I'm curious now about what Glock will do about which "Gens" to keep making. AFAIK, they are perhaps the only company to successfully make and sell both last year's and this year's models simultaneously. I seem to recall that Coke tried that some years ago, and what a disaster that was.
Most companies would just say to their customers who are sad about saying good bye to the old, "Too bad, get over it," and would go ahead and phase out the old models to make room for the new. Not Glock. They kept making Gen 3's, and just kept selling them right alongside the Gen 4 guns. One result of that is that quite a few shooters never have accepted the Gen 4's, and swear on their mothers' graves that the Gen 3 Glocks are better.
So now I think they're in a bit of a pickle. Do they: 1. Drop Gens 3 & 4 and just sell the new Gen 5 models? 2. Sell Gens 3, 4 & 5 side by side? 3. Drop Gen 4, and sell Gens 3 & 5?
My understanding is that in communist states like California they have to keep the Gen 3 guns, as the newer models can't make it onto the "approved" rosters.
What a strange situation.