Unexpected Repetition of Elements when Generating Delta Between Dictionaries about deepdiff HOT 1 OPEN

In [1]: from deepdiff import DeepDiff, Delta
   ...:
   ...: d1 = {'a': [{'id': 1}, {'id': 2}, {'id': 3}]}
   ...: d2 = {'a': [{'id': 1}, {'id': 2}, {'id': 3}, {'id': 4}]}
   ...:
   ...: deep_diff_result = DeepDiff(d1, d2, exclude_regex_paths=[r"(?=root.*\['id'\])"], ignore_order=True, report_re
   ...: petition=True)
   ...:

In [2]: deep_diff_result
Out[2]:
{'repetition_change': {"root['a'][0]": {'old_repeat': 3,
   'new_repeat': 4,
   'old_indexes': [0, 1, 2],
   'new_indexes': [0, 1, 2, 3],
   'value': {'id': 1}}}}

In [3]: deep_diff_result = DeepDiff(d1, d2, ignore_order=True, report_repetition=True)

In [4]: deep_diff_result
Out[4]: {'iterable_item_added': {"root['a'][3]": {'id': 4}}