I just made a rather abrupt decision to give the Shadow Dancer sneak attack. Everytime i looked at the class i became disappointed it didn’t have some kind of sneak attack. So to find a middle way i gave the shadow dancer the least amount of Sneak Attack of all the base classes that have it. 1d6 for every 4 levels.
The most important other reason for making the change involve prestige class dynamics. Giving the Shadow Dancer sneak attack allows the class to be combined with sneak attack based prestige classes (like the Ninja, Pirate and Arcane Trickster), making the class a lot more attractive for developing complex characters.
The new version of the Base Classes are uploaded.