FPS Drop memory leak on Longer than 1hr flights is still an issue

Have you disabled/removed all your mods and add-ons?

yes

Are you using Developer Mode or made changes in it?

no

Are you using DX11 or DX12?

tested with both

Are you using DLSS?

yes

Brief description of the issue:

The FPS drop when doing long hauls or with flights over 1hr is still an issue with SU13

Provide Screenshot(s)/video(s) of the issue encountered:

N/A

Detailed steps to reproduce the issue encountered:

Just Fly youll notice when you land your FPS will be a good amount lower than when you started the flight

PC specs and peripheral set up:

CPU: i9 13900ks
GPU: ASUS TUF OC RTX 4090
RAM: Corsair Vengeance DDR5 6400mhz 64GB RGB
MB: MSI MPG Z790 Carbon WiFi
PSU: Corsair 1200W fully modular 80+ Platinum
Case: Corsair 7000X RGB
AIO: Corsair H150i LCD AIO Water Cooler
Storage 1X Corsair MP700 GEN5 2tb NVME SSD, 1X Samsung 990Pro 2tb NVME SSD

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Do you have the same issue if you follow the OP’s steps to reproduce it?

Provide extra information to complete the original description of the issue:

If relevant, provide additional screenshots/video:

Do you have the same issue if you follow the OP’s steps to reproduce it?

Yes

Provide extra information to complete the original description of the issue:

Stock or 3rd party aircraft. Seems moreso in the javscript WASM ones. After about 30 mins the framerate gets juddery. Seems ok initially. i9@5, 32GB, Nv3080Ti latest driver, WMR VR Reverb G2. Also reported here, as similar outcomes - Choppy / stuttering graphics - Sim Update 13 Beta / Install, Performance & Graphics - Microsoft Flight Simulator Forums

If relevant, provide additional screenshots/video:

Do you have the same issue if you follow the OP’s steps to reproduce it?

yes, but not with all aircraft. Carenado PC12 after around 1.5 to 2 hours of flight FPS drops to a slide show 4-5, Default Citation CJ4 is the same. But smaller aircraft like TBM930, can fly for 4 hours without problems. I have not tried with airliners, do not use them.

Provide extra information to complete the original description of the issue:

system AMD Ryzen 9 3900X 12-core, 32GB ram, AMD Radeon RX5700 XT 8 GB vram, Win11 Home 22H2,

If relevant, provide additional screenshots/video: