I’d expect Obsidian app to have an icon in taskbar.
Obsidian doesn’t have an icon in taskbar on Linux.
Operating system: Linux, Ubuntu
Using AppImage package
NOTE: It’s not installation problem.
Another app that I use https://mingo.io/ had the same problem and they fixed it after it was reported. (basically electron packaging needs to be configured for AppImage)
That’s one reason I advocate for the flatpak version of Obsidian. It provides you a way of installing an application in a cross-distro format so that app icons among other things that integrate into your desktop environment are provided:
$ find /var/lib/flatpak/app/md.obsidian.Obsidian/x86_64/stable/active/export -type f