So far very stable and no dropout issues like previous f/w 1.4.0 also I notice some improvement of the performance, speed bump from 80 - 120 to 150 - 200 MPS ( I'm currently on 200 up/down w verzn...

This f/w ver 1.2.12 Build 20191014 Rel. 42025 which is old stock f/w shipped from TP link out of the box.

Yah, I did updated to the latest f/w 1.4.2 BUILD 20200725 REL. 65637, So far so good, performance very good and more stables compare w previous update ver 1.4.0

FYI: New f.w just deployed July 25 2020. https://community.tp-link.com/en/home/forum/topic/221382

@rijmer new f.w just deployed July 25 2020. https://community.tp-link.com/en/home/forum/topic/221382

Hi I recently upgraded to 1.4.2 BUILD 20200725 REL. 65637 on 3 Deco M9 Plus units inside my house via Deco apps.... will test the performance sometime this week and let you all know. I just wondering...