I grew the OP version of Keepsake this past year. I picked one that was full sized & had been around a while, so I thought it would ripen quickly in the house. It took 2 weeks to ripen on my kitchen table, and then lasted another 4 weeks on the table, temp around 78-81F. I only have the one data point. I have some seeds saved if you'd like, PM me.
Nan
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