The plugin's ftplugin doesn't work when opening vim.

[z-kk]

When vimrc is

packadd nim.vim
filetype plugin on

and exec vim test.nim then shiftwidth is "2".

But when vimrc is

packadd vim-jetpack
call jetpack#begin()
Jetpack 'tani/vim-jetpack', {'opt': 1}
Jetpack 'zah/nim.vim'
call jetpack#end()

and exec vim test.nim then shiftwidth is "8". Exec vim and :e test.nim, shiftwidth is "2".

VIM 9.0 WSL2 Debian 12