2024 package to 2020

Hi guys!

As far as I know some very minor things are being changed or are being not recognized when you drag and drop a package from msfs2020 to msfs2024.
I noticed that all the polygons that have materials are gone in msfs2024 in the package you copy pasted to msfs2024 so I was wondering the following.

Im working on a airport for MSFS2024 but I would like to have that airport in MSFS2020 as well, so whats the best I can do?
Work everything in MSFS2020 then change some minor stuff in MSFS2024 or work everything in MSFS2024 and copy paste to MSFS2020, will it work?

Thanks!

I have the same question, as far as I can tell, the 2020 project once saved with 2024 will crash 2020, lost a project since I forgot to copy it… have to redo most of the stuff… unless there is a solution?

In that case I think the best option would be to have the package done in MSFS2020, duplicate the folder and open and convert for MSFS2024.Hope it will work, but lets see what someone from Asobo will say.

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Hello @EmptyPlace466

A project cannot be edited in both 2020 and 2024, both have to be updated separately.
However, a 2020 project can be upgraded to 2024 so if you are starting from scratch, it’s always better to work on the 2020 version first, and then duplicate it and upgrade to 2024.

Regards,
Sylvain

Thats exactly the answer I was looking for! Thank you.
Are the things that have to be “fixed” or changed after building the package in fs2024 from fs2020? Will everything work out or you have known stuff that are not going to work and have to be re-done?

Most things are expected to work out of the box but there can be some modifications required. The things I have in mind so far:

  • terrain features and biomes can change a bit when transitioning to 2024. this can require modifications on terraforming, exclusions, etc…
  • detail maps were removed from some element baked into terrain textures. This can require you to update some materials
  • new LOD system is enabled, your models will need LODs.

So the previous LOD system won’t work at all?
I mean I have the LODs but MSFS2020 way.

New system is more restrictive: LOD Selection System

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So we have to do LODs for MSFS2020 and another LODs for 2024?

no, 2024 lods will work fine in 2020, Just do them to the 2024 standard

But what about those simcontainers?