Bloom is the new tool inside Dehancer Film OFX plugin that gives combined effect of bright light dispersion on the boundaries of contrasting image areas and works similar to optical filters like Pro-Mist.
You can find more information in article:
Bloom: what it is and how it works
(эта же статья на русском)
Download Dehancer Film 1.3.0:
https://www.dehancer.com/store
Dehancer Blog 