So just hooked up Archer GE800 today (replaced an Orbi setup hoping for some better QOS to help my son's gaming lag spikes, which I suspect are caused by our terrible 20Mb upload speed when things like ring cameras and my wife's cell phone start uploading pictures).  Yes my cable internet upload speed is awful, but we should be getting fiber available in my area at some point in the next year which is one of the reasons I jumped on a good Amazon Prime deal for this router so I'd be able to take advantage of the 2Gb symmetrical connection when it gets here, but for now 600/20 is the best money can buy in my particular Spectrum neighborhood with no viable competition.

Anyway, I don't know what firmware it was running out of the box but my son jumped on the instant he saw his connection go live (PC connected to the dedicated gaming port) and I immediately saw Rocket League show up in the games list.  I didn't get to poke around much before it asked me to install the latest firmware which I did right away (yes, I waited until his match was over).

Ever since the update, it doesn't seem to detect Rocket League anymore.  When the game is launched, it briefly detects "Source Engine" but only for a few hundred Kb and then nothing (I suspect this is just traffic to Steam during the game launch).  I also added my computer manually to the list to prioritize game traffic to test and the same thing happens there (detects a few hundred K of Source Engine and then nothing during a Rocket League session).  Should I be concerned that doesn't appear to be detecting the game anymore?  Any other settings I should be looking at (there doesn't really seem to be much other than on/off and choosing Gaming vs other things to prioritize)?

Other seemingly odd behavior:

1. I can't stay connected to the Tether app consistently at all.  Sometimes it lets me poke around for several minutes, sometimes I'm disconnected repeatedly within seconds.  I just have to keep connecting over and over until it lets me stay on long enough to do anything.  Web browser interface seems more stable, but does disconnect very quickly.  Not sure if the idle timeout is really short or if it's also just getting booted like the Tether app.

2. Devices that are 100% connected and active (like a ring camera I'm actively watching in Live View) show as disconnected devices, so I can't do things like set a rate limit on them (why can't I set this if it's offline anyway?).  They'll eventually pop into the active devices list and I have to quickly look at them before they drop off the list again and go into the inactive devices list.  Device's connection is actually stable and active the whole time.

3.  It looks like the QoS page is supposed to be called "AI QoS" as of a recent update, but mine isn't just still called "Qos".

Anyway, just looking for some indication of whether or not these are expected behaviors of the device at current firmware levels or any of this indicates mine has something wrong with it.  Was hoping for a little more granular control of QoS stuff after moving from the Orbi (which simply had one on/off switch), but all I'm really shooting for is higher bandwidth support and a way to make sure gaming packets are prioritized even when my wife's phone decides to upload the 20GB of photos and videos she took today.  Thanks for any input.