Change:
Follow up from , tracked in Supported skew and upgrade order for kube-controller-manager/kube-scheduler is not clear in user-facing documentation: [ ] is a specific upgrade order between and required? Page to Update:
/wg lts
The scheduler is a controller. There should not be an ordering requirement; it's easy to imagine ways of getting an ordering requirement, but I consider them all to be bugs (e.g., scheduler depends on semantics of a particular controller at the same version).
/language en
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/priority backlog Is that OK?
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/remove-lifecycle rotten
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/reopen /remove-lifecycle rotten /lifecycle frozen
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/triage accepted
Reached out in #sig-scheduling chat to potentially get some movement on this and determine what update is needed (either clarify that upgrade order of and doesn't matter, or clarify what the order should be) /assign
Answer: there must not be a specific ordering needed between those two components. In practice, they get locks independently and the most common way of upgrading them (a VM at a time) means all four combinations of versions are possible, and a single upgrade could even see splits both ways.
Thanks

Discussion:
* The `kube-apiserver` instances these components communicate with are at **{{< skew currentVersion >}}** (in HA clusters in which these control plane components can communicate with any `kube-apiserver` instance in the cluster, all `kube-apiserver` instances must be upgraded before upgrading these components) <del> Upgrade `kube-controller-manager`, `kube-scheduler`, and `cloud-controller-manager` to **{{< skew currentVersion >}}** </del> <ins> Upgrade `kube-controller-manager`, `kube-scheduler`, and `cloud-controller-manager` to **{{< skew currentVersion >}}**. There is no required upgrade order between `kube-controller-manager`, `kube-scheduler`, and `cloud-controller-manager`. You can upgrade these components in any order, or even simultaneously. </ins> ### kubelet