NSX-T Data Center 184.108.40.206 is an update release that comprises bug fixes only. See "Resolved Issues" below for the list of issues resolved in this release. See the VMware NSX-T Data Center 3.2 Release Notes for the list of new features introduced in NSX-T 3.2. See the VMware NSX-T Data Center 3.2.1 Release Notes for the current known issues.
Introduction of the NSX Upgrade Evaluation Tool - Customers upgrading to NSX-T 220.127.116.11 are strongly encouraged to run the NSX Upgrade Evaluation Tool before starting the upgrade process. The tool is designed to ensure success by checking the health and readiness of your NSX Managers prior to upgrading.