The issue concerns the behavior of `os.OpenFile` when the target path is a dangling symlink. On Unix systems, `os.OpenFile` with `O CREATE` and `O EXCL` flags never follows symlinks. However, on Windows, if the target path was a symlink to a nonexistent location, `os.OpenFile` would create a file in that location. This discrepancy has been addressed, and now `os.OpenFile` always returns an error when the `O CREATE` and `O EXCL` flags are both set and the target path is a symlink.