HTML5 Canvas and Browser Fingerprinting in old.reddit.com vs reddit.com?

Based on what Librewolf tells me, old.reddit.com wants to know all about my HTML5 canvas (for browser fingerprinting I guess) and new reddit.com doesn't. I'm curious why this would be the case. Both seem to be loading Datadome (which has its own browser fingerprinting suite).

browser canvas fingerprinting old privacy reddit vs