Once you actually get used to it and start to understand how Jetbrains layout system works, this is a superpower feature.
"Side-by-side layout on the left/right" and "Widescreen tool window layout", allows you to have 2 "hot-swappable" panes on the left side
Like the Project view far left, then next to it the "Pull requests" window,
See very rushed video for demonstration:
https://share.helgesver.re/5GjJ2P5d

share.helgesver.reJetbrains Side-by-side layout exampleVideo file
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