S3 annotations and the question of where object metadata should live (opens in new tab)

On June 17, 2026, AWS Summit New York ran a long line of announcements that filled in the infrastructure for running agents in production. The official blog has the full roundup. One of them reads as plain from the headline alone: S3 annotations. You can attach up to 1 GB of information directly to an object, so the first impression is "tags just got bigger." Reading it as a capacity story misses the point. This changes a decision: where the information attached to an S3 object should live. F...