Vulkan 1.0.53 does have a number of document clarifications and fixes, but most exciting is a handful of new extensions. The new ones to Vulkan 1.0.53 are VK_AMD_gpu_shader_int16, VK_EXT_blend_operation_advanced, VK_EXT_sampler_filter_minmax, and VK_NV_framebuffer_mixed_samples. Read more about this update from Phoronix, or hop on over to the Vulkan Change Log for more details on this update.