- OpenAPI spec now correctly marks delete request's body parameter as optional ([#70032](https://github.com/kubernetes/kubernetes/pull/70032), [@iamneha](https://github.com/iamneha))
- The rules for incrementing `metadata.generation` of custom resources changed: ([#69059](https://github.com/kubernetes/kubernetes/pull/69059), [@caesarxuchao](https://github.com/caesarxuchao))

### Other notable announcements

SIG Network is moving IPv6 to Beta in Kubernetes 1.18, after incrementing significantly the test coverage with new CI jobs.

     * entry must be removed if it is a zombie.
     */
    internal var currentEditor: Editor? = null

    /**
     * Sources currently reading this entry before a write or delete can proceed. When decrementing
     * this to zero, the entry must be removed if it is a zombie.
     */
    internal var lockingSourceCount = 0

    /** The sequence number of the most recently committed edit to this entry. */

initial value // for a single encryption, or 4 or 8 // stitched encryptions implemented // with interleaving vciphers. // // The input value for each encryption // is generated by XORing the counter // from V30 with the first key in VS0 // and incrementing the counter. // // Single encryption in V15 #define GEN_VCIPHER_INPUT \ XXLOR VS0, VS0, V29 \ VXOR V30, V29, V15; \ VADDUWM V30, V31, V30 // 4 encryptions in V15 - V18 #define GEN_VCIPHER_4_INPUTS \ XXLOR VS0, VS0, V29; \ VXOR V30, V29, V15; \...