This entry has been waiting on author input for a while (our current threshold is roughly two weeks), so I've marked it Returned with Feedback.
Once you think the patchset is ready for review again, you (or any interested party) can resurrect the patch entry by visiting https://commitfest.postgresql.org/38/3533/ and changing the status to "Needs Review", and then changing the status again to "Move to next CF". (Don't forget the second step; hopefully we will have streamlined this in the near future!) Thanks, --Jacob