[Solved] Scan progress and completion not visible on browser window.
There is a new Image available which fixes this issue: https://github.com/mariolukas/FabScanPi-Build-Raspbian/releases/tag/v.2020-05-27-00-08
It does not contain a new version of the Software, but a couple of Raspbian fixes related to the FabScan Software.
I just fixed some issues on the current testing release. Just use the latest image and add the testing branch to source list. Then use
sudo apt-get update && sudo apt-get dist-upgrade
for upgrading to the latest testing release. In case that you are already using the testing branch with the latest image you just need to upgrade.