It doesn't install. Running gnome 45 on endeavoros
[michael@michael-83e1 extensions]$ git clone https://github.com/cass00/improved-osk-gnome-ext.git
cd ./improved-osk-gnome-ext
./package-extension.sh
gnome-extensions install improvedosk@stefan_k.shell-extension.zip
gnome-extensions enable improvedosk@stefan_k
Cloning into 'improved-osk-gnome-ext'...
remote: Enumerating objects: 775, done.
remote: Counting objects: 100% (293/293), done.
remote: Compressing objects: 100% (102/102), done.
remote: Total 775 (delta 214), reused 258 (delta 191), pack-reused 482
Receiving objects: 100% (775/775), 2.02 MiB | 2.13 MiB/s, done.
Resolving deltas: 100% (531/531), done.
cp: cannot stat 'src/stylesheet.css': No such file or directory
adding: data/ (stored 0%)
adding: data/gnome-shell-osk-layouts.gresource (deflated 94%)
adding: extension.js (deflated 71%)
adding: LICENSE (deflated 66%)
adding: metadata.json (deflated 38%)
adding: prefs.js (deflated 72%)
adding: README.md (deflated 56%)
adding: schemas/ (stored 0%)
adding: schemas/gschemas.compiled (deflated 39%)
adding: schemas/org.gnome.shell.extensions.improvedosk.gschema.xml (deflated 59%)
Error opening file /home/michael/extensions/improved-osk-gnome-ext/improvedosk@stefan_k.shell-extension.zip: No such file or directory
Extension “improvedosk@stefan_k” does not exist
[michael@michael-83e1 improved-osk-gnome-ext]$ ls
improve_back LICENSE README.md src
[email protected] package-extension.sh screenshots TEST_CASES.md
[michael@michael-83e1 improved-osk-gnome-ext]$ gnome-extensions install im*.zip
<data>:5:9: Parse error: unexpected character `,', expected character `]'
[michael@michael-83e1 improved-osk-gnome-ext]$