Interesting, so Hyprland turns out to be the best platform for hardcore users in combination with Cachy OS and even Zorin can run hard on the edge with your settings.....
But true, Zorin definitely needs a newer Kernel!
When I'm through with my PC an the Smartphones so they don't need any contact to Microsoft anymore, I will try Nobara 44 on our ThinkPad W520 with Core i5 and GPU.... should work out of the box.
It's amazing what Linux is able to work on since the last 10 years.
I've had an SUSE Linux Administration lesson back in 2006! That was a mess! That time I swear I would never get Linux on a computer! 
Fascinating how it is these days where you can completely get rid of the old systems and get more out of your hardware!
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Zorin needs to keep what it has stable for its core users and use cases.
Interestingly enough, I'm finding my game now runs better under native Wayland on ZorinOS Gnome Ubuntu than CachyOS KDE Plasma ArchLinux. It's crazy. 
What can I say - I like to fiddle with things.
To keep my laptop cool, I throttle the CPU to 3.4Mhz max rather than using its full 5.6Mhz capabilities, as running in boost mode generates too much heat.
I've found my magic formula for that particular game running under Wayland on my hardware. The graphics are turned down, but it still looks great and plays smoothly enough that I can lose myself in the game. 
There is not particular "Linux Power User" setup/platform to rule them all, although I hear that I must build ArchLinux from scratch without the use of an installer to truly take myself to the next level of Linux geekery. The guide to install manually from barebones is here: Installation guide - ArchWiki
Watch this space.
What I love about Linux is that I can go as far down the rabbithole as I want by going straight to the Github sourcecode for applications, utilities, desktops, etc.
In the past day, I've been going through the Hyprland configuration code provided by JaKooLit at LinuxBeginnings (Linux Beginnings · GitHub).
Digging through the code and documentation I've figured out how to get the Waybar weather and cpu temperature modules to report the correct information by tracing through the scripts and modifying where needed to fit my hardware.
Today I hope to get the display brighteness widget working for my external monitor!
I've determined that the underlying Linux utilities used to manipulate the brightness of the built-in display and the external display are different, so it is a matter of pointing the display brightness Waybar module to the correct utility for the external display.
Also, I mentioned in my previous post about a NVIDIA power service/daemon creating heat on my laptop under CachyOS.
Booting into ZorinOS, the service does not exist and therefore there was nothing to disable. Also, I found myself able to update to NVIDIA driver 590 from 580 in ZorinOS without it creating issues with my game - possibly because of my performance tweaks.
Anyway, all is good.
I love booting into ZorinOS for a curated and clean desktop experience.
But then there is CachyOS running Hyprland or KDE Plasma.
A completely different experience, but something that requires a bit of work if you want to make it your own.
And yes, from the screenshot, my name is Mike.
Let me introduce myself.
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Hey Joe,
I just noticed a couple days ago that ZorinOS 18.1 has released with the kernel updated to the 6.17 kernel from September last year.
Possibly cognitive bias on my part, but I'm finding ZorinOS 18.1 subjectively very, VERY snappy and responsive.
If you find yourself sitting around, twiddling your thumbs, I'd be interested in knowing whether the update resolves your previous stuttering issue. 
I appreciate that not everyone has the time and pain tolerance to tinker to the degree that I do.
Speaking of which, I'm now running CachyOS's stable release of Linux Kernel 7.01 featuring fully supported NTSync.
After all gaming performance testing I went through, I'm having mixed feelings about whether I prefer my game with NTSync on or off. I need to test the trade offs.
But like I said, I like to tinker.
I think Zorin consciously keeps a year behind kernel releases to assure stability and time for community kernel modules and drivers to fully integrate kernel changes.
If you still have ZorinOS 18 installed, I highly recommend trying out the 18.1 update. It's delightfully snappy and refined.
In other news, the Zorin community has started playing with the latest version of Gnome.
Hat tip to the forum moderators for actively keeping this community alive and interesting.
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And Gnome 50 reports display performance improvements which could be useful for those suffering stuttering on NVIDIA within Gnome.
" Display Handling Improvements
GNOME's display technologies have received a massive set of stability and performance updates in GNOME 50.
- Improved Variable Refresh Rate (VRR) and Fractional Scaling Support: VRR and fractional scaling have both been improved for GNOME 50, with bug fixes, stability, and user experience improvements. Some distributions enabled these features in previous releases, so many users will have used them already. However, for other distros, these features are now enabled by default in GNOME 50.
- For users with compatible monitors, VRR provides a tear-free experience where the display’s refresh rate matches the application's frame rate, resulting in significantly smoother motion.
- Fractional scaling allows what is displayed on screen to be scaled in increments, to better suit a range of display densities. When it is enabled, users can natively select scales like 125% or 150% in the display settings.
- Low-Latency Cursor in VRR: The mouse cursor now operates independently of the application's frame rate while VRR is active. This ensures the cursor remains fluid and responsive at the monitor’s maximum refresh rate (e.g., 144Hz) even if a game or professional app is running at a lower frame rate.
- NVIDIA Performance Boosts: Workarounds for NVIDIA driver quirks have been implemented, targeting stuttering and frame-timing issues. The result is noticeably smoother window animations and general desktop fluidity for users with NVIDIA GPUs.
- Next-Gen Color Management: Support for version 2 of the Wayland color management protocol has landed. This provides the technical foundation for creative professionals to achieve higher color accuracy across different apps and hardware.
- HDR Screen Sharing: Building on GNOME's modern color pipeline, it's now possible to screen share monitors displaying High Dynamic range (HDR) content. This allows screen recording software to record the screen content with the same vivid colors as displayed on the physical screen."
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Here something to the Kernel Thing: The Kernels come from Ubuntu. They support it and update it. Yes, when You look to kernel.org the Kernel is EOL. But Ubuntu goes a bit different Way with this and uses them as Kernels for their LTS Versions and support them.
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Thanks, @Ponce-De-Leon, for the clarification. That makes sense. 
There are layers and different levels of support and development involved when working with downstream distros.
(Hopefully, I got that right. )
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I think that now as I configured Nobara 43 complete to my usage I won't step back to 18.1 and begin at 0 again.
I have 4 Windows users who had to work with Linux now cause I decided to get rid of the Tech-Bros and Palantir. And they really don't know how to use a Terminal etc pp.
And since I already have German server in use with Nextcloud and my users learned to use Nobara with Dolphin, it will be non-productive to switch a second time even when we are saying it's almost the same between Nobara and Zorin when configured Windows like.
But I understand that the new (old) Kernel in 18.1 could be the game changer for Nvidia users with newer hardware then 2022.
So I appreciate the help and insights I got from this forum and learned a lot how to fit my machines in Linux.
Also I would like to say that a lot of people reading this thread gets help of it.
Thanks to all! 
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Sure, I think late 2026 / early 2027 we will find Linux distributions being a lot better than Windows or Mac and can use about any hardware from the start without using the terminal!
Already now there are about 50 millions of Windows users switching to Linux, this year!
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I think I'll partition off some space on my laptop to give Nobara a try -- eventually.
Really happy it is working out for you.
When Nobara is fine for You, that is what matters.