Just got an update for the Golang extension and it appears to be broken, reporting an error on a package main that\'s literally just a list of my imports with n
[EDIT] now it is supported -> see accepted answer
Currently downgrading is not (yet) supported.
However, you can uninstall the extension and then manually download and install a specific version by hand: https://code.visualstudio.com/docs/extensions/install-extension
And also this excellent answer: How to install VSCode extensions offline?