Very confused that side by side diff editing is really a new feature in this world. I mean, ediff landed its first versions in the early 90's sometime I think, and vim certainly had it from very early verisons too...

I use vim daily but haven't tried diffing internally yet. What's your preferred method of doing this in vim? This page [1] suggests a few.

1. http://unix.stackexchange.com/questions/1386/comparing-two-f...

I find it's more trouble than it's worth. For some reason it's just not as good at diffing as other tools I've used and has a hard time matching up both files. I find that other tools do a better job.

If you're using split-diff I also recommend MiniMap [0] and the Minimap-Split-Diff plugin [1]

[0] https://atom.io/packages/minimap

[1] https://atom.io/packages/minimap-split-diff

I think it's almost exactly the same as the diff viewer in Team Foundation Server 2015, though I really really don't recommend installing or using that when you have Gitlab at your disposal.

I hope VSCode has fixed the bug where left side cannot be edited when picking two files.