SublimeText 3, How can you create tabs for projects, not files?

I have MacOS, when I submit a file from several tabs in the window instead of having to create a new window, you need to create a new row of tabs projects (on top tabs file).
This works in the default skin (Default.sublime-theme), but not working in others. What are the extension / theme that is supported?

This picture shows the look of the tab project (top):
5ba7694e449cf234225912.png
March 11th 20 at 19:28
0 answer

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