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Merge current branch v2.4 into master

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Jean-Baptiste Doumenjou 2021-03-31 09:43:04 +02:00
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26
docs/content/migration/v2.md
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@ -8,7 +8,7 @@ In v2.1, a new Kubernetes CRD called `TraefikService` was added.
While updating an installation to v2.1,
one should apply that CRD, and update the existing `ClusterRole` definition to allow Traefik to use that CRD.
To add that CRD and enhance the permissions, following definitions need to be applied to the cluster.
To add that CRD and enhance the permissions, the following definitions need to be applied to the cluster.
```yaml tab="TraefikService"
apiVersion: apiextensions.k8s.io/v1beta1
@ -87,7 +87,7 @@ In v2.2, new Kubernetes CRDs called `TLSStore` and `IngressRouteUDP` were added.
While updating an installation to v2.2,
one should apply that CRDs, and update the existing `ClusterRole` definition to allow Traefik to use that CRDs.
To add that CRDs and enhance the permissions, following definitions need to be applied to the cluster.
To add that CRDs and enhance the permissions, the following definitions need to be applied to the cluster.
```yaml tab="TLSStore"
apiVersion: apiextensions.k8s.io/v1beta1
@ -337,6 +337,28 @@ The file parser has been changed, since v2.3 the unknown options/fields in a dyn
In `v2.3`, the support of `IngressClass`, which is available since Kubernetes version `1.18`, has been introduced.
In order to be able to use this new resource the [Kubernetes RBAC](../reference/dynamic-configuration/kubernetes-crd.md#rbac) must be updated.
## v2.3 to v2.4
### ServersTransport
In `v2.4.0`, the support of `ServersTransport` has been introduced.
It is therefore necessary to update [RBAC](../reference/dynamic-configuration/kubernetes-crd.md#rbac) and [CRD](../reference/dynamic-configuration/kubernetes-crd.md) definitions.
## v2.4.7 to v2.4.8
### Non-ASCII Domain Names
In `v2.4.8` we introduced a new check on domain names used in HTTP router rule `Host` and `HostRegexp` expressions,
and in TCP router rule `HostSNI` expression.
This check ensures that provided domain names don't contain non-ASCII characters.
If not, an error is raised, and the associated router will be shown as invalid in the dashboard.
This new behavior is intended to show what was failing silently previously and to help troubleshooting configuration issues.
It doesn't change the support for non-ASCII domain names in routers rules, which is not part of the Traefik feature set so far.
In order to use non-ASCII domain names in a router's rule, one should use the Punycode form of the domain name.
For more information, please read the [HTTP routers rule](../routing/routers/index.md#rule) part or [TCP router rules](../routing/routers/index.md#rule_1) part of the documentation.
## v2.4 to v2.5
### Kubernetes CRD