New Mask tool effects not exporting

Fade in / fade out is also not exporting in encoder

Hey folks,

All right...I spent some time with Adobe Support this evening. The issue seems to be that Adobe Premiere Pro Beta Ver 26.0 is unable to export videos from project files in which the new rotoscoping mask tool is being used...which at least in my case pretty much defeats the whole point of using Beta 26.0.

For whatever reason, however, if you nest every clip in your timeline that you have applied the new rotoscoping mask tool to and then send your export to Media Encoder Beta instead of using Premiere itself to export the video, Media Encoder Beta will export the video correctly. I asked the Adobe Support representative why this works, and their explanation is below.

Adobe really should test the capacity to export video files before releasing beta versions of Premiere to the public. After all, what's the point of using Premiere to edit video projects if it doesn't let you export anything? 

Hello @jamieclarke ! 

When you say "the menu bar under Beta", where exactly are you talking about?
I don't see any specific menu within Media Encoder where I can check a checkbox saying "enable masks" or something to that effect. 

Where is this exactly?? I can't find it and I have multiple variants and I shouldn't have to export them individually for this to work.

Where is the option to "check that masking is enabled"? I can't see it. Can you screenshot it please?

FIX   you have to nest the mask clip before exporting and its gonna work

I clicked to have Masking Enabled in Encoder, but it still did not work.  However, I exported directly from Premiere and it worked just fine.

I had this problem, but once I nested the two alpha layers, and exported it as a ProRes 422hq file, it worked perfectly!

Hi - I'm also having this issue. I enable masking in media encoder and premiere pro beta but the effects will not export.