Yes you can find the list here: https://github.com/pytorch/pytorch/blob/master/tools/autograd/gen_variable_type.py#L151-L164 159
You can find the PRs adding new support by doing a search like that: https://github.com/pytorch/pytorch/pulls?q=is%3Aopen+is%3Apr+label%3A"module%3A+complex" 40
Also if you need another op that no one is implementing, feel free to send a PR and it will be available on the next nightly build after it is merged