Vulkan 1.4.349 Released With Data Graph Optical Flow Extension

Phoronix | April 10, 2026, 8:23 a.m. | Original
Vulkan 1.4.349 is out today as a small update to the Vulkan API specification that incorporates various fixes that accumulated over the past week. Plus there is one new extension.

The lone new extension of Vulkan 1.4.349 is VK_ARM_data_graph_optical_flow. This Arm vendor extension of data graph optical flow can be used by applications to estimate the 2D displacement of pixels between two images. VK_ARM_data_graph_optical_flow is a pretty basic and straight-forward addition now part of the Vulkan repository.

More details on VK_ARM_data_graph_optical_flow and the other minor changes making up Vulkan 1.4.349 can be found via Vulkan-Docs on GitHub .
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