Mass Enable Frame Blending

This script lets you enable or disable frame blending on a comp and any comps in that comp (and any comps in that precomp, etc.).

To install the script, download it and put it in your Scripts folder (ex: C:\Program Files\Adobe\Adobe After Effects 2021\Support Files\Scripts).

To run it, open After Effects and select File > Scripts > Run Script in the top left of the screen.