You can't apply auto-layout on multiple selected frames at once, which will wrap all selected frames in a new frame with auto-layout instead. This plugin traverses the selected frames and apply auto-layout to each, one at a time.
- Clone this repository
- In Figma, Select Plugins > Development > Import plugin from manifest…
- Choose manifest.json in the cloned repository
- Select frame(s) you wish to apply auto-layout to
- Select Plugins > Development > Figma Auto-layout Each