How to Install Gnome Extensions App on Ubuntu Gnu/Linux Distro
GNU/Linux Ubuntu Installing GNOME Extensions App Guide
How to Install GNOME Extensions Flatpak App on Ubuntu GNU/Linux desktops – Step by step Tutorials.
And GNOME Extensions App for Ubuntu handles Updating Extensions, Configuring Extension Preferences and Removing or Disabling them.
Especially relevant: starting from the GNOME 41 release the Shell Extensions are not any more manageable by the Tweaks but just with the App.
