What is 3-way merge editor look like?

When you meet a conflict, click on Source control button on side menu and merge changes file, you should see 3-way merge editor.

As you can see, there are 3 parts on screen:

• Your commit: left side
• Theirs commit: right side
• Conflict fixing result: bottom

You can only edit on result part!

After ctrl + s to save result:

# to verify
g diff

g add .

# or merge
g rebase --continue

You done it!

How to disable it?

• use ctrl + shift + p
• type "json"
• chose "preferences: Open user settings (JSON)"
• add the setting below:

{
    "git.mergeEditor": false
}

Now, you can use old way merge editor:

Reference

• code.visualstudio - updates - v1_70 - 3way-merge-editor-improvements
• How can I disable 3-way merge editor?