CU13 is opt-in, so only enabled cities are affected. Some Samscene cities may temporarily break, but issues are usually fixed by Samscene over time. Check community reports before enabling updates to avoid surprises.
From SS3D developer:
“Since the city update was released few days ago, please allow us some time to create the compatibility update, thank you for your patience.”
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The following is with SS3D Vol 1 installed with LA & SoFi stadium disabled with CU 13 installed.
This with ‘CU 13 uninstalled’ and SS3D Vol-1 installed (all SS3D content enabled)…still and issue if you look closely toward the middle bottom.
Samscene 3D has just released an update for Modern Cities Vol 3 
…and Modern Cities Vol 1, as well.
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Anyone have the changelogs?
Not spectacular 
SamScene3D - Los Angeles Modern City v1.0.2
https://contrail.shop/products/samscene3d-los-angeles-modern-city-msfs-2020-2024
- Compatibility with City Update 13
SamScene3D - USA Modern Cities Vol.1 v1.5.2
https://contrail.shop/products/usa-modern-cities-vol-1-msfs
- Compatibility with City Update 13
SamScene3D - USA Modern Cities Vol.3 v1.3.2
https://contrail.shop/products/usa-modern-cities-vol-3-msfs
- Compatibility with City Update 13
SamScene3D - San Diego Modern City v1.0.2
https://contrail.shop/products/samscene3d-san-diego-modern-city-msfs-2020-2024
- Compatibility with City Update 13
SamScene3D - Kuala Lumpur Mega City v1.0.2
https://contrail.shop/products/samscene3d-kuala-lumpur-mega-city-msfs-2020-2024
- Fixed minor issues
3 Likes