def has_case_updates(case_block_kwargs):
    """
    Returns True if case_block_kwargs contains case changes.

    >>> has_case_updates({"owner_id": "123456", "update": {}})
    True
    >>> has_case_updates({"update": {}})
    False

    """
    if case_block_kwargs.get("update"):
        return True
    if case_block_kwargs.get("index"):
        return True
    return any(k for k in case_block_kwargs if k not in ("update", "index"))