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+# Intel SYCL Compiler release 6.0.0
+
+## Dependencies included in the release
+
+- [oneapi-src/unified-runtime@v0.10.8](https://github.com/oneapi-src/unified-runtime/releases/tag/v0.10.8)
+
+## Components included in the release
+
+- clang version `19.0.0`
+- SYCL runtime version 8.0.0 (as indicated by predefined macro
+  `__LIBSYCL_MAJOR_VERSION`, `__LIBSYCL_MINOR_VERSION` and
+  `__LIBSYCL_PATCH_VERSION`)
+
+## Compatibility with previous releases
+
+This is a first formal release in this repo and therefore there are no other
+releases to be compatible with.
+
+However, the repo has existed for a while and this release is **not** compatible
+with builds produced from older commits, because there were ABI-breaking changes
+made to the codebase just prior taking the `sycl-rel-6_0_0` branch.
+
+## Compatibility with oneAPI
+
+[Intel(R) oneAPI DPC++/C++ Compiler][oneapi-dpcpp]
+version 2025.0 leverages codebase from `sycl-rel-6_0_0` branch and it is the
+closest oneAPI DPC++/C++ compiler release to this one (in terms of available
+features and bugfixes).
+
+**However**, this **does not** guarantee any feature or bugfix parity between
+these two releases.
+
+## Validation & quality expectations
+
+In general, list of supported hardware and operating systems should match the
+one provided by Intel(R) oneAPI DPC++/C++ Compiler for version 2025.0, see
+corresponding [system requirements][oneapi-dpcpp-system-reqs].
+
+However, we **did not** perform the same exaustive testing of this open-source
+branch and therefore there could be some unique issues that are not present in
+Intel (R) oneAPI DPC++/C++ Compiler version 2025.0.
+
+You can find full validation logs for the branch
+[here](https://github.com/intel/llvm/actions/runs/12794684274/job/35672684082),
+but a summary of it will also be posted below.
+
+### [End to end tests][sycl-e2e]
+
+The following hardware and software configurations were tested:
+
+Driver versions listed as reported by
+`sycl::device::get_info<info::device::driver_version>()`.
+
+- Windows
+  - Driver version: 32.0.101.6129
+  - Intel(R) oneAPI Unified Runtime over Level-Zero on
+    Intel(R) Iris(R) Xe Graphics 12.0.0
+    - Driver version: [1.5.31093](https://www.intel.com/content/www/us/en/download/785597/intel-arc-iris-xe-graphics-windows.html)
+  - Intel(R) OpenCL Graphics on Intel(R) Iris(R) Xe Graphics OpenCL 3.0 NEO
+    - Driver version: [32.0.101.6129](https://www.intel.com/content/www/us/en/download/785597/intel-arc-iris-xe-graphics-windows.html)
+- Linux (Ubuntu 22.04)
+  - Intel(R) OpenCL Graphics on Intel(R) Iris(R) Xe Graphics OpenCL 3.0 NEO
+    - Driver version: [24.52.32224.5](https://github.com/intel/compute-runtime/releases/tag/24.52.32224.5)
+  - Intel(R) oneAPI Unified Runtime over Level-Zero on
+    Intel(R) Iris(R) Xe Graphics 12.0.0
+    - Driver version: [1.6.32224.500000](https://github.com/intel/compute-runtime/releases/tag/24.52.32224.5)
+  - Intel(R) OpenCL on
+    11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80 Ghz OpenCL 3.0
+    - Driver version: [2024.18.10.0.08_160000](https://github.com/intel/llvm/releases/tag/2024-WW43)
+  - AMD HIP BACKEND on AMD Radeon RX 6700 XT gfx1031
+    - Driver version: [HIP 60342.13](https://rocm.docs.amd.com/en/docs-6.1.1/about/release-notes.html)
+  - NVIDIA CUDA BACKEND on NVIDIA A10G 8.6
+    - Driver version: [CUDA 12.1](https://developer.nvidia.com/cuda-12-6-1-download-archive)
+
+### [SYCL CTS][sycl-cts]
+
+- Linux (Ubuntu 22.04)
+  - Intel(R) OpenCL on
+    11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80 Ghz OpenCL 3.0
+    - Driver version: [2024.18.10.0.08_160000](https://github.com/intel/llvm/releases/tag/2024-WW43)
+  - Intel(R) oneAPI Unified Runtime over Level-Zero on
+    Intel(R) Iris(R) Xe Graphics 12.0.0
+    - Driver version: [1.6.32224.500000](https://github.com/intel/compute-runtime/releases/tag/24.52.32224.5)
+
+We use the latest available CTS in our validation, but `sycl-rel-6.0.0` is an
+old branch already and there were some CTS changes made which make them fail.
+
+Known failures are:
+- `test_header` CTS target cannot be compiled, because definition of
+  `SYCL_LANGUAGE_VERSION` does not match the latest version of the SYCL 2020
+  specification. See KhronosGroup/SYCL-Docs#634
+- `test_language` CTS target cannot be compiled, because the compiler does not
+  abide to all new rules for constant-evaluated expression from the latest
+  version of the SYCL 2020 specification. See KhronosGroup/SYCL-Docs#388
+- `multi_ptr` CTS target cannot be compiled, because implementation for
+  `decorated_generic_ptr` and `raw_generic_ptr` aliases is missing.
+  See KhronosGroup/SYCL-Docs#598
+
+## How to use
+
+This release does not provide a pre-built binaries of our SYCL compiler and
+simply marks a known good commit on a corresponding release branch which can be
+used for building the compiler and the runtime for your needs. To do so, follow
+[Get Started Guide](https://github.com/intel/llvm/blob/sycl-rel-6_0_0/sycl/doc/GetStartedGuide.md)
+
+[oneapi-dpcpp]: https://www.intel.com/content/www/us/en/developer/tools/oneapi/dpc-compiler.html
+[oneapi-dpcpp-system-reqs]: https://www.intel.com/content/www/us/en/developer/articles/system-requirements/intel-oneapi-dpcpp-system-requirements.html
+[sycl-e2e]: https://github.com/intel/llvm/tree/sycl-rel-6_0_0/sycl/test-e2e
+[sycl-cts]: https://github.com/KhronosGroup/SYCL-CTS