### Bug or Regression

- Fixes a spurious "namespace not found" error possible in default configurations in 1.30+ when using ValidatingAdmissionPolicy or MutatingAdmissionPolicy to intercept namespaced objects in newly-created namespaces ([#135359](https://github.com/kubernetes/kubernetes/pull/135359), [@liggitt](https://github.com/liggitt)) [SIG API Machinery]

all.  `But perhaps it was only sobbing,' she thought, and looked
into its eyes again, to see if there were any tears.

  No, there were no tears.  `If you're going to turn into a pig,
my dear,' said Alice, seriously, `I'll have nothing more to do
with you.  Mind now!'  The poor little thing sobbed again (or
grunted, it was impossible to say which), and they went on for
some while in silence.

    void initTable(AtomicReferenceArray<ReferenceEntry<K, V>> newTable) {
      this.threshold = newTable.length() * 3 / 4; // 0.75
      if (!map.customWeigher() && this.threshold == maxSegmentWeight) {
        // prevent spurious expansion before eviction
        this.threshold++;
      }
      this.table = newTable;
    }

    @GuardedBy("this")