Matplotlib -- tutorial developed for the SciPy conference

Jupyter Notebook · 1239 stars
basemap
Plot on map projections (with coastlines and political boundaries) using matplotlib

Python · 817 stars
pytest-mpl
A pytest plugin to facilitate image comparison for Matplotlib figures

Python · 272 stars
cmocean
Colormap setup for standardizing commonly-plotting oceanographic variables.

Python · 269 stars
viscm
A tool for visualizing and designing colormaps using colorspacious and matplotlib

Python · 188 stars
mplcairo
A (new) cairo backend for Matplotlib.

C++ · 119 stars
trendvis

Python · 117 stars
cycler
cycler: composable cycles

Python · 83 stars
mpl-third-party
Third-party Packages Webpage

Python · 58 stars
napari-matplotlib
Linking napari layers with Matplotlib plots

Python · 46 stars
grid-strategy
Library to facilitate the arrangement of matplotlib subplots based on the number of plots

Python · 44 stars
sampledoc

CSS · 43 stars
matplotlib-extension-cookiecutter
A fairly opinionated cookiecutter for making a Matplotlib extension

Python · 41 stars
mpl-probscale
Real probability scales for matplotlib

Python · 40 stars
matplotblog
Matplotlib blog

Jupyter Notebook · 39 stars
GettingStarted
Scipy 2019 Tutorial

Jupyter Notebook · 38 stars
15 more repositories live on View on GitHub

Beginner friendly Everything

Open All

[MNT]: Event loop and timer consistency Open

API: consistency Maintenance status: needs comment/discussion topic: backends

Difficulty 5/5 Over a week Newbie friendliness 38/100

matplotlib/matplotlib#32352 · 1 comment · Opened Sep 15, 2026
[MNT]: Old macOS CI is failing to install Open

CI: testing Maintenance OS: Apple

Difficulty 3/5 1-2 days Newbie friendliness 55/100

matplotlib/matplotlib#32339 · 8 comments · Opened Sep 11, 2026
Behavior of `contains()` inconsistent with fill in overlapping paths Open

topic: path handling

Difficulty 5/5 Over a week Newbie friendliness 32/100

matplotlib/matplotlib#32329 · 2 comments · Opened Sep 10, 2026
[Bug]: macOS font discovery raises KeyError('_items') for an incomplete system_profiler font record Open

first-contribution OS: Apple status: needs clarification topic: text/fonts

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

matplotlib/matplotlib#32328 · 2 comments · Opened Sep 9, 2026
[Bug]: exception raised in SpanSelector callback puts the selector in an invalid state for later interactions Open

topic: widgets/UI

Difficulty 3/5 1-2 days Newbie friendliness 72/100

matplotlib/matplotlib#32327 · Opened Sep 9, 2026
[ENH]: Track PieContainer in Axes.containers Open

New feature topic: axes

Difficulty 5/5 Over a week Newbie friendliness 35/100

matplotlib/matplotlib#32320 · 21 comments · Opened Sep 8, 2026
[Bug]: misaligned between xticklabel baselines Open

topic: text

Difficulty 3/5 1-2 days Newbie friendliness 68/100

matplotlib/matplotlib#32316 · 1 comment · Opened Sep 8, 2026
[Bug]: Modifying NumPy array after passing to set_xticks() unexpectedly alters plot ticks Open

topic: ticks axis labels

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

matplotlib/matplotlib#32313 · 3 comments · Opened Sep 7, 2026
[Bug]: Calling fig.add_artist(AnchoredText(...)) raises AttributeError during plt.show() Open

API: argument checking

Difficulty 3/5 1-2 days Newbie friendliness 72/100

matplotlib/matplotlib#32312 · 1 comment · Opened Sep 7, 2026
[Bug]: boxplot errors when `x` and `tick_labels` are empty Open

topic: plotting methods topic: ticks axis labels

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

matplotlib/matplotlib#32304 · 4 comments · Opened Sep 5, 2026
[MNT]: Deprecate internal Cairo backends Open

backend: cairo Maintenance

Difficulty 5/5 Over a week Newbie friendliness 28/100

matplotlib/matplotlib#32276 · 5 comments · Opened Sep 1, 2026
[Bug]: Ragged Poly3DCollection projects uninitialized padding, causing nondeterministic overflow Open

first-contribution topic: mplot3d

Difficulty 3/5 1-2 days Newbie friendliness 74/100

matplotlib/matplotlib#32272 · 3 comments · Opened Aug 31, 2026
tripcolor shading="gouraud" streaks/glitch on macOS arm64; shading="flat" is fine Open

backend: agg first-contribution OS: Apple status: confirmed bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

matplotlib/matplotlib#32269 · 13 comments · Opened Aug 31, 2026
Always send an opaque buffer to interactive backends Open

