Enhancements:

• [consul,consulcatalog] Support multiple namespaces for Consul and ConsulCatalog providers (#8979 by rtribotte)
• [http3] Upgrade quic-go to v0.27.0 (#8922 by tomMoulard)
• [http3] Upgrade quic-go to v0.26.0 (#8874 by sylr)
• [logs] Add destination address to debug log (#9032 by qmloong)
• [middleware,provider,tls] Deprecate caOptional option in client TLS configuration (#8960 by kevinpollet)
• [middleware] Support URL replacement in errors middleware (#8956 by tomMoulard)
• [middleware] Allow config of additional CircuitBreaker params (#8907 by aidy)
• [provider] Implement Traefik provider for Nomad orchestrator (#9018 by shoenig)
• [server] Allow HTTP/2 max concurrent stream configuration (#8781 by tomMoulard)
• [tls,k8s/crd] Support certificates configuration in TLSStore CRD (#8976 by kevinpollet)
• [webui,pilot,hub] Add Traefik Hub button and deprecate Pilot (#9091 by ldez)
• [webui,plugins] Reach the catalog of plugins from the Traefik dashboard (#9055 by seedy)

Bug fixes:

• [nomad] Use configured token in the Nomad client (#9111 by kevinpollet)

Documentation:

• Prepare release v2.8.0-rc2 (#9134 by rtribotte)
• Prepare release v2.8.0-rc1 (#9097 by rtribotte)

Misc:

• Merge current v2.7 into v2.8 (#9142 by rtribotte)
• Merge current v2.7 into v2.8 (#9133 by rtribotte)
• Merge current v2.7 into master (#9095 by rtribotte)
• Merge current v2.7 into master (#9085 by tomMoulard)
• Merge current v2.7 into master (#9060 by rtribotte)
• Merge current v2.7 into master (#9052 by rtribotte)
• Merge current v2.7 into master (#8959 by tomMoulard)