Bug summary

mpl with py3.10.1 - Interactive figures - Constrain pan/zoom to x/y axis not work

Code for reproduction

Simple Plot

https://matplotlib.org/stable/gallery/lines_bars_and_markers/simple_plot.html

Actual outcome

Interactive figures - Constrain pan/zoom to x/y axis not work

Despite the key being pressed, both axes change

Expected outcome

i expect the functionality:

Navigation keyboard shortcuts

https://matplotlib.org/stable/users/explain/interactive.html

Constrain pan/zoom to x axis - hold x when panning/zooming with mouse
Constrain pan/zoom to y axis - hold y when panning/zooming with mouse

Additional information

I've tested a few versions:

py 3.8 + mpl 3.4.1 and 3.5.1 o.k.
py 3.9 + mpl 3.4.1 and 3.5.1 o.k.

but:

py 3.10.1 + mpl 3.4.1 and 3.5.1 --> Constrain pan/zoom only to x or y axis NOT WORK !

What is the reason?

Thank you

Operating system

Win 10

Matplotlib Version

different 3.4.1 ... 3.5.1

Matplotlib Backend

TkAgg

Python version

Python 3.10.1

Jupyter version

No response

Installation

pip