Extreme Networks

Is there a good chance that WiFi 6 AP's (AP630 and AP650) are WiFi 6 Certified by Q1 2020? Also, will BSS coloring and Uplink MU-MIMO (optional WiFi 6 features) be a software update or will they only be on new AP models?

Over 90% of our client devices are 802.11ac. What is the risk/disadvantage to enabling the following settings? (I asked this question 4 years ago, but we had too few 802.11ac clients.) Enable Frame Burst Enable Transmit Beamforming (Explicit) The a...