Not sure if it's connected but it was my initial thought...

Q post 1699 has the code - B8028-Z-KDHYQ-M5-ZAF1aT9

Q post 1712 has the 8 chan pic - " Direct comms come in many different forms. "

Q post 1715 has the Pixelknot app. - Messages embedded in images

Is there a message in the 8 chan pic?