Liquid Glass Transparency Effects on macOS 27Revisionas of Friday, 18 September 2026 at 21:10 UTC

These don’t really appear to work for me but jotting here anyway. (Cached from this post).

Softer scroll edge

# System-wide
defaults write -g MPV8 -bool false

# Per-app example: Mail
defaults write com.apple.mail MPV8 -bool false

# Restore system default
defaults delete -g MPV8

# Restore Mail default
defaults delete com.apple.mail MPV8

Fully transparent

# System-wide
defaults write -g NSScrollPocketEnabled -bool false

# Per-app example: Mail
defaults write com.apple.mail NSScrollPocketEnabled -bool false

# Restore system default
defaults delete -g NSScrollPocketEnabled

# Restore Mail default
defaults delete com.apple.mail NSScrollPocketEnabled

Restart affected apps, or reboot Mac.