Made improvements to enable organizations to manage their Solution Central user accounts and authorization using their own Azure Active Directory tenant. Organizations can choose to take control of managing their users and eliminate their dependency on PTC. See the Take Control of Managing Your Organization’s Users topic for details.

Improved cookie handling to enhance security.

SC-1100

Fixed an issue that was causing the server to stop processing a request on certain malformed input, and not send a response.

SC-1388

Upgraded third-party libraries for enhanced security.

SC-1557,

SC-1629

Enhanced the Instances page to allow sorting by DESCRIPTION.

SC-1657

Made security improvements.

SC-1894