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Lumion 2025.2 Release Notes

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November 18, 2025

This update introduces several improvements to the Lumion Cloud media upload process, as well as better license authentication and numerous bug fixes. 

Now, you can select which folder or project to upload media to and also render and upload videos directly to Lumion Cloud. It is also now possible to lock a license in Lumion so that it is possible to sign in and out and have the license on the PC remain unchanged.

Read more about all the changes below.

Important: 

  • Lumion 2025.2.0 is available as an Update, only for users in Lumion 2025.0.2 and 2025.10. Users on older versions need to do a full installation.

    See also:  Knowledge Base:  Lumion 2025: Everything you need to know

  • Note that Projects and models saved in version 2025.2.0 cannot be opened in older versions of Lumion.

  • All users are required to log in to their Lumion Account when starting Lumion 2025.2 for the first time. See the article below for more details on this change:

  • This release is for commercial customers. The version release for students and Faculty is planned for later this month.

 

1. New Features

1.1. Rendering and uploading directly to Lumion Cloud

1.1.1 Video Upload

Just like Photos and Panoramas, its is now also possible to render and upload Movies directly from Lumion to Lumion Cloud by enabling this toggle in the output settings. This works with all resolutions and aspect ratios.

Lumion can also upload the video as separate Clips by enabling the second toggle:


1.1.2 Select Folder when uploading

It is now possible to select the folder where the render will be uploaded to when rendering and uploading content directly to Lumion Cloud.

The 'Projects' and 'Renders' folders are available by default and you can can add/remove sub-folders as needed from Lumion Cloud.  



Lumion will remember the selected cloud folders for each media mode separately. It will also store the selected cloud folders in the .LSF file when saving the Project. The available upload locations are updated automatically in Lumion. 

 

1.2. Settings

1.2.1 License Locking

Lumion can now lock the License Key to a specific PC by enabling this option from the Settings > License screen (requires starting Lumion as an administrator).



This will make it so that users do not need to select a License Key when logging into Lumion.  The license used will be the one that was active when enabling the setting.

More information on this feature and its purpose can be found in this article:

2.1. User Authentication

Session handling and authentication have been Improved. Lumion now responds more gracefully when user authentication becomes invalid during a session. Previously, if the session refresh failed (for example due to token expiration or loss of internet connection), Lumion would continue running while the user was technically signed out. This could lead to unexpected behavior, as Lumion assumes the user is always authenticated

Now, a new “No internet connection” indicator has been added that will appear whenever connection drops.

Lumion will continue working while offline, however cloud features will not be available until a connection is restored.

Clicking this button manually triggers a connection check. Lumion will also stop validating the user cookie whenever no connection is detected, preventing unintended sign-outs.


3. Fixes

3.1. Build mode 

  • Lumion Imported Model Library: Fixed a problem that caused  fewer rows of items to be displayed in the Imported Model Library.
  • Text Object: Fixed an issue that would cause a Text Object's text box to get deselected after moving the cursor outside of it.
  • Imported models: The “Cannot create or modify variations on multiple selected objects” warning message no longer changes position when hovering the cursor over it. 
  • Space Objects Evenly: Fixed the way the Space Objects Evenly function behaves when multiple Imported Models are selected.
  • Groups: Fixed an issue that would prevent the user from placing a Group on the Landscape level due to an invisible box that was created when right clicking to rotate the camera. 
  • Groups: Fixed an issue that would result in unexpected results like placing dozens of Objects at the origin (0,0,0 position) when selecting a Group with a single Object in it. 
  • Groups: Fixed an issue where Groups would break if they were saved with less than 2 Groups in it. 
  • Groups: Group option buttons are now available right after changing a Group’s position. 
  • Groups: Groups created in newer versions of Lumion will no longer appear in the Library for older versions. 
  • Hotkeys: Placement hotkeys no longer disappear when browsing Library Objects. 
  • Landscape Mode: Fixed an issue with the cursor that could occur after using the Undo, Flatten Landscape, or Load Landscape File functions. 
  • Randomize Position: Fixed the a problem that could occur when using Randomize Position right after Align Position.
  • Performance Center: The Performance Center drop down menus sometimes failed to open when Lumion’s performance was slow. This has been resolved. 
  • Decals: Fixed an issue that resulted in Decals still visible but un-selectable after deleting a Group that contained Decals. 
  • Decals: Fixed multiple issues that could occur when using Mass Placement with a Group that contained Decals. 
  • Flag Objects: Flag Objects will now retain their imported texture as expected. 
  • Replace Selection: The selected Object in the Library is now deselected when entering Replace Selection. 

