Tame DaVinci Resolve's Magic Mask using exported Color page alpha-channels (Updated for Resolve 19)

(2026 UPDATE: In Resolve 21, you can now do all of this with a single click using the new "Render Magic Mask in Place" feature!) This video explains how to render out transparency created in DaVinci Resolve Color Page nodes to standalone matte files, including workflow caveats when using Resolve 19's new "Node Graph Stack" feature with alpha outputs. This comes in handy if you find yourself constantly fighting with the volatility of Resolve's "Magic Mask" feature! https://www.postproductive.tv/2024/07...