This is not quite a command palette, but in macOS apps, you can press command-shift-/ to search the names of menu commands. I use that frequently in apps that

This is not quite a command palette, but in macOS apps, you can press command-shift-/ to search the names of menu commands. I use that frequently in apps that I don't use regularly (and hence don't remember where all the menu items are). Very helpful for discoverability.