The operator kernels supported by the CPU Execution Provider, CUDA Execution Provider and DML Execution Provider are documented in the ONNX Runtime repository.

Release	Documentation
Current main	https://github.com/microsoft/onnxruntime/blob/main/docs/OperatorKernels.md
1.16	https://github.com/microsoft/onnxruntime/blob/rel-1.16.0/docs/OperatorKernels.md
1.15	https://github.com/microsoft/onnxruntime/blob/rel-1.15.0/docs/OperatorKernels.md
1.14	https://github.com/microsoft/onnxruntime/blob/rel-1.14.0/docs/OperatorKernels.md
1.13	https://github.com/microsoft/onnxruntime/blob/rel-1.13.1/docs/OperatorKernels.md
1.12	https://github.com/microsoft/onnxruntime/blob/rel-1.12.0/docs/OperatorKernels.md
1.11	https://github.com/microsoft/onnxruntime/blob/rel-1.11.0/docs/OperatorKernels.md
1.10	https://github.com/microsoft/onnxruntime/blob/rel-1.10.0/docs/OperatorKernels.md
1.9	https://github.com/microsoft/onnxruntime/blob/rel-1.9.0/docs/OperatorKernels.md
1.8	https://github.com/microsoft/onnxruntime/blob/rel-1.8.0/docs/OperatorKernels.md
1.7	https://github.com/microsoft/onnxruntime/blob/rel-1.7.0/docs/OperatorKernels.md