Performance status: needs comment/discussion topic: backends

Difficulty 5/5 Over a week Newbie friendliness 35/100

matplotlib/matplotlib#32258 · 6 comments · Opened Aug 29, 2026
[ENH]: Use a valid font cache from a read-only MPLCONFIGDIR instead of rebuilding in a temp dir Open

first-contribution New feature

Difficulty 4/5 3-5 days Newbie friendliness 58/100

matplotlib/matplotlib#32246 · 5 comments · Opened Aug 27, 2026
Meeting Note Archival Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

matplotlib/ProjectManagement#11 · 5 comments · 1 reaction · Opened Aug 25, 2026
macOS Rework Umbrella Open

GUI: MacOSX OS: Apple

Difficulty 5/5 Over a week Newbie friendliness 20/100

matplotlib/matplotlib#32176 · 1 reaction · Opened Aug 7, 2026
[Bug]: Using `rasterized=True` with `zorder` makes the generated SVG have wrong axes layer hierarchy Open

backend: svg first-contribution

Difficulty 3/5 1-2 days Newbie friendliness 68/100

matplotlib/matplotlib#32174 · 5 comments · Opened Aug 6, 2026
[MNT]: Clarify web browser policy Open

Maintenance

Difficulty 5/5 Over a week Newbie friendliness 30/100

matplotlib/matplotlib#32165 · 12 comments · Opened Aug 3, 2026
[Bug]: Font lookup when rendering math text Open

topic: text/mathtext

Difficulty 3/5 1-2 days Newbie friendliness 62/100

matplotlib/matplotlib#32164 · 5 comments · Opened Aug 3, 2026
[Tracker] : Improve type annotation coverage Open

topic: typing

Difficulty 4/5 3-5 days Newbie friendliness 45/100

matplotlib/matplotlib#32157 · 1 comment · 1 reaction · Opened Jul 31, 2026
[Doc]: Rework Hyperlinks example Open

Documentation

matplotlib/matplotlib#32146 · 2 comments · 1 assignee · Opened Jul 31, 2026
[Bug]: a scalar-only custom scale silently blanks all 3D data instead of drawing it Open

topic: transforms and scales

Difficulty 3/5 1-2 days Newbie friendliness 62/100

matplotlib/matplotlib#32129 · 1 comment · Opened Jul 28, 2026
[Bug]: Line3D.draw requires .shape on _verts3d, but set_data_3d accepts and stores any array-like Open

first-contribution topic: mplot3d

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

matplotlib/matplotlib#32127 · 5 comments · Opened Jul 28, 2026
Governance of MPL basemap Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

matplotlib/matplotlib#32125 · 2 comments · Opened Jul 27, 2026
[Bug]: Cannot install due to missing `pybind11` headers Open

Build

Difficulty 3/5 1-2 days Newbie friendliness 52/100

matplotlib/matplotlib#32122 · 3 comments · Opened Jul 26, 2026
[Bug]: TeX line rendering Open

topic: text

Difficulty 4/5 3-5 days Newbie friendliness 52/100

matplotlib/matplotlib#32079 · 3 comments · Opened Jul 20, 2026
SubFigure hspace=None incorrectly applies default vertical spacing when wspace is specified Open

first-contribution status: confirmed bug topic: figures and subfigures

Difficulty 3/5 1-2 days Newbie friendliness 68/100

matplotlib/matplotlib#32076 · 3 comments · Opened Jul 20, 2026
[ENH]: Per-font size scaling (-> math text) Open

New feature topic: text/mathtext

Difficulty 4/5 3-5 days Newbie friendliness 45/100

matplotlib/matplotlib#32074 · 1 comment · Opened Jul 19, 2026
[Bug]: Umbrella issue: matplotlib Free-threaded Extension Analysis Report Open

Maintenance

Difficulty 5/5 Over a week Newbie friendliness 35/100

matplotlib/matplotlib#32073 · Opened Jul 19, 2026
[Doc]: :rc: directive without defaults Open

Documentation

Difficulty 5/5 Over a week Newbie friendliness 35/100

matplotlib/matplotlib#32071 · 4 comments · Opened Jul 19, 2026
[Bug]: Font fallback bugs Open

first-contribution topic: text/fonts

Difficulty 4/5 3-5 days Newbie friendliness 48/100

matplotlib/matplotlib#32063 · 7 comments · Opened Jul 18, 2026
[Bug]: Pickle round-tripping a figure incorrectly restores its original DPI instead of a DPI explicitly changed via Figure.set_dpi(). Open

ai-contribution first-contribution

Difficulty 3/5 1-2 days Newbie friendliness 68/100

matplotlib/matplotlib#32053 · 3 comments · Opened Jul 17, 2026
[Doc]: document provisional flag in API guidelines Open

