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[Sec]: Disable auto-loading custom matplotlibrc files

Security HardeningProactive security hardening. Existing vulnerabilities should be reported per our security policyProactive security hardening. Existing vulnerabilities should be reported per our security policy

Status: Open.

#31346 In matplotlib/matplotlib;

· scottshambaugh opened on Mar 21, 2026

[Bug]: Adding contour labels affects the shape of filled contours

Status: Open.

#31344 In matplotlib/matplotlib;

· williamlus opened on Mar 21, 2026

[Bug]: outdated savannah URL in subprojects/freetype-2.6.1.wrap

first-contribution

Status: Open.

#31340 In matplotlib/matplotlib;

· Corin-EU opened on Mar 20, 2026

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

New feature

status: needs comment/discussionneeds consensus on next stepneeds consensus on next step

Status: Open.

#31339 In matplotlib/matplotlib;

· pawjast opened on Mar 20, 2026

wording questions

Documentation

first-contribution

status: needs confirmation

Status: Open.

#31337 In matplotlib/matplotlib;

· zhangjy-ge opened on Mar 19, 2026

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

status: confirmed bug

topic: contour

Status: Open.

#31335 In matplotlib/matplotlib;

· smith2936 opened on Mar 19, 2026

[Bug]: Crash when removing colorbar axes in a constrained layout

status: needs clarificationIssues that need more information to resolve.Issues that need more information to resolve.

Status: Open.

#31330 In matplotlib/matplotlib;

· williamlus opened on Mar 19, 2026

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

New feature

Status: Open.

#31328 In matplotlib/matplotlib;

· anntzer opened on Mar 18, 2026

[Bug]: Crash when removing a subfigure with a subplot in a figure

status: confirmed bug

Status: Open.

#31319 In matplotlib/matplotlib;

· williamlus opened on Mar 17, 2026

·  

v3.10.9

[ENH]: Use deterministic solver instead of constrained_layout?

topic: geometry managerLayoutEngine, Constrained layout, Tight layoutLayoutEngine, Constrained layout, Tight layout

Status: Open.

#31312 In matplotlib/matplotlib;

· jklymak opened on Mar 16, 2026

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

backend: agg

GUI: Qt

Status: Open.

#31289 In matplotlib/matplotlib;

· smith2936 opened on Mar 12, 2026

[Bug]: Cannot change xlabel after drawing custom axes with xlabel

topic: mpl_toolkit

Status: Open.

#31288 In matplotlib/matplotlib;

· williamlus opened on Mar 12, 2026