Double post from here.
Based on the Torch-TensorRT release notes it seems torch==1.13 is the latest supported version which is also being downloaded if I install torch_tensorrt==1.3.0:
Processing ./torch_tensorrt-1.3.0-cp310-cp310-linux_x86_64.whl
Collecting tensorrt<8.6.0,>=8.5.1.7
Downloading tensorrt-8.5.3.1-cp310-none-manylinux_2_17_x86_64.whl (549.5 MB)
|████████████████████████████████| 549.5 MB 5.0 MB/s
Collecting torch<1.14.0,>=1.13.0
Downloading torch-1.13.1-cp310-cp310-manylinux1_x86_64.whl (887.5 MB)
...
CC @narendasan to correct me in case the support was extended.