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When Community Notes expands to new countries, notes typically initially have lower visibility while we measure how helpful those new notes are to people from different points of view. Today, we’re making notes from many new expansion countries visible to everyone on X. A roughly

A Community Note written on a video automatically shows on all posts with matching videos. We just improved the video matching system and it’s now identifying +7% more matches — getting notes in front of more people faster.

Starting today, you can add a source when you request a Community Note. This makes it easier for note writers to understand what context might be helpful on a post, so it can accelerate the process of a note appearing. Initially you can add another X post as a source. We know

New, faster media matching ⚡ When a note is written on an image or video, it automatically shows on all posts with matching media. We accelerated the matching process, and since this update, the majority of notes have started showing on matching posts within ~90 seconds. Getting

~14% of Community Note Requests now contain source links — a big help to note writers! Thank you to everyone who’s taking advantage of this new feature to help accelerate note writing. And new for contributors: All contributors now have the ability to request a note on a post.

We know contributors don't like seeing (or feeling obligated to rate) low-quality proposed notes. Perhaps the note is an opinion that would be better as a reply, or uses language that people feel is biased or argumentative. We launched an update that will help identify more

Under the hood update: We’ve tuned topic assignment to increase the coverage of TopicModels. When scoring a note, the Community Notes algorithm factors in whether the note is found helpful by people who normally disagree. It factors in whether raters have disagreed in general

Under the hood update: Sometimes a note will start showing, and then stop showing as more ratings come in. We just launched an update to reduce such flips. If a note has a promising score, but also a higher potential to flip based on existing rating data, rather than

Under the hood update: We’ve improved the scorer’s ability to identify notes that are found helpful by people who normally disagree, by fundamentally improving its ability to identify past agreement and disagreement. Specifically, today’s update makes it possible for the

Top Writers have expressed frustration when an account copies their note and re-proposes it nearly verbatim on the same post. Understandable! We just launched a change that will show near-replica notes lower in the list of proposed notes on a post. This has the benefit of both

The Needs Your Help feed shows promising notes that could use more ratings. For example, notes from Top Writers, notes with early high scores but few ratings, etc. Now, Needs Your Help will also show notes that have many ratings from people of one perspective, but could use

We open-sourced Community Notes so anyone can study, audit, or help improve it — and so that it can be reused to advance the quality of information across the internet. Exciting to now see Meta deploy the algorithm in their Community Notes launch. Bringing notes to more corners

Under the hood update: Building on an earlier update, the scoring system will now further help to reduce flips on notes that are related to a topic that has an associated topic scoring model. If a note has a promising score, and is being scored by a TopicModel, but that

Under the hood update: If a note has a promising score, but a high predicted potential to flip based on existing rating data, the note first shows to Community Notes contributors as a visible proposed note preview rather than immediately showing across X. This allows it to gather

Under the hood update: In the Community Notes scoring system, Group Models help improve helpful note coverage on segments of the dataset where the primary models tend to identify fewer helpful notes. We’re testing a change that would also allow Group Models to mark notes as Needs

New iOS update: Proposed note previews (visible only to contributors to gather ratings) are now more visually distinct from notes shown across X. Matches Android and web design, with a small wording change on all platforms. Designed to help clarify what you’re seeing. As always,

Under the hood update: We’ve updated note ranking to further fortify against pile-ons or organic waves of ratings from one perspective. Notes now need a minimum number of ratings from raters with different perspectives, ensuring Helpful status reflects a more robust consensus and

Under the hood update: Turns out people like to write notes about scams & behaviors they think are potentially not in accord with policies. We rolled out a new topic model to score these independently. Doing so better models perspectives on these notes in particular, and improves

Under the hood update: We’ve further fortified against both organic and targeted pile-ons by augmenting the bridging algorithm to require more balanced engagement across raters. This approach measures balance based on the Net Helpful Ratings (Helpful minus Not Helpful) from