Why is garbage matte gone in CC 2015?

So the task I have is to sync up some lip flaps on a piece of animation Previously this was accomplished by isolating a section of a few key frames with a garbage matte and then copy/pasting them over your video so that you can have your dialogue match your animation.
An opacity will not allow me to copy / paste a section of a frame.

is there a different tool I should use or is this capability gone?

While the new way to mask things is nice its NOT improved, You can't animate a mask and give it any form of easing in or out, Its ONLY liner.
How did they miss this? How do I animate something hiding or unhiding?
Guess I'll be importing a garbage mask from an old project till they fix this.

I'm on a one day deadline and I have just discovered garbage matte gone, come here, went back to do opacity bezier select and as soon as I click pen tool or mask shapes my working screen (video on right side) goes completely black so I can't select what I want to outline before using colour key to get rid of green screen. Help! Not sure why this is happening and man hours are being wasted figuring out these updates I didn't expect. Grrr.

Maybe I missed it but where can I enter pixel values? I want a mask exactly at certain values which was easy with the 4 point garbage matte but kind of hard with the freehand tools we have now... Anyone suggestions?

Has anyone else noticed that if you add a mask inside of the Ultra Key effect the screen starts strobing/glitching like crazy? Never had this with the garbage matte. See below...

Adobe Premiere CC 2015 - Mask Ultra Key Glitch

Once again the inept user experience team at adobe has made life harder and more frustrating for Premier users-- this time by eliminating garbage mattes. Instead of editing (making money) search for a solution, Adobe boards confirmed many others have had to waste time, by searching for a solution and learning a new method, in order to perform a once simple task. How many cumulative man hours has Adobe wasted with this single undocumented change? 1000's? Well, what ever it is it's Too Many! Adobe we hire you (by paying to use your software) to make our life easier. Usually you do, but far too often you make it more difficult. We've come to expect unintuitive interfaces that require trail and error key and click combinations that magically make a feature appear. Stupid-- but the Adobe way. Please know, when you change things and don't tell us in a straight forward way, your wasting our valuable time! Please replace your UI manager with someone who understands the importance of making your subscribers job easier. If that's too harsh for you touchy feely Cali types, at least have your team actually talk to people who edit video and other media with your products. I know it'll be for the first time, but its about time.

Just got off the phone with Adobe. To my astonishment, they owned up to the issue and acknowledged that's not the way it's supposed to work.

The agent offered me a really quick and easy work-around. Just open a previous version of Premiere Pro (we used CC2014), import any video and create a new preset with a 4, 8 or 16 point garbage matte. When you open PP CC2015, voila - it's there (in presets) and works like a charm. Apparently, PP cc2014 & PP cc2015 share the same preset folder.

Using the opacity mask works great for keying. However, when I apply a transition to the clip (cross dissolve in this case), it creates a dark area where the mask is when it first hits the transition. After the transition is done, it looks fine. The issue applies to every transition I tried. Any suggestions??

What's the possibility to allowing the freeform masking tool to make new mask vertices outside the frame?  Is it currently possible and I just missed it?I

It looks like to me that I had to create the Opacity mask, then take a few extra steps to drag the bottom vertices out of the frame.  It would be much easier to just directly create the mask vertex points outside the video frame. In this case, I want to do this because I have a subject in an interview chair and want his body to extend to the last pixel at the bottom of the frame.  I guess I could zoom in and make a clean line on the last row of pixels, but that seems even more tedious.

What say you, Adobe? Ya feel me?

This is a lousy idea.  Support referred me to this post.  WTH...  Did Microsoft buy Adobe?  This is the kind of goofiness Microsoft pulls.  This is not an upgrade.

Someone please post a video on how to make a matte or us this mask feature in lieu of 4 and 8 point garbage mattes.