The Khronos Group today published the OpenCL 3.0.18 specifications as the latest incremental update to OpenCL 3.0.
OpenCL 3.0.18 brings a new version of the cl_khr_icd extension for loader-managed dispatch, adds the cl_ext_buffer_device_address extension, adding the cl_ext_immutable_memory_objects extension, integrating select extensions into the unified spec, and other updates and clarifications.
See this commit for more details on changes merged since the prior OpenCL 3.0.17 spec:
The OpenCL 3.0.18 specification is available from GitHub.