Sometime in the future
In a press release which announced OpenCL 2.2 and SPIR-V 1.2 finalized specifications, Khronos Group hinted that it might merge OpenCL with Vulkan API in the future.
With all new Vulkan API overhead test
The latest v2.3.3663 update for Futuremark's 3DMark benchmarking utility includes several improvements, bug and compatibility fixes but, more importantly, adds Vulkan support to the API Overhead feature test.
Ditches support for DirectX
Roberts Space Industry (RSI), the developer behind the Star Citizen game, said that it will drop DirectX 11 support and stop all development on a DirectX 12 version, focusing solely on the Vulkan API.
The Geforce 376.80 Beta
Nvidia has released its newest Geforce 376.80 Beta driver that fixes some bugs with games that support Vulkan API.
To be revealed at CES 2017
It appears that Futuremark will reveal a couple of new tests that will be a part of its 3DMark benchmark and take advantage of both DirectX 12 as well as Vulkan API.
Adds support Doom Vulkan API and fix a single issue
AMD has released its new Radeon Software 16.7.2 drivers which add support for Vulkan API in Bethesda's Doom game as well as fixing problems with Restore Factory Defaults in Radeon Settings.
Significant performance improvements on RX 480
Bethesda has announced that its Vulkan API support patch for Doom is now live and should bring significant improvements due to the implementation of several features, including Asynchronous Shaders support.
Running on Geforce GTX 1080
During its pre-Dreamhack show where it announced both its new Pascal-based Geforce GTX 1080 and GTX 1070 graphics cards, Nvidia also showed a neat gameplay video of the upcoming Bethesda Doom game running on Vulkan API and Geforce GTX 1080.
Brings Vulkan API support and more
Nvidia has released the major Android 6.0 Marshmallow update for Shield Android TV console which brings both Vulkan API as well as plenty of other improvements and upgrades.