no, it is not. You can certainly use the widgets that are included with LC8, or you can grab a copy of tmControls2. IMHO, as of today, it is a better way to skin an app than widgets are, because it is more flexible and has more options, and it is easier to make better-looking apps. Scott Rossi is not actively working on tmControls2, but the source is unlocked and stable, so I work on it when I run into something or want to tweak something (which is seldom, and it's usually because I am using some obscure feature like "profiles", which are used for making layouts that work on different screen sizes and orientations). Scott has talked about straight-up open-sourcing tmc2, but I don't know if he has done it, yet, or not.