Likely because no pressure is felt to put out a 1.0. The people that use it know what it is, and don't care that it's not 1.0 or above. It has constant, if lo

Likely because no pressure is felt to put out a 1.0. The people that use it know what it is, and don't care that it's not 1.0 or above. It has constant, if low-velocity, development and bug-fixing going on[1] with 28 releases in over 20 years. PuTTY is a known quantity, I doubt anyone is trying to game the marketing to gain usage. For some people, that's a feature. 1: https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.h...