I tested on another machine that uses windows instead of ubuntu and it seemed to work as expected and updated the diff view immediately.
MACOS GIT DIFF NOT LESS UPDATE
![macos git diff not less macos git diff not less](https://d33wubrfki0l68.cloudfront.net/0c1aac4386be242c96c7e1a62bb02eb462d79799/fee65/images/git-diff-window.png)
Save the change and click on the changed file in Source Control to see the diff file of the changes.You can for example replace the 6th line with bbbb. Edit the 6th line in the Source Control diff view right side panel. You should now have committed the file.In Source Control stage the file and commit it.Save the change and click on the file in Source Control to see the diff of the changes you made.In VS code change for example the 3rd row of test.txt to aaaa.Open the folder in visual studio code using "Open Folder".$ printf 'test\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\ntest\n' > test.txt