## reproduce 0. add fern.vim/ at path/to/pack_path/pack/m/opt/ 1. gvim.exe --clean 2. `:set packpath=path/to/pack_path` 3. `:packadd fern.vim` 4. `:Fern -drawer -right .` 5. move the cursor so that the popup appears  ## env - windows 10 - gvim.exe(1-4314) - fern.vim(1237977da5ae1fb5901d712745b1b5d0eeecdc51)