code-server version: 1.31.1-100Fig1

I want to downgrade vim because I am hitting https://github.com/codercom/code-server/issues/61 problem.
My local VSCode can choose another version (Fig2).
Fig2

This behavior is seen in other extensions (like Python or C++). I don't know whether this is a bug or not because I am not familiar with VSCode.
I tried to install from VSIX, but got an error "Invalid tar header. Maybe the tar is corrupted or it needs to be gunzipped?"
example: vim-1.0.8.vsix
Related to #92 maybe?
Maybe
Manual installation of VSIXs should be fixed via #245.
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I tried to install from VSIX, but got an error "Invalid tar header. Maybe the tar is corrupted or it needs to be gunzipped?"
example: vim-1.0.8.vsix