Documentation

matplotlib/matplotlib#32044 · 2 comments · 1 reaction · 1 assignee · Opened Jul 15, 2026
[MNT]: macosx event_loop_is_running is a deceptive name Open

Maintenance OS: Apple

Difficulty 4/5 3-5 days Newbie friendliness 48/100

matplotlib/matplotlib#32041 · 6 comments · Opened Jul 14, 2026
[MNT]: Use more-inclusive language in _trirefine.py Open

Maintenance

Difficulty 3/5 1-2 days Newbie friendliness 55/100

matplotlib/matplotlib#32039 · 4 comments · 2 reactions · Opened Jul 13, 2026
[Bug]: macOS: tkagg backend crashes on Control-C after input() Open

GUI: tk OS: Apple

Difficulty 4/5 3-5 days Newbie friendliness 48/100

matplotlib/matplotlib#32017 · 1 comment · Opened Jul 8, 2026
[Bug]: macOS: qtagg backend crashes on Control-C after input() Open

GUI: Qt OS: Apple

Difficulty 4/5 3-5 days Newbie friendliness 48/100

matplotlib/matplotlib#32016 · 1 comment · Opened Jul 8, 2026
[Bug]: Axis.get_tick_space could take tick label rotation into account Open

topic: ticks axis labels

Difficulty 3/5 1-2 days Newbie friendliness 65/100

matplotlib/matplotlib#32005 · 2 comments · 3 reactions · Opened Jul 6, 2026
[Bug]: macOS backend flickers/flashes due to use of timers Open

GUI: MacOSX

Difficulty 5/5 Over a week Newbie friendliness 35/100

matplotlib/matplotlib#31991 · 1 comment · Opened Jul 3, 2026
[Bug]: Can not fallback to `kpsewhich` when `luatex` does not work Open

backend: pdf first-contribution topic: text/usetex

Difficulty 4/5 3-5 days Newbie friendliness 52/100

matplotlib/matplotlib#31983 · 2 comments · Opened Jul 2, 2026
[Bug]: pyplot.subplot_tool doesn't always return a SubplotTool Open

topic: pyplot API

Difficulty 4/5 3-5 days Newbie friendliness 48/100

matplotlib/matplotlib#31979 · 2 comments · Opened Jul 2, 2026
[ENH]: Consider using a layout engine by default Open

API: default changes New feature topic: geometry manager

Difficulty 5/5 Over a week Newbie friendliness 25/100

matplotlib/matplotlib#31976 · 12 comments · 1 reaction · Opened Jul 1, 2026
[Bug]: Changing GridSpec column/row ratios after axes creation does not update the figure layout Open

Community support Documentation

Difficulty 3/5 1-2 days Newbie friendliness 64/100

matplotlib/matplotlib#31971 · 8 comments · Opened Jun 30, 2026
[Bug]: macosx backend crashes when used on a worker thread Open

GUI: MacOSX

Difficulty 4/5 3-5 days Newbie friendliness 48/100

matplotlib/matplotlib#31968 · 7 comments · Opened Jun 29, 2026
[Bug]: qtagg "Export Values" window isn't clickable/visible Open

GUI: Qt OS: Apple

Difficulty 4/5 3-5 days Newbie friendliness 45/100

matplotlib/matplotlib#31949 · Opened Jun 26, 2026
[Bug]: Figure size change on macos in matplotlib 3.11.0 macosx backend Open

first-contribution GUI: MacOSX

Difficulty 4/5 3-5 days Newbie friendliness 38/100

matplotlib/matplotlib#31936 · 6 comments · Opened Jun 22, 2026
[Doc]: examples/api directory? Open

Documentation first-contribution

Difficulty 1/5 Under an hour Newbie friendliness 78/100

matplotlib/matplotlib#31935 · 4 comments · 1 reaction · Opened Jun 22, 2026
[Bug]: macOS backend UI doesn't update on 'o' and 'p' shortcuts Open

GUI: MacOSX

Difficulty 3/5 1-2 days Newbie friendliness 48/100

matplotlib/matplotlib#31933 · 4 comments · Opened Jun 21, 2026
Using mplfinance for AI-powered trading signal generation Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

matplotlib/mplfinance#700 · Opened Jun 20, 2026

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