MinIO: Minor Bugfix Release

Source available — automated, not human-reviewed

Component: minio · Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified — check source notes

📄 .MD

✨ Features 2 🔧 Bug Fixes 5

⚡ Executive Summary (TL;DR)

MinIO RELEASE.2021-06-09T18-51-39Z. Source highlight: Click here to download the latest version of MinIO.

Visit MinIO Official Site ↗ Official Release Source ↗ All MinIO Releases 📡 MinIO RSS

Who Does This Impact? (Role-Based Analysis)

💻 Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

📊 Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

⚙️ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

✨ New Features & Capabilities (2)

**NOTE**: It is advised that anyone upgrading from any release from 2020 should directly upgrade to RELEASE.2021-06-07T21-40-51Z - (*or any release prior to RELEASE.2021-05-11T23-27-41Z so that you can then directly upgrade to RELEASE.2021-06-07T21-40-51Z or later*). A healing issue that leads to premature truncation of objects when healing legacy content before versioning was introduced refer #12459, #12410, and #12451
docs: add missing admin actions (#12442) (06/09/21) (iternity-dotcom)

🔧 Bug Fixes & Patches (5)

Fix crash observed in certain scenarios in getServerPoolsAvailableSpace() and audit objectErasureMap. See (#12477, #12478) for more details.
fix: getServerPoolsAvailableSpace() shouldn't crash (#12478) (06/09/21) (Harshavardhana)
fix: safe update of the audit objectErasureMap (#12477) (06/09/21) (Anis Elleuch)
fix: allow GetBucketLifecycle in NAS gateway (06/08/21) (Harshavardhana)
fix typo in Grafana dashboard json (#12471) (06/09/21) (Nitish Tiwari)

📄 View Raw Release Notes (Original Developer Log)

## Highlights - Click [here](https://min.io/download) to download the latest version of MinIO. - Click [here](https://min.io/pricing) for production support. - **NOTE**: It is advised that anyone upgrading from any release from 2020 should directly upgrade to RELEASE.2021-06-07T21-40-51Z - (*or any release prior to RELEASE.2021-05-11T23-27-41Z so that you can then directly upgrade to RELEASE.2021-06-07T21-40-51Z or later*). A healing issue that leads to premature truncation of objects when healing legacy content before versioning was introduced refer #12459, #12410, and #12451 - Fix crash observed in certain scenarios in getServerPoolsAvailableSpace() and audit objectErasureMap. See (#12477, #12478) for more details. - Remove support for deprecated MINIO_KMS_MASTER_KEY. See (#12463) for more details. - Always get actual size in CopyObjectPart. See (#12466) for more details. ## Changelog - fix: getServerPoolsAvailableSpace() shouldn't crash (#12478) (06/09/21) (Harshavardhana) - fix: safe update of the audit objectErasureMap (#12477) (06/09/21) (Anis Elleuch) - docs: add missing admin actions (#12442) (06/09/21) (iternity-dotcom) - fix: allow GetBucketLifecycle in NAS gateway (06/08/21) (Harshavardhana) - fix typo in Grafana dashboard json (#12471) (06/09/21) (Nitish Tiwari) - remove support for deprecated MINIO_KMS_MASTER_KEY (#12463) (06/08/21) (Harshavardhana) - rest: healthcheck should not update failure metrics (#12458) (06/08/21) (Anis Elleuch) - Always get actual size in CopyObjectPart (#12466) (06/08/21) (Klaus Post)

← Older Version MinIO RELEASE.2021-06-07T21-40-51Z Newer Version → MinIO RELEASE.2021-06-14T01-29-23Z