MinIO: Critical Fix 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 1 ⚡ Improvements 2 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

MinIO RELEASE.2020-10-27T04-03-55Z. Source highlight: Critical fixes related to replaced drives. See (#10748, #10759, #10764, #10766) for more details. Affects all releases since

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Who Does This Impact? (Role-Based Analysis)

💻 Software Engineers & Devs

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📊 Product & Engineering Leads

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

⚙️ DevOps & Security

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✨ New Features & Capabilities (1)

docs: Update ILM doc with versioning features (#10714) (10/20/20) (Anis Elleuch)

⚡ Performance & Enhancements (2)

Improvements to caching. See (#10762, #10763) for more details.
IAM related improvements. See (#10719, #10700) for more details.

🔧 Bug Fixes & Patches (6)

Critical fixes related to replaced drives. See (#10748, #10759, #10764, #10766) for more details. Affects all releases since
Fix in Get/HeadObject to return 404 on dangling objects. See (#10753) for more details.
Object layer initialization sequence fix. See (10/19/20) for more details.
s3 gateway DNS cache initialization fix. See (#10706) for more details.
fix: heal rejects objects with disk re-ordering issue (#10766) (10/26/20) (Krishna Srinivas)
fix: use meta.Erasure.Index for GetObject() to reconstruct object (#10764) (10/26/20) (Krishna Srinivas)

📄 View Raw Release Notes (Original Developer Log)

## Highlights - Critical fixes related to replaced drives. See (#10748, #10759, #10764, #10766) for more details. Affects all releases since RELEASE.2020-09-05T07-14-49Z, if you are running any releases since `RELEASE.2020-09-05T07-14-49Z` it is recommended that you should schedule for an upgrade. - Rolling upgrade is not supported (Internode API upgrade) (k8s/container deployments must upgrade all containers at once). - Improvements to caching. See (#10762, #10763) for more details. - Fix in Get/HeadObject to return 404 on dangling objects. See (#10753) for more details. - IAM related improvements. See (#10719, #10700) for more details. - Expire offline lockers. See (#10749) for more details. - Aggressively slow down auto-healing. See (#10730) for more details. - Object layer initialization sequence fix. See (10/19/20) for more details. - s3 gateway DNS cache initialization fix. See (#10706) for more details. ## Changelog - fix: heal rejects objects with disk re-ordering issue (#10766) (10/26/20) (Krishna Srinivas) - fix: use meta.Erasure.Index for GetObject() to reconstruct object (#10764) (10/26/20) (Krishna Srinivas) - cache: rename function declarations (#10763) (10/26/20) (Poorna Krishnamoorthy) - cache: fix call in GetObjectNInfo (#10762) (10/26/20) (Poorna Krishnamoorthy) - fix: Get/HeadObject return 404 on non quorum objects (#10753) (10/26/20) (Anis Elleuch) - fix: retain the previous UUID for newly replaced drives (#10759) (10/26/20) (Harshavardhana) - fix: arm64 Dockerfile with missing \ for multiple ENVs (10/25/20) (Harshavardhana) - turn-off checking for updates completely if MINIO_UPDATE=off (#10752) (10/24/20) (Harshavardhana) - expire lockers if lockers are offline (#10749) (10/24/20) (Harshavardhana) - make sure to preserve UUID from reference format (#10748) (10/24/20) (Harshavardhana) - update STS examples to use latest v7 APIs (10/24/20) (Harshavardhana) - erasure: Commit data before xl.meta in RenameData() (#10734) (10/24/20) (Anis Elleuch) - tests: Avoid running TestNSRace in short test mode (#10735) (10/24/20) (Anis Elleuch) - fix: slow down auto healing more aggressively (#10730) (10/22/20) (Harshavardhana) - tests: Lower expectation in addr selection in rand cache dialer (#10739) (10/22/20) (Anis Elleuch) - validate if iam store is initialized (#10719) (10/20/20) (Poorna Krishnamoorthy) - docs: Update ILM doc with versioning features (#10714) (10/20/20) (Anis Elleuch) - initialize object layer right after config has loaded (10/19/20) (Harshavardhana) - initialize IAM as soon as object layer is initialized (#10700) (10/19/20) (Harshavardhana) - fix: s3 gateway DNS cache initialization (#10706) (10/19/20) (Harshavardhana)

← Older Version MinIO RELEASE.2020-10-18T21-54-12Z Newer Version → MinIO RELEASE.2020-10-28T08-16-50Z