No, it does not.

Because it uses the XCursor format, which is a quite old standard. Getting apps to switch to a newer standard that has vector graphics is already hard enough. Getting them to do so without burning your GPU is basically impossible.

This sounds very similar to ObsidianOS.

I found that Limine (bootloader) has the fastest decryption when paired with LUKS at least for my laptop.

Limine does not have decryption, that’s just the linux kernel.