Can't press any buttons when external monitor connected

Description

I installed Mailspring Snap on Ubuntu 25.10 (Wayland). Works fine on my laptop internal display. When an external monitor is connected in extended desktop mode, none of the mailspring toolbar buttons work on either display.

To Reproduce…

Steps to reproduce the behavior:

  1. Start mailspring

  2. Connect external display

  3. Buttons don’t work

Expected Behavior

Buttons work

Screenshots

Setup

Latest version of Ubuntu and Mailspring.

  • OS and Version:
    • Installation Method:
  • Mailspring Version:

Additional Context

Using built-in Ubuntu theme