What is your operating system?
Linux Mint 20 Cinnamon, Cinnamon 4.6.7
What is your Shotcut version (see Help > About Shotcut)? Is it 32-bit?
Shotcut version 20.07.11
Can you repeat the problem? If so, what are the steps?
(Please be specific and use the names as seen in Shotcut, preferably English. Include a screenshot or screen recording if you can. Also, you can attach logs from either View > Application Log or right-click a job and choose View Log.)
Filter: Text Simple
Click on the button to change the font, unable to change the window size. Borders out of screen.