Yes, this was worth the wait, especially the last few minutes with Dyson's perspective on how the events of Tron Legacy's big flashback scene played out. So it would seem that Clu indeed has some ability or mechanism with which to repair damage to programs. Taking that along with images glimpsed from the "Scars" sizzle reel back in July, and...
SPOILER... Mouse Over To Read:...it seems that Dyson tries to fix Tron himself in order to bring the mighty hero to Clu's point of view. Tron escapes before Dyson can finish the process, so Tron has to manage with his scars, both literal and metaphorical. I guess we will see the result of that in next week's episode!