"Make a Link" Nautilus extension functionality now missing in 21.04?
Solution 1:
As in versions of nautilus prior to 40.2 that comes with Ubuntu 21.10, this is an optional right-click menu item, turned off by default in Ubuntu. Enable it from the Preferences (≡ menu, Preferences).
In Nautilus 3.36, the setting "Show action to create symbolic links" is on the "Behavior" tab under "Link creation":
In Nautilus 40, the option "Create link" appears under the section "Optional Context Menu Action":