Per the answer to What criteria are used to select the links that appear in the community bulletin sidebar block?, only two featured posts on Meta Stack Exchange can appear in the community bulletin sidebar:
Additionally, up to two featured posts from Meta Stack Exchange will appear in the community bulletins of all main sites
However, I just looked at The Workplace's community bulletin now, and there are three featured posts from Meta Stack Exchange, in addition to two from its per-site meta:
Is this a bug, or is this an intentional change made at some point? Or is there a manual exception being made that will be removed once these featured posts run their course and are un-featured?