GoodBoyDigital/pixi.js — pull request #862 by photonstorm (2014-07-15 12:39:04+00:00)
Title: `this.textureChange` is no longer used in any object, ...

... anywhere within Pixi, so this check now appears to be redundant - and is changing the internal class shape of Pixi.Sprite as a result (adding a property that doesn't exist).