Hi,
When I try to use input sync in Tilix, or in TerminatorX, it write normally on the terminal I'm focused on, but twice in other terminals.
I'm using Linux PureOS 4.18.0-1-amd64 #1 SMP Debian 4.18.6-1 (2018-09-06) x86_64 GNU/Linux
with xfce4 GUI.
I hope you'll resolve this bug.
Thanks!