They are insistent on running both PC and Xbox off of one branch.
I’m not a programmer, so this is probably a very simplistic thought. But, if they optimized a PC branch and a separate Xbox branch, wouldn’t that solve a lot of problems?
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I’m not a programmer either but, yes, I would definitely have thought so.
Unfortunately, I can’t personally see a separate PC branch ever happening due to the extra costs likely suffered by Microsoft.
“I’m not a programmer” seems to be quite a theme here 
Of course I’m not either but I can foresee that splitting the product would likely see the eventual demise of PC MSFS.
Turns out to be a very simplistic thought on several levels besides programming😊
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The Xbox is essentially a Windows PC, running a Windows NT x64 kernel, with DirectX graphics, on an AMD x64 processor with an AMD GPU.
The only real Xbox-specific constraints are whatever self-imposed Microsoft “security” constraints are playing hell with WebAssembly and their choice not to implement SimConnect. 
Constraints like “modest CPU core speeds” and “fixed total amount of memory” are true with Xbox, but also true of many PCs.
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The thing is that people on Xbox expect to be able to run ”Ultra” quality on not particular powerful hardware.
Question is if support for older Xbox will be dropped, or if we will see a continued drop in quality for Ultra. When SU5 (Xbox) was launched there was a graphical downgrade to fit it on Xbox. Medium on SU4 was high/ultra on SU5. In a year or two we will have i9 15900k and RTX 5090, at the same time a bunch of users wanting to run Ultra and 60FPS on Xbox S. This will not work without dropping support for Xbox or downgrading quality for PC users.
Another question is how many users on Xbox will still be playing MSFS in a couple of years…
Xbox has looked beautiful since day one, but progressively got worse from what I’m told. However, I myself started playing it in march or April 2022 and it has looked fantastic. it’s a mix of high and ultra settings and runs at 30fps most of the time.
The console is more than capable of running thr game smoothly and while looking mind blowing. SU10 was proof of that - best update for Xbox to date.
There are not configurable graphics options on Xbox; you get the presets for your system and that’s it. In other words, it’s simply not possible to “chase Ultra” on Xbox – you can’t select it, as your options have been tuned to something more modest.
People with PC can choose options up or down to fit their specific hardware.
I’ve experienced the low fps with stutter yesterday also, didn’t know why it was there, it was in all different areas, NY city, Peru, everywhere. For some reason it didn’t help to reduce AF or Terrain level of detail or objects level of detail, so i did set everything back i knew it worked fine before.
I then studied my Task Manager and found a Very High power usaged of Shell Infrastructure Host.
Searching the web i found that it is a memory leak bug with the default Photos app. My guess is that the sim triggers for some reason exact this thing to produce a high cpu usage and therefore a stuttery experience. (as soon i modifiedd graphic settings it was unplayable, whatever i did!)
The fix was to look in Details in the TaskManager and search the Sihost.exe and end this task. → Bang - fluid as usual! (i fly VR with the reverb G2)
This bug is known by microsoft but they didn’t fix it! - Win10
For me THIS is the fix for the stutter festival!
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I tested your setup. I have to admit that it has gone very well, the fps has been stable throughout the flight from 35 FPS to 45 FPS going down to 25 30 ■■■ in LEMD.
The flight was GCLP LEMD 2 h 30.
Total stability and very happy, I do not put the DLSS again.
Thank
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I also have a rx6800 and get better performance by far using FSR2 with DX12.
How many of you guys are on the beta? The frames lag so annoyingly and then catch up, throwing off my inputs! This happens only in busy cities with big and busy airports around.
Fsr still needs work. Doesn’t look good on aircraft with PFD.
DLSS on my rtx 2060super looked a bit better than fsr.I do prefer TAA.
Hey when is FSR coming to Xbox?
This sim Pre SU5 was absolutely perfect and beautiful. It had flaws sure, but expected flaws that Asobo was working on.
This has been a downhill experience ever since with very unstable simming. The visual quality has gotten much worse, and the difference in performance with every SU is so extreme and very disappointing.
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Pre SU5 if I wanted any clouds I was stuck with 15-20 fps on low settings
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Fsr still needs work. Doesn’t look good on aircraft with PFD.
DLSS on my rtx 2060super looked a bit better than fsr.I do prefer TAA.
SU11 has been working fine, but I made the mistake of trying FSR on my 8 GB 6600XT. My physical memory being reported went from 8GB to 6GB, the allocated memory was over 9 GB, and frame rates dropped from 50’ish to less than 20 fps. I have searched high and low on what could cause this, even adding to a bug report, but so far it seems like only me and one other user has experienced anything like this (be it MSFS or any other game).
I have tried a clean re-install of both the game and graphics drivers to no avail (though it did remove some micro-stuttering).
Do you mean FSR2? I recommend to not use the old FSR and only utilize the newer FSR2. Recommend to also use DX12 as it manages GPU vram better.
I thought the sim was only FSR2.0, but yes that’s what I’m referring to. I have installed the newest AAU1 update, but haven’t checked to see if FSR2 is still broken for me yet (been busy dealing with the frustrating CJ4 changes).
FSR2 on my system (5900x and RX 6800) still works great post AAU1 update with DX12. I have not tried it with DX11.