When is the version 9.2.16 release date?

As of 2019-09-24, BFI v9.2.16.0 was shipped with Catalog v9.2.15.3

See the announcement here: BigFix Inventory: Application Update 9.2.16 published 2019-09-24

Also, note that as of 2019-10-29, Catalog v9.2.16.1 has also been released.