• VSCode Version: 1.18.1
• OS Version: Ubuntu 16.04

Steps to Reproduce:

1. Stash multiple things in a git repo
2. Use the Pop Stash... from the ... menu in Souce Control
3. Select a stash > 0
4. Notice that the latest stash was used (and not selected index)

git stash list
git stash pop

Expected

git stash list
git stash pop stash@{2}

Reproduces without extensions: Yes