Subtle changes, bugs and feedback

I'm not sure I understand this? Which are the subscription icons?

I tend to view new posts (not subscribed threads) and found the visual dots (where you've got involved in a conversation) useful.

Granted I could browse new posts and subscribed threads, but that seems much more cumbersome?

In the list of threads, on the right hand side of the thread title (but before "Last Post") is a group of icons:

= Subscribed (usually meaning participation)