Dear Adopters, This announcement provides notification that the Khronos Group Inc. intends to withdraw Vulkan CTS 1.2.1.x releases. These releases are being discontinued due to improved quality and coverage provided by more recent releases. Once the releases are withdrawn it will not be possible to make conformance submissions against these releases. The Khronos Group recommends updating to Vulkan CTS 1.2.5.x and more recent releases as early as possible. This announcement covers the following tags as listed on https://github.com/KhronosGroup/vk-gl-cts/tags: - vulkan-cts-1.2.1.0 - vulkan-cts-1.2.1.1 - vulkan-cts-1.2.1.2 More information about Khronos Conformance and withdrawal policies can be found in the Khronos Group Conformance Process document (https://www.khronos.org/files/conformance_procedures.pdf) Attachment M. Please contact the Vulkan CTS TSG chair (alexander.galazin at arm.com) or the Vulkan Working Group chair (tom.olson at arm.com) if you have any questions. Below are some key dates to acknowledge: 2021-01-17 Notice of intent to withdraw Vulkan CTS 1.2.1.x distributed via email to adopters. 2021-07-16 The affected releases are withdrawn. 11 January 2021 Alexander Galazin Vulkan CTS TSG Chair