Maya 2022 provides Bifrost 2.2.1.0 which includes new features, performance improvements, and bug fixes.
Bifrost 2.2.1.0 includes new features to enhance your simulation workflows, such as the ability to resume a simulation from a cached frame on disk, to spawn new particles in a simulation, and to refine a low-resolution Aero simulation. This version of Bifrost continues to improve terminals by enabling selective evaluation, which allows you to wait till render time to perform your heavy computations. See the Bifrost Release Notes for a list of features and bug fixes included in this version.
Remember that you can always download the latest version of Bifrost by visiting the Bifrost Download Center.