I'm using OpenType.js via https://proxzima.dev/CharacterMap/ to preview the unicodes.
Delugia version: v2111.01.2
Delugia Complete (No scaling of unicodes as expected)

Delugia Book (Scaling of all other unicodes as expected except Powerline Extra Symbols)

Caskaydia Cove (Scaling of unicodes as expected)

I'm using OpenType.js via https://proxzima.dev/CharacterMap/ to preview the unicodes.
Delugia version:
v2111.01.2Delugia Complete(No scaling of unicodes as expected)Delugia Book(Scaling of all other unicodes as expected exceptPowerline Extra Symbols)Caskaydia Cove(Scaling of unicodes as expected)