https://extensions.gnome.org/extension/2672/simple-task-bar/
Very light task bar extension for GNOME Shell.
In this repository you will find the GS 3.30+ version only. You can download the obsolete but working 3.28 version through the above link to GS extension website. You can also add some ".actor" here and here in this current GitHub code but I don't have the time to maintain two versions.