Reverse Proxy

Traefik Releases

Q: What changed in Traefik v3?

Traefik v3 (released April 2024) dropped the deprecated v2 configuration fields, moved to OpenTelemetry-native observability, added WASM plugin support, brought full HTTP/3 support, and overhauled the middleware chain configuration. The v2 to v3 migration requires config changes but no architectural rethink. Most breaking changes are renaming or moving config keys.

Q: How long is Traefik v2 supported?

Traefik v2 entered maintenance mode when v3 launched. It receives security patches only, with no new features. Traefik Labs has not published a hard EOL date but has signaled that v2 security patches will continue through at least late 2025. Plan your migration to v3 now.

Q: How does Traefik auto-discovery work?

Traefik watches container orchestrators (Docker, Kubernetes, Consul, etc.) and automatically creates routes based on labels or annotations. When a container starts with the right labels, Traefik picks it up within seconds. This is its killer feature compared to Nginx, which requires manual config or external tooling.

Q: Should I use Traefik or Nginx for Kubernetes?

Traefik excels as a Kubernetes ingress controller thanks to its native CRD support (IngressRoute), automatic Let's Encrypt, and middleware chain. Nginx Ingress Controller is more battle-tested at extreme scale. For most clusters under 500 services, Traefik is simpler to operate. Above that, evaluate both under load.

Q: What is Traefik Hub?

Traefik Hub is the commercial API management platform built on Traefik Proxy. It adds API gateway features, access control, API portal, and rate limiting as a managed layer. Open-source Traefik Proxy remains fully functional without Hub.

Q: Does Traefik support gRPC and WebSocket?

Yes. Both gRPC and WebSocket have been supported since Traefik v2. In v3, gRPC load balancing and WebSocket connection handling were improved. No special configuration is needed beyond standard router rules.

Track Traefik proxy releases and version lifecycle. Migration guidance for v2 to v3, provider compatibility, middleware changes, and Docker/Kubernetes integration updates.

Official Site Documentation

—

Total Versions

—

Supported

—

Latest

Version Timeline

All tracked releases with lifecycle status and EOL dates.

Loading version data…

Lifecycle Timeline

Visual overview of active support and maintenance windows.

2.9

2.10

2.11

3.0

3.1

3.2

3.3

2022 2023 2024 2025 2026 2027 2028

Active

Maint

Active

Maint

Active

Maint

Active

Maint

Active

Maint

Active

Maint

Active

Maint

Active / LTS

Maintenance

Today

Upgrade Paths

Migration guidance between major versions — breaking changes, effort estimates, and tips.

v2.x v3.0 Medium Difficulty

Est. 2-4 hours for a typical deployment

Breaking Changes

Deprecated v2 fields removed (require migration)
Middleware chain configuration restructured
EntryPoints TLS configuration syntax changed
Docker provider label format updated for some features
Kubernetes CRD apiVersion bumped
Metrics moved to OpenTelemetry-native (Prometheus still supported)
Some CLI flags renamed or removed

Migration Notes

Traefik provides an official migration guide and a traefik-migration-tool CLI that scans your config and highlights breaking changes. Most configs need 10-30 line changes. The biggest gotcha is middleware chains: if you had custom retry/rateLimit middleware, review the new syntax. Test with --api.insecure and --log.level=DEBUG before going live.

v3.0/3.1 v3.2 Low Difficulty

Est. < 30 minutes

Breaking Changes

WASM plugin improvements (may affect custom plugins)
Enhanced HTTP/3 connection handling
Updated default timeouts

Migration Notes

Minor version upgrades within v3 are smooth. Update the image tag, review the changelog for any deprecation warnings, restart. No config changes needed for standard setups.

Version Risk Assessment

Evaluate risk factors before choosing a version for production.

