Products Support > GSX Support MSFS
GSX Pro Short-term Roadmap: what to expect in the next updates.
WebMaximus:
Coming back to this one now when SU4 has been released and I still seem to have a huge performance hit when enabling seated passengers. It was mentioned above how that problem was supposed to be fixed in SU4?
virtuali:
As already explained in other posts, the big performance hit happened from SU2 (zero impact) to SU3 (big impact), SU4 has IMPROVED compared to SU3, but it's not at the same level at it was with SU2.
Nothing we can do from our side, of course, the only thing that changed was the simulator, and we are already using the most 2024 native way to attach objects to another object, in MSFS 2024, IF the airplane is a native MSFS 2024 airplane.
WebMaximus:
The iFly 737 MAX8 which I fly isn't native MSFS2024 which could explain the drop in performance with seated PAX enabled.
virtuali:
--- Quote from: WebMaximus on December 17, 2025, 03:20:22 pm ---The iFly 737 MAX8 which I fly isn't native MSFS2024 which could explain the drop in performance with seated PAX enabled.
--- End quote ---
The iFly is a special case (I think I already explained this to you, several times), that requires attaching passengers both on the interior and the exterior, which is the only way to have them working and not causing other visual side effects which happened when we didn't use this method.
As I've said, this worked fine until SU2, because in SU2 the sim was capable to effectively completely optimize attached objects not passing a visibility test, it got MUCH worse in SU3 (with any airplane), then it went to acceptable (but still not zero impact) with SU4. However, whatever residual impact of invisible objects is left in SU4, it would be duplicated in the iFly because the way it's made.
It MIGHT be improved if an eventual MSFS 2024 native version of the airplane will come out, either because the sim is more optimized when using the native attachment method we already use for all the other native 2024 airplanes OR because the new version might not require a double attachment on both exterior and interior models.
WebMaximus:
Yep, I know
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