If I open a file in Vim and then run :Vex (or :Sex) it opens netrw in both the new split and the existing split. This happens even if I have unsaved changes, meaning the changes are lost.

The behaviour I'm used to is for netrw to only open in the new split.

I started noticing this today and I'm not sure what's causing it. It isn't my .vimrc as it happens without any config. It could be that netrw or something else has updated as I have been messing around with Homebrew.

File open in Vim

Then I run :Vex

netrw opens in both splits

  • Could you share the version of Vim you are using :version? Can you reproduce the problem in absence of plugins :vim -clean or with a bare version of Vim :vim -i NONE -u NONE? I can't reproduce your problem at first glance it looks like a bug in Vim? May 8 at 20:28
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    It's Vim version 9.0 installed via Homebrew. I've just tried uninstalling and just using the system Vim (version 8.2) and that works fine. When using vim --clean or vim -i NONE -u NONE, :Vex isn't a recognised command. May 8 at 20:42
  • Can you tell us the patch nb of your version :version? May 8 at 20:46
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    This site is not an issue tracker.
    – romainl
    May 9 at 5:33
  • 1
    It doesn’t look this has been resolved, so the custom close reason isn’t appropriate. I’m voting to leave open. Hadrian, I do remember seeing some netrw issues in the mailing list recently. Can you share your exact version (patch number) and see if it’s related to those issues?
    – D. Ben Knoble
    May 9 at 12:25

2 Answers 2


That was fixed in Vim Commit: b7398fe, so you should update to Vim >= v9.0.1556


This is caused by a bug introduced in version 9.0.1479 which hasn't been patched yet.

This Github comment offers a manual fix for the meantime: https://github.com/vim/vim/issues/12304


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