The old topic topic sunk to the second page. ( https://www.helpfulgardener.com/forum/viewtopic.php?t=27910 )
Anyways I said I'd post with new photos:
That is what happened to all the ones in the old photo:
Eventually some new ones grew. They are much larger than the old fruit that dropped off before:
I made sure that pollination happened with the two larger flowers, plus I had a little help:
I hope that I will finally get some squash, even if I am not fully sure what happened to the previous batch. The weather hadn't really changed much between batches.