Yes, tablet is recognized well. I made a mistake in the initial post, the Ubuntu version is 24.04.
This is how I tried to use Miro, in the Google Chrome browser.
System is updated
I try firefox, same problem. Also i try’it online app sketchpad.io. Here it works as expected, when using a writing instrument, the cursor takes the shape of a pen for both the mouse and the tablet. In https://www.canva.com/draw/, same problem like in miro. Cursor change for mouse but remain arrow for tablet.