WinterFlow.io - Traefik + CloudFlare v3.6.8 release notes

Bug fixes:

[acme] Remove invalid private key in log (#12574 by juliens)
[acme] Alter TLS renewal period (#12479 by LtHummus)
[healthcheck] Reject absolute URL in healthcheck path configuration (#12653 by rtribotte)
[http3] Bump github.com/quic-go/quic-go to v0.59.0 (#12553 by jnoordsij)
[metrics,tracing,accesslogs] Fix ObservabilityConfig SetDefaults (#12636 by mmatur)
[server] Remove conn deadline after STARTTLS negociation (#12639 by rtribotte)
[tls] Fix verifyServerCertMatchesURI function behavior (#12575 by kevinpollet)
[tracing,otel] Use ParentBased sampler to respect parent span sampling decision (#12403 by xe-leon)
[webui] Use url.Parse to validate X-Forwarded-Prefix value (#12643 by kevinpollet)
[healthcheck] Validate healthcheck path configuration (#12642 by @rtribotte)
[tls, server] Cap TLS record length to RFC 8446 limit in ClientHello peeking (#12638 by @mmatur)
[service] Avoid recursion with services (#12591 by juliens)
[webui] Bump dependencies of documentation and webui (#12581 by gndz07)

Documentation:

[k8s] Fix kubernetes.md with correct http redirections (#12603 by MartenM)
[middleware,k8s/crd] Fix the errors middleware’s document for Kubernetes CRD (#12600 by yuito-it)
[tls] Clarify SNI selection (#12482 by AnuragEkkati)
Fix typo on JWT documentation (#12616 by mdevino)
Add @gndz07 as a current maintainer (#12594 by emilevauge)
Remove extraneous dots in migration guide (#12571 by dathbe)
Document Path matcher placeholder removal in v3 migration guide (#12570 by sheddy-traefik)
Improve Service Reference page (#12541 by sheddy-traefik)
Document negative priority support for routers (#12505 by understood-the-assignment)
Improve the structure of the routing reference pages (#12429 by sheddy-traefik)
Clean Up Menu Entries & Update Expose Overview (#12405 by sheddy-traefik)
Split Expose User Guides & Add Multi-Layer Routing Section (#12238 by sheddy-traefik)
Remove extra dots in migration guide (#12573 by rtribotte)

Misc: