Go Releases
Track every Go release from latest stable to end-of-life. Version timelines, EOL dates, security patches, and upgrade guidance for Go developers.
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Total Versions
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Supported
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Latest
Version Timeline
All tracked releases with lifecycle status and EOL dates.
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Lifecycle Timeline
Visual overview of active support and maintenance windows.
Upgrade Paths
Migration guidance between major versions — breaking changes, effort estimates, and tips.
Breaking Changes
- Timer/Ticker changes: Stop prevents future Resets from firing
- Channels from time.NewTimer/NewTicker are now unbuffered
- Range-over-func iterators added (new language feature)
Migration Notes
The timer/ticker behavior change is the most impactful. If your code relies on buffered timer channels or calls Reset() after Stop(), test carefully. Range-over-func is purely additive. Update go.mod toolchain directive.
Breaking Changes
- crypto/x509: stricter SHA-1 certificate verification
- Go telemetry introduced (opt-out via gotelemetry off)
- os.Root type added for safe file system operations
Migration Notes
Very smooth upgrade. SHA-1 cert verification is stricter but only affects legacy certificates. Telemetry is transparent and opt-out if desired. New generic map/slice helpers in stdlib are additive.
Breaking Changes
- crypto/tls: TLS 1.0/1.1 client support removed by default
- Swiss table-based map implementation (transparent, faster)
- sync.Map Range callback now passes pointers
Migration Notes
TLS 1.0/1.1 removal could affect connections to very old servers. Set GODEBUG=tlsmin=0x0301 as a temporary workaround. The new map implementation is a transparent performance win with no API changes.
Breaking Changes
- testing/synctest package for concurrent test synchronization
- os.Root expanded with Mkdir, Remove, Stat, Lstat methods
- New strings/bytes iterator functions
Migration Notes
Very clean upgrade. Go 1.26 is mostly additive. The backward compatibility promise means your existing code compiles and runs without changes. Focus testing on any crypto or network-sensitive code paths.
Version Risk Assessment
Evaluate risk factors before choosing a version for production.
| Version | EOL Risk | CVE Risk | Ecosystem | Cloud Support | Overall | Recommended Action |
|---|---|---|---|---|---|---|
| Go 1.23 | Critical | High | EOL | Dropping | Critical | EOL Aug 2025. No security patches. Upgrade immediately. |
| Go 1.24 | High | Medium | Maintenance | Supported | High | EOL Feb 2026. Approaching end of support. Plan upgrade. |
| Go 1.25 | Low | Low | Active | Full | Low | Supported. Receiving security patches. Production-ready. |
| Go 1.26 | None | Low | Active | Full | Low | Latest release (Feb 2026). Recommended for new projects. |
Go supports only the two most recent major versions with security patches. Older versions receive nothing. The strong backward compatibility promise (since Go 1.0) means upgrading rarely breaks code, but staying on unsupported versions exposes you to unpatched CVEs in the standard library and runtime.
Go Version Feature Comparison
Side-by-side feature differences across major versions.
| Feature | 1.22 | 1.23 | 1.24 | 1.25 | 1.26 |
|---|---|---|---|---|---|
| Range over integers | New | Stable | Stable | Stable | Stable |
| Range over func (iterators) | Experimental | New | Stable | Stable | Stable |
| Enhanced HTTP routing | New | Stable | Stable | Stable | Stable |
| Go telemetry | No | No | New (opt-out) | Stable | Stable |
| os.Root (safe file ops) | No | No | New | Expanded | Full |
| Swiss table maps | No | No | No | New | Stable |
| TLS 1.0/1.1 client | Supported | Supported | Supported | Removed | Removed |
| testing/synctest | No | No | No | No | New |
| Backward compat promise | Full | Full | Full | Full | Full |
| Performance vs 1.22 | Baseline | +2-5% | +3-7% | +5-10% (maps) | + 7-12% |
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Health Status
Overall support health
EOL Countdown
Next end-of-life date
Latest Version
Current stable release
CVE Status
Known vulnerabilities
Frequently Asked Questions
Common questions about Go releases and lifecycle.