I forgot to order seeds this year, so I had only 3 pedigreed seeds left over from my 2019 purchase (e.g. 2018 fruit), plus 2 seeds from the ~100 lb. fruit I grew last year.
I was pleasantly surprised to see the 2019 seeds pop up right away! This is 7 days after sowing into seed starting mix, on a heat mat:


And 2 days after emerging:

and 5 days after emerging. Atlantic Giants have comically large cotyledons:

Now I have to hurry up and prep the bed for transplant.