Physically Based Bloom

According to the Trello board, Epic has been working on physically based bloom for the past 2 months. Is this something that is in the Master Branch right now? This is something that I’ve wanted for a while now and it would be nice to give it a shot.

When you set the bloom threshold to -1 it is physically based. Hold the mouse pointer on the “threshold” word and read the description that pops up.

Thanks. Is this in the master branch or did it slip into 4.12?

It was there since 4.11.