Don't upgrade - So many bugs! A DISASTER!

I have been using OS X since its Snow Leopard version. Every time Apple lunches new OS I upgrade, and by far this OS X Mavericks upgrade has been the worst experience I've ever had - it's simply a disaster! SO MANY bugs! Seriously Apple? What's going on? Okay I know you made it free now but that doesn't mean your customers like to get screwed up by a product that hasn't even been tested! Because most of these bugs are simply too obvious and too easy to discover and should have been fixed in the Alpha/Beta phase!

I upgraded the OS on my Macbook Air 2010 and iMac late 2012, and I'm experiencing annoying and different kind of problems on both of my machines. To name a few:

- Launchpad stuck when I scroll.

- App Store keeps updating the same iWork apps (after I updated iWork apps, Software Update would prompt the same update).

- No 3 finger forward/back browsing in Finder.

- "Sort by - Snab to Grid" on desktop prevents you from positioning certain icons into a disired location.

- And many more...

I was "supprised" that the defective iOS 7 almost drove me crazy on my iPhone 4, and now this new OS X release again takes the bad exprerience into a whole new level. "Thank you", Apple!