I've been on iOS 4 since it came out, and have updated accordingly since then. But I'm experiencing a lot of glitches still, especially with "Scrubbing" in music. I read the changelog for iOS 4.1, and I don't see anything about "other bug fixes". Is the changelog 100% the only stuff that they are adding or changing around? Or are there other bug fixes and improvements they thought were too minor to add in to the log? Bonus question: How long would it take to update my iPhone 3GS to 4.1?