X is building a new way to find posts for you
A new 'similar posts' source appeared
X added a new place to pull recommended posts from (called 'sid source'). From the settings it looks like it finds posts similar to ones you've already engaged with, capped at 800 per feed. We can't see whether it's switched on for everyone yet.
What to do: Nothing to change yet. If it goes live, posts that look like your audience's favourites could travel further.
low confidence Low confidence: new or experimental code. We can't tell how live it is. Source commit 76843a5