I am going through this drill right now having never owned a Jeep or a Ford.
I am tempted just to go Rubi because i know a 3.5 lift and 37's are not an issue. It's the quality of the Jeep that concerns me. But, as you pointed out the Bronco is new, but it sounds like the 2.7 and 10 speed tranny haven't been a problem for most in other Fords. But, I have no clue how the Bronco will take to 37's with the Ford 2 inch lift that there are zero details on.
The reason I sold my 4Runner was because I needed more clearance and wasn't about to start hacking it up to maybe fit 35's. I found the limits with a 3 inch lift and 33's and CV angles that were on the edge.

In short, I don't want to end up with a Bronco 4Runner dealing CV angles.
37's are a requirement on my next rig.
What issues has your brother's Raptor have and what year is it?

I know that they did the CV IFS because the Bronco is based on the Ranger platform and they also knew that most people buying these won't take them off road and SFA really does suck in commuting and day to day mall crawling which is where you'll see 99.999% of Wranglers, anyway.

I have a friend who has a 2019 Raptor that has seen massive power loss issues, presumably from the turbos--he claims the truck is gutless most of the time, now, but the dealer is acting like nothing is wrong.

I hate that you can't get away from the turbos or the 10 speed transmission that you KNOW is geared around fuel efficiency and not day to day performance. A beefy 5 or 6 speed AT with a robust torque convertor and a low range 1st and 2nd is what most off road abuse sees, anyway.

MT is dead and looks like Ford won't be offering it with any of their upper end performance packages, anyway. Probably a good thing since MT Jeeps were catching fire as FCA forgot how to build an MT.

The last rental car I had was Jeep Cherokee and until I drove that car I had no idea it was possible to repeatedly stall an automatic transmission by bringing a vehicle to a safe and legal stop at a traffic light. So it's not just MTs that they forgot how to build.

Jeep Cherokees turn the engine off automatically after you have been stopped for a few seconds. It should restart automatically when you press the gas.

If you aren't prepared for it and jiggle the brake right when it shuts off, it can mimic a stall. The wife's JGC does it. It's really annoying because if you toggle it off it resets the next time you start the truck.

This was not engine auto-stop, it straight up stalled out. Had to put back in park and restart the engine.

Several vehicles have that 'stop/start' technology. I'm not wild about a vehicle using its starter so much. I rode with a co-worker a few years ago in his Grand Cherokee, and he had the A/C running. The stupid thing would shut the engine off when you stopped, and a minute later, would re-start to run the A/C briefly as needed, then shut off again. What if you're in a 5-mile traffic jam in 95* heat? You could realistically be re-starting the car fifty times. I understand there might be fuel savings, but how much cost offset is there once you need to replace the starter?

Trivia: I think the 1974 Toyota Crown was first to employ this type of thing.

I don't think there is any fuel savings, unless you're stopped rather than in stop and go traffic. I think that this was some kind of end-run around industry standards and this is the best manufacturers could come up with to keep regulators happy. The start-stop on my Macan stays off forever once you turn it off.

The start/stop saves a lot of emissions from idling diesel small cars in places like Paris or London. For that reason the EU gives start/stop models a credit of a few mpgs for doing it. So it's pretty much standard on all EU models. Most studies show a reduction in fuel use and emissions between 5 and 10% for city driving. That's a fair amount IMO.

Better manufacturers will pretty frequently run the accessories electrically. I remember when Honda had the early insight hybrid models - they only had AC on when the ICE was running. So you'd loose AC for long periods of time in stop and go traffic. Not a good design.

The new Rav4 Prime does one better - it has an A/C hold button that works kinda like remote start - but since accessories are all electric it can keep the car cool while you run into a store. Basically just like the pet mode in a Tesla. Great feature for pet owners in hot weather areas.

I'd never get MT for off road again, been there and it sucks (for me). This new rig will not be a DD. Have you by chance driven the JL? I know the JK's sucked on the road with 37's..at least the one I drove. Any feed back on the JL's? Looks like jeep just did a TSB to address the steering box issue which seemed to effect JL's lifted or not. My gut is telling me to go SFA.

I drove the Gladiator with a 37s. That's a lot of weight to move and it didn't seem happy. I didn't get up on the highway, but it seemed ponderous on the crappy roads around here at 50mph.

Dammit. Not what I wanted to hear!
Thanks for the feedback.

A local shop showed me set of DOT approved beadlocks. Apparently it takes 40 mins per tire to mount them. Assuming the knuckle head doesn't cross thread or over torque the screws.

Every Jeep bro: beadlocks are not street legal?

OK, not a beadlock nor DOT expert, just passing along what I was told. It could be 100% BS and maybe they were messing with the Toyota guy for all I know.

But for fun, I searched for DOT Beadlock and got this on the second and third hits.
DUAL-TEK — Dirty Life
Increase All Terrain Mobility & Traction | Hutchinson Beadlocks

The first one was a Pirate 4x4 post with the same discussion. They concluded it was a grey area and there is no way to tell nor enforce it.