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Better ACL S3 control and more

calendar_today October 9, 2026 person Wojtek domain convention-over-configuration

Hi, Wojtek here. Let’s explore this week’s changes in the Rails codebase. Stop setting the public-read ACL on S3 uploads for services configured with public: true Bucket owner enforced is now both the default and the recommended S3 object ownership setting, and rejects any request that specifies an ACL.

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