/tags/compatibility/Recent content in Compatibility on Momo Engineering Journal/images/og-image.png/images/og-image.pngHugoen-usWed, 28 Oct 2026 17:47:15 -0600/posts/035-s3-501-discipline-remaining-ops/Mon, 24 Aug 2026 21:44:12 +0000/posts/035-s3-501-discipline-remaining-ops/Final 501 sweep: SelectObjectContent, UploadPartCopy, analytics, inventory, metrics, intelligent-tiering now return honest 501 NotImplemented./posts/034-s3-501-discipline-object-subresources/Mon, 24 Aug 2026 21:13:07 +0000/posts/034-s3-501-discipline-object-subresources/5 object-level query parameters now return honest 501 NotImplemented instead of silently falling into GetObject/PutObject/DeleteObject./posts/033-s3-501-discipline-bucket-config/Mon, 24 Aug 2026 20:00:50 +0000/posts/033-s3-501-discipline-bucket-config/16 bucket config subresources (versioning, ACL, policy, CORS, lifecycle, etc.) now return honest 501 NotImplemented instead of silently misrouting to ListObjects/GetObject.