X's algorithm reveals Brazil 2026 election content filter in source code

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A file named 'brazil_2026_election_filter.rs' has been discovered in X's publicly available recommendation algorithm repository on GitHub. The filter appears designed to moderate or restrict election-related content in the 'For You' timeline for users in Brazil ahead of the 2026 elections. The finding was shared on Hacker News, where it attracted modest attention with 8 points and 2 comments. The existence of such a filter suggests X is proactively preparing content moderation measures specific to the Brazilian electoral context.

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