[ci skip] add some issue references

Author: h-vetinari

.ci_support/migrations/cuda129.yaml

@@ -43,6 +43,7 @@ __migrator:
 
     ref: https://docs.nvidia.com/cuda/cuda-toolkit-release-notes/index.html#new-features
 
+# need to stay on CUDA 12.8 on windows due to https://github.com/pytorch/pytorch/issues/156181
 cuda_compiler_version:         # [((linux and (x86_64 or aarch64)) or win64) and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]
   - 12.9                       # [(linux and (x86_64 or aarch64)) and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]
   - 12.8                       # [win64 and os.environ.get("CF_CUDA_ENABLED", "False") == "True"]

recipe/meta.yaml

@@ -278,6 +278,7 @@ outputs:
         - nccl                            # [cuda_compiler_version != "None" and linux]
         - cuda-version {{ cuda_compiler_version }}  # [cuda_compiler_version != "None"]
         - nvtx-c                          # [cuda_compiler_version != "None"]
+        # cannot (yet) use libmagma-devel due to https://github.com/conda-forge/libmagma-feedstock/issues/32
         - magma                           # [cuda_compiler_version != "None"]
         {% if cuda_compiler_version != "None" %}
         - cuda-driver-dev                 # [linux]