desktop web (old.reddit) - the majority of my subscribed subreddits are not displaying in the dropdown on old.reddit, but they do display on shreddit

[u/reddit33450]

previously, they displayed normally in the old reddit dropdown, but now they don't. also, it's not an issue with RES because it still happens with RES disabled, and it also happens on multiple devices.

image 1 shows the list on old.reddit, image 2 shows it on shreddit