All Platforms (Windows/Linux/Mac):
It is under View -> Render Whitespace.
A known BUG 🐞
Sometimes the menu item shows that it is currently active but you can's see white spaces. You should uncheck and check again to make it work.
⚠️ Sometimes the menu item shows that it is currently active but you can's see white spaces. You should uncheck and check again to make it work. It is a known bug 🐞
A note about the macOS
In the mac environment, you can search for any menu option under the Help menu, then it will open the exact menu path you are looking for. For example, searching for whitespace result in this: