The 8.1.4 Release Notes for 8x8 Contact Center offer you the information required to get started with the new features and enhancements of the latest release. Please refer to the product documentation for additional details.
Contact Center User Guides > 8x8 Contact Centre - Release notes > What's new in the 8x8 Contact Center 9.16 release? > Release notes 8.4 (8x8 Work and 8x8 Contact Center with Unified Login)