- CRD `x-kubernetes-validations` rules now support the CEL functions: `isSorted`, `sum`, `min`, `max`, `indexOf`, `lastIndexOf`, `find` and `findAll`. ([#108312](https://github.com/kubernetes/kubernetes/pull/108312), [@jpbetz](https://github.com/jpbetz))
- Changes the kubectl `--validate` flag from a bool to a string that accepts the values {true, strict, warn, false, ignore}