I just got this mail:
Hello Lasang!
Thank you for reaching out to Obsidian Support. We’re sorry to hear you’re experiencing movement issues while building in AZERTY keyboard Mode . As gamers ourselves, we understand how essential smooth controls are for an immersive and polished experience. Rest assured—we’re here to help and will do everything we can to assist you effectively.
Our team is aware of this issue, and it should be addressed in a future patch.