helm repo index command behavior in created field adding double quotes (version 2.9.1 to 2.14.3)

3/13/2020

In version 2.9.1 created field do not have double quote and in 2.14.3 it has double quote) Why this change. and in which version this got change.

Output (version 2.9.1 created field in index.yaml): created: 2020-03-12T18:05:51.925375703+02:00 Output (version 2.14.3 created field in index.yaml): created: "2020-03-13T11:31:32.251959715+02:00"