 

3.2. Material mode 

  • .DDS textures: Lumion no longer crashes when loading a .DDS texture with a resolution that is not divisible by 4. 

3.3. Loading, Saving, and Merging Project files

  • Recent files: Fixed an issue that would result in Lumion showing the wrong file  type in Recent Files after 
    switching license type. 
  • Project Recovery: When recovering a Project after a crash, some Effects would have their settings reverted to default or have excessive values such as for the Color Correction Effect. This has been fixed. 
  • Merge Project: Resolved an issue caused by merging incompatible Project files , which could result in a completely black scene. 
  • Closing Lumion: Fixed a problem that could cause the Save option to be unavailable when closing Lumion. 

 

3.4. Importing and Exporting

  • LiveSync: Fixed an issue that prevented the LiveSync reconnection of a model after saving and loading a Lumion Project.
  • LiveSync: While synced, fixed the blue highlight of a model in Build Mode when Lumion is not the active window. 

 

3.5. Photo, Movie, and Panorama Mode 

  • Movie Mode: Clips that were copied from a Clip Set and pasted on a different Clip Set  would not be saved properly. This has been resolved. 
  • Movie Mode: Fixed an issue that would cause the next Clip Set to not be created.
  • Movie Mode:  Merged Clips are now added to the correct Clip Set. 
  • Movie Mode: It is now possible to rename Clips in the render screen. 
  • Raytracing Effect: Reduced the Reflectivity of the Ocean when using Fully Ray-Traced Glass and Water.
  • Raytracing Effect:  Fixed black thumbnails being created when storing a Photo after rendering the HQ Preview while the Raytracing Effect is  enabled. 
  • 2-Point Perspective Effect: The Effect is now visible on the thumbnail shown when rendering.
  • Undo changes and restore Style: The Revert to Style button is no longer visible on Effects that haven't been modified.
  • Effects List: Improved dragging Effects up and down in the Effects List. 
  • Mass Move Effect: It is no longer possible to place Path Nodes in the sky. 
  • Cloud Upload: Canceling a render during the Cloud upload process will no longer create an invalid media file on the cloud. This is valid for Photos, Movies and Panoramas. 
  • Cloud Upload:  Fixed an issue that resulted in broken uploads after switching license type for the first time on a computer. 
  • Cloud upload + AI Upscale: The preview shown after a render finishes will now display the correct image size when Cloud Upload and AI Upscale are enabled. 
  • Renaming Photos/Movies: Renaming Photos and Movies have been unified so they work the same way when rendering. 
  • Photo/Movie Set: Fixed the highlight around the thumbnails when selecting/deselecting Photos and Clips in the render Photo Set/clips screens. The the tooltip for Clips was updated as well. 

 

3.6. Miscellaneous

  • User Sign-in: Fixed a problem that could cause Activation Codes to be visible in the authentication screen after logging out.
  • User Sign-in: Fixed a problem that could cause an “error 500” message when signing in. 
  • User Sign-in: Fixed an error that could occur with a specific version of Windows  and Windows Defender security software.
  • User Sign-in: Improved the error messages shown when something goes wrong during the user authentication process. 
  • User interface: It is no longer possible to click buttons under an overlapping panel (such as clicking on Object properties through the Performance Center panel.)
  • License Key: Lumion no longer deactivates the cached license on start up.
  • Updates: Updates have been re-enabled when starting Lumion.:

● Lumion 2024.0.1 to 2024.4.2 cannot update to 2025.0+. They only update to 2024.4.3 at the most. 
● Lumion 2025.0 to 2025.0.1 cannot update to 2025.1.0+.  Only versions 2025.0.2 and 2025.1.0 can update directly to to 2025.2.0.


See Also: