Aug 28, 2016

Quite a lot has happened since then.

https://arxiv.org/abs/1608.01316

Aug 09, 2016

Original article: https://arxiv.org/abs/1608.01316

Aug 06, 2016

Sunspots, debris and/or a distant cloud are not completely ruled out: https://arxiv.org/abs/1608.01316

Wiki:

The leading hypothesis, based on a lack of observed infrared light, is that of a swarm of cold, dusty comet fragments in a highly eccentric orbit.[12][13][14] Many small masses in "tight formation" orbiting the star have also been proposed.[9] The changes in brightness could be signs of activity associated with intelligent extraterrestrial life building a Dyson swarm.[9][15][16][17] The SETI Institute's initial radio reconnaissance of KIC 8462852, however, found no evidence of technology-related radio signals from the star.

https://en.wikipedia.org/wiki/KIC_8462852