I'm on Ubuntu 22.04.04 and I was facing the same issue, having installed pdfarranger 1.8.2 via command line apt install.
Removing it (with sudo apt remove --purge pdfarranger) and reinstalling via snap (sudo snap install pdfarranger) I got version 1.10.1 and fixed the issue.
UPGRADE pdfarranger via SNAP:
I'm on Ubuntu 22.04.04 and I was facing the same issue, having installed pdfarranger 1.8.2 via command line apt install.
Removing it (with sudo apt remove --purge pdfarranger) and reinstalling via snap (sudo snap install pdfarranger) I got version 1.10.1 and fixed the issue.