Graphic pen issues with Steam and Discord missing pen inputs

Hi,
I’m using Gnome on Ubuntu 26.04 on a dual monitor setup.
I use a Wacom Intuos Draw graphic pen (CTL-490) and, as the vanilla graphic pen manager is not able to manager the multi monitor setup as I want, I use the OpenTabletDriver.
Everything was fine when I was on Ubuntu 25.10 but now, with Ubuntu 26.04 (no upgrade, fresh install) I can’t use the graphic pen with Discord and Steam (and also few other softwares I don’t remember as I’ve used very few times), I have to use again the mouse but it’s quite uncomfortable to do.
What should I do to track what’s going on?
is there anyone with this setup?

Thanks in advance.

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