The End of SW Maintenance Releases Date is the last date that Cisco Engineering may release any final software maintenance releases or bug fixes. After this date, Cisco Engineering will no longer develop, repair, maintain, or test the product software.
From CCO Field Notice – 18th March 2019
Product Migration Options
Customers planning to use a feature that is available on a NX-OS 8.0, 8.1 or 8.2 release trains on Nexus 7000 should migrate to NX-OS 8.2 release train as the long lived release. Otherwise customers can migrate to NX-OS 7.3 release train as the long-lived release.