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Vulkan 1.1.125 Released With SPIR-V 1.4 Support
Vulkan 1.1.125 has its usual clarifications and corrections to this graphics API specification. Meanwhile the new extension introduced in the overnight v1.1.125 release is VK_KHR_spirv_1_4.
VK_KHR_spirv_1_4 allows using SPIR-V 1.4 shader modules within Vulkan. SPIR-V 1.4 makes it easier for translating higher level languages into SPIR-V. SPIR-V 1.4 also adds optional new floating point execution mode controls. SPIR-V 1.4 was released back in May and already succeeded by SPIR-V 1.5 in September while now Vulkan is just beginning to get caught up in these revisions.
More details on the Vulkan 1.1.125 changes via GitHub.