Bug summary

1. Labels / legend is not displayed
2. Autoscale does nothing, I have to manually set the limits

Code for reproduction

importmatplotlib.pyplotaspltfrommatplotlib.collectionsimportPatchCollectionfrommatplotlib.patchesimportPolygonfig,axs=plt.subplots()p1,p2=Polygon([[0,0],[100,100],[200,0]],label="p1"),Polygon([[400,0],[500,100],[600,0]],label="p2")p=PatchCollection([p1,p2],label="asd")axs.add_collection(p,autolim=True)axs.set_xlim(right=600)axs.set_ylim(top=100)axs.legend()

Actual outcome

No labels/legend are shown -

Expected outcome

Legend is shown

Additional information

No response

Operating system

No response

Matplotlib Version

3.5.2

Matplotlib Backend

No response

Python version

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Jupyter version

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Installation

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