Will Media Encoder re-introduce FLV?

I'm on a project which, from time to time, makes use of FLV (it seems to be the only video format which Flash is able to embed on the Timeline).

Sadly, I recently discovered that in After Effects CC (2012 and up), the FLV format is no longer included.

Likewise, with Media Encoder CC, I cannot find the good ol' FLV format in any of the pull-down menus.

So, as a safety net, I've had to keep a versino of Media Encoder CS6 active on my machine.

Unfortunately, I've been unable to find CS6 Media Encoder for Yosemite.

Am I to understand that CS6 Media Encoder is not available beyond Mavericks?

And, if this is the case, how am I to make use of embedding video in the new CC versions of Flash (which specifically ask for an FLV file)?

Thanks!