MinIO 2021.4 lifecycle

Current status

end of lifehigh

MinIO 2021.4 reached end of life on 12 May 2021. Security and bug fixes are no longer provided by the project according to published lifecycle data.

This line is end of life.

Plan your upgrade →

Official lifecycle source: MinIO GitHub Releases

Support phase: end of life
End of life: 12 May 2021
Latest release: 2021.4.22
Released: 22 Apr 2021

At a glance

Version line: 2021.4
Initial release: 18 Apr 2021
Lifecycle phase: end of life
Latest stable: 2021.4.22
Latest release date: 22 Apr 2021
EOL: 12 May 2021
Risk: high
Releases tracked: 3

Lifecycle timeline

Phases from published LifecyclePeriod records. Missing phases are not inferred.

Release
18 Apr 2021
standard support
18 Apr 2021 → 12 May 2021
Source: MinIO GitHub Releases
end of lifecurrent
12 May 2021 → —
Source: MinIO GitHub Releases

MinIO 2021.4 reached end of life on 12 May 2021. Security and bug fixes are no longer provided by the project according to published lifecycle data.

Upgrade options

Newer supported MinIO version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.

You are on MinIO 2021.4

End of lifeEOL 12 May 2021

Supported upgrade options

MinIO 2025.10
Supported· 4 major versions newer
Upgrade planner →

Open full upgrade planner for MinIO 2021.4 →

Latest release

2021.4.22

Released 22 Apr 2021 · stable

https://github.com/minio/minio/releases/tag/RELEASE.2021-04-22T15-44-28Z

Previous releases

2021.4.18
18 Apr 2021
2021.4.6
6 Apr 2021

Release history

3 concrete releases tracked for this line.

Version	Release date	Channel	Source
2021.4.22	22 Apr 2021	stable	Source
2021.4.18	18 Apr 2021	stable	Source
2021.4.6	6 Apr 2021	stable	Source

Release activity

Total releases: 3
Last 30 days: 0
Last 90 days: 0
Avg. interval: ~8 days
Most recent: 22 Apr 2021

Should I use this version?

Not recommended for new deployments

Upgrade to a currently supported release line. Recommended target: MinIO 2025.10.

Version comparison

Compact comparison against the nearest relevant release lines.

	2021.4	2025.10
Status	end of life	standard support
Latest release	2021.4.22	2025.10.15
EOL	May 2021	Not published
Risk	high	low

Sources

Where this information comes from.

Lifecycle sources

MinIO GitHub Releasesfirst party · high confidence
Official source: https://github.com/minio/minio/releases
Last verified 2 Sept 2026
MinIO README Support Notefirst party
Official source: https://github.com/minio/minio/blob/master/README.md
Verification time not recorded
OSV.devfirst party
Official source: https://osv.dev
Verification time not recorded
NVD (NIST)first party
Official source: https://nvd.nist.gov
Verification time not recorded
CISA Known Exploited Vulnerabilitiesfirst party
Official source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Verification time not recorded

Release sources

MinIO GitHub Releasesfirst party · high confidence
Official source: https://github.com/minio/minio/releases
Last verified 2 Sept 2026

Data coverage

Last checked = last successful upstream check. Latest source update = when upstream content last changed.

Releases tracked: 3
Lifecycle periods: 2
EOL: Known
Provenance records: 3
Data last checked: 2 Sept 2026
Latest source update: 2 Sept 2026