Bug summary

MWE:

import matplotlib.pyplot as plt

while True:
    plt.figure()
    plt.close()

Either run this code and monitor the mem consumption on top, or run

mprof run test.py
mprof plot

(with memory-profiler) to get

Might be related to #22448.

Operating system

Ubuntu 22.10

Matplotlib Version

3.5.3

Matplotlib Backend

GTK4Agg

Python version

3.10.6

Jupyter version

No response

Installation

pip