Version	EOL Risk	CVE Risk	Ecosystem	Cloud Support	Overall	Recommended Action
Traefik 2.9 and older	Critical	High	Abandoned	Degrading	Critical	No patches — upgrade to v3 immediately
Traefik 2.10	Critical	High	Unsupported	Full	Critical	Past EOL — no patches
Traefik 2.11	High	Medium	Maintenance	Full	High	Security-only patches — migrate to v3
Traefik 3.0	Medium	Low	Supported	Full	Medium	Upgrade to latest 3.x for new features
Traefik 3.1	Low	Low	Active	Full	Low	Supported — on upgrade path
Traefik 3.2	Low	Low	Active	Full	Low	Current stable — recommended

Risk assessment based on Traefik Labs support policy, security patch availability, and provider compatibility. Assessed March 2026.

Traefik Version Feature Comparison

Side-by-side feature differences across major versions.

Feature	2.10	2.11	3.0	3.1	3.2
HTTP/3 (QUIC)	Experimental	Experimental	Stable	Stable	Enhanced
WASM plugins	No	No	Experimental	Stable	Stable
OpenTelemetry tracing	No	Partial	Native	Native	Native
Kubernetes Gateway API	Experimental	Experimental	Stable	Stable	Enhanced
Docker provider	Stable	Stable	Stable	Stable	Stable
Auto Let's Encrypt	Stable	Stable	Stable	Stable	Stable
Consul Catalog provider	Stable	Stable	Stable	Stable	Stable
Middleware chain	v2 syntax	v2 syntax	v3 syntax	v3 syntax	v3 syntax
SPIFFE/mTLS support	Experimental	Experimental	Stable	Stable	Stable
Metrics (Prometheus/OTEL)	Prometheus	Prometheus	Both	Both	Both

Embed Badges

Add live Traefik status badges to your README, docs, or dashboard.

Health Status

Overall support health

![Traefik Health Status](https://img.releaserun.com/badge/health/traefik.svg)

EOL Countdown

Next end-of-life date

![Traefik EOL Countdown](https://img.releaserun.com/badge/eol/traefik.svg)

Latest Version

Current stable release

![Traefik Latest Version](https://img.releaserun.com/badge/v/traefik.svg)

CVE Status

Known vulnerabilities

![Traefik CVE Status](https://img.releaserun.com/badge/cve/traefik.svg)

Frequently Asked Questions

Common questions about Traefik releases and lifecycle.

What changed in Traefik v3?

Traefik v3 (released April 2024) dropped the deprecated v2 configuration fields, moved to OpenTelemetry-native observability, added WASM plugin support, brought full HTTP/3 support, and overhauled the middleware chain configuration. The v2 to v3 migration requires config changes but no architectural rethink. Most breaking changes are renaming or moving config keys.

How long is Traefik v2 supported?

Traefik v2 entered maintenance mode when v3 launched. It receives security patches only, with no new features. Traefik Labs has not published a hard EOL date but has signaled that v2 security patches will continue through at least late 2025. Plan your migration to v3 now.

How does Traefik auto-discovery work?

Traefik watches container orchestrators (Docker, Kubernetes, Consul, etc.) and automatically creates routes based on labels or annotations. When a container starts with the right labels, Traefik picks it up within seconds. This is its killer feature compared to Nginx, which requires manual config or external tooling.

Should I use Traefik or Nginx for Kubernetes?

Traefik excels as a Kubernetes ingress controller thanks to its native CRD support (IngressRoute), automatic Let's Encrypt, and middleware chain. Nginx Ingress Controller is more battle-tested at extreme scale. For most clusters under 500 services, Traefik is simpler to operate. Above that, evaluate both under load.

What is Traefik Hub?

Traefik Hub is the commercial API management platform built on Traefik Proxy. It adds API gateway features, access control, API portal, and rate limiting as a managed layer. Open-source Traefik Proxy remains fully functional without Hub.

Does Traefik support gRPC and WebSocket?

Yes. Both gRPC and WebSocket have been supported since Traefik v2. In v3, gRPC load balancing and WebSocket connection handling were improved. No special configuration is needed beyond standard router rules.

Related Tools

Dep EOL Scanner

Check your dependencies for end-of-life packages.

Stack Health Scorecard

Get an overall health grade for your tech stack.

Release Index

Browse all tracked platforms and their release timelines.