I agree about the changelog seeming more relevant to past updates, though there are some things that seem more relevant to this update. However, as far as game breaking bugs are concerned, there is one that I didn't notice in past builds. Initially it involved completing the dragon quest when you can mount the dragon and fly around. Last update fucked the dragon's ability to be controlled very well at all, but you could painfully still get it where you wanted it albeit primarily moving backwards, but that only worked if you could maintain altitude. However, this update you are basically fucked if you mount the dragon. Same broken controls, but now when you dismount you have lost ability to do anything more and can't even try a save/reload due to "player doing stuff" error. There is a way around this if you find yourself stuck with the dragon and haven't made a save recently. I dismounted over the targeted area while up in the air in hopes of getting killed so it would theoretically reset whatever was causing the problem, but the dragon fell with me and when I landed instead of dying the dragon started fucking me, which ended up fixing the bug anyway. So falling and dying might still work, I just got interrupted with sex which fixed it as well.
I thought the bug was limited to the dragon, but it also happened when I went into "camera mode" and tried to leave the mode with the "esc" key. Once again there is no saving to reload so you have to go back to a previous save. So be warned about mounting the dragon and camera mode. Might be more actions that cause this bug, but so far thats all I know. Save often...