Seen on reddit : In november, number of active user on Lemmy started to grow again and number of monthly comment has beaten June record : https://lemmy.fediverse.observer/stats

The number of active user stopped decreasing since the June peak, and the month with the less of active users was october. So it seems that Lemmy userbase has at least reached stability and may-be a growth.
More interesting, even though the number of user was dropping after the June’s peak, the number of message/comment didn’t fall that much. So the remaining user were the “active ones”, at the point that there was above 12 millions comment in November compared to 11 million in July after the reddit strike. Looks like many people found a new place to shitpost, and are actually engaging there.