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Tags: Compatibility

  • An Unsigned Header Is Not Part of the Request

    In Design

    DesignSecuritySigV4CopyObjectPresignedCompatibility

    An Unsigned Header Is Not Part of the Request

    This record describes the unsigned-header coverage repair committed to SILO as 123325430 and merged through PR #173, tracked as SN-2026-011. It was reported by Oren Yomtov against a released build and reproduced locally on both signature paths. …

    This record describes the unsigned-header coverage repair committed to SILO as 123325430 and merged through PR #173, tracked as SN-2026-011. It was reported by Oren Yomtov against a released build and reproduced locally on both signature paths. …

  • SILO Server 20260903 Pre-release Review

    In Design

    DesignReviewSecurityCompatibilityRelease

    SILO Server 20260903 Pre-release Review

    This is the durable pre-release engineering record behind SILO 20260903. It explains why an earlier “all issues are solved” assessment was not accepted at face value, what the independent review found, how the fixes were narrowed, and which gates …

    This is the durable pre-release engineering record behind SILO 20260903. It explains why an earlier “all issues are solved” assessment was not accepted at face value, what the independent review found, how the fixes were narrowed, and which gates …

  • Explicit Version Deletes Now Require DeleteObjectVersion

    In Release

    ReleaseSecurityIAMS3Compatibility

    Explicit Version Deletes Now Require DeleteObjectVersion

    Release status: this change is implemented in pgsty/silo#104, tracking issue #58. Publishing this note does not by itself mean that a server release, package, image, or deployment contains the change. SILO now maps object-delete authorization to the …

    Release status: this change is implemented in pgsty/silo#104, tracking issue #58. Publishing this note does not by itself mean that a server release, package, image, or deployment contains the change. SILO now maps object-delete authorization to the …

  • No I/O Before Auth, No Privilege From Headers

    In Design

    DesignSecurityCORSReplicationSSE-CCompatibility

    No I/O Before Auth, No Privilege From Headers

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

  • ListMultipartUploads: Implementation, Upgrade Contract and Design History

    In Design

    DesignS3CompatibilityMultipart

    ListMultipartUploads: Implementation, Upgrade Contract and Design History

    This is the problem, design, and decision record for SILO issue #79. September 16 implementation and upgrade contract PR #198 retains mr javad seydi’s original metadata-and-scan contribution and adds maintainer fixes for disappearing markers, …

    This is the problem, design, and decision record for SILO issue #79. September 16 implementation and upgrade contract PR #198 retains mr javad seydi’s original metadata-and-scan contribution and adds maintainer fixes for disappearing markers, …

  • Read-Only Checksum Audit and Reliable CLI Output

    In Design

    DesignS3CompatibilityChecksummcli

    Read-Only Checksum Audit and Reliable CLI Output

    This is the design and implementation record for MCLI’s read-only checksum verification workflow and pgsty/mc#5, the non-TTY output defect found during release review. Status: shipped in the final mcli 20260903 release. The command merged to main …

    This is the design and implementation record for MCLI’s read-only checksum verification workflow and pgsty/mc#5, the non-TTY output defect found during release review. Status: shipped in the final mcli 20260903 release. The command merged to main …

  • Two SSE-C Keys, One CopyObject Response

    In Design

    DesignS3SSE-CChecksumCompatibility

    Two SSE-C Keys, One CopyObject Response

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

  • Config Environment Files Are Not Shell Scripts

    In Design

    DesignConfigurationCompatibilityOperations

    Config Environment Files Are Not Shell Scripts

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

  • BadDigest, InvalidRequest, and the CompleteMultipartUpload Checksum Contract

    In Design

    DesignS3CompatibilityChecksum

    BadDigest, InvalidRequest, and the CompleteMultipartUpload Checksum Contract

    The repairs for #48 and #50 are included in Server 20260903. This record supersedes the August proposal to leave CRC64NVME canonicalization unchanged. Why validation belongs at completion Initiation selects the checksum algorithm and object type; …

    The repairs for #48 and #50 are included in Server 20260903. This record supersedes the August proposal to leave CRC64NVME canonicalization unchanged. Why validation belongs at completion Initiation selects the checksum algorithm and object type; …

  • A ListObjects Shortcut Must Not Turn a Missing Bucket into an Empty One

    In Design

    DesignS3CompatibilityListObjects

    A ListObjects Shortcut Must Not Turn a Missing Bucket into an Empty One

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

  • One Endpoint, Two Privileges: Separating User and Group Status

    In Design

    DesignIAMSecurityCompatibility

    One Endpoint, Two Privileges: Separating User and Group Status

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

  • Conditional DELETE: One Condition, One Logical Object

    In Design

    DesignS3CompatibilityDELETE

    Conditional DELETE: One Condition, One Logical Object

    Status, 2026-09-16: PR #145 added single-object conditional deletion; PR #178 subsequently repaired multi-pool serialization and reconciliation. Neither change is in published Server 20260903. Check the component matrix before relying on this …

    Status, 2026-09-16: PR #145 added single-object conditional deletion; PR #178 subsequently repaired multi-pool serialization and reconciliation. Neither change is in published Server 20260903. Check the component matrix before relying on this …

  • Why CompleteMultipartUpload Must Return ChecksumType: Review of PR #57

    In Design

    DesignS3CompatibilityChecksum

    Why CompleteMultipartUpload Must Return ChecksumType: Review of PR #57

    PR #57, contributed by Shooks (@Dansyuqri), fixed #47. The repair is included in Server 20260903. This records the response contract; production deployment remains specific to the artifact and installation an operator actually runs. The defect and …

    PR #57, contributed by Shooks (@Dansyuqri), fixed #47. The repair is included in Server 20260903. This records the response contract; production deployment remains specific to the artifact and installation an operator actually runs. The defect and …

  • Optional Checksums, Mandatory Failure: Repairing UploadPart and UploadPartCopy Compatibility

    In Design

    DesignS3CompatibilityChecksum

    Optional Checksums, Mandatory Failure: Repairing UploadPart and UploadPartCopy Compatibility

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

  • DSN-Only Database Notifications: A Compatibility Boundary for #53

    In Design

    DesignNotificationCompatibility

    DSN-Only Database Notifications: A Compatibility Boundary for #53

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …

    Release check (2026-09-16): the original repair described here is included in Server 20260903. Dated review and test accounts below record their original evidence, not a still-pending release or acceptance of a particular production installation. …