Unreal Engine Issues

Twinmotion sign-in error when attempting sign-in inside app

Reported in SF [Link Removed] Attempting to sign into Twinmotion from within the TM 2026.1 editor results in a consistent sign-in error using the sign-in buttons. Initial sign-in during launch whe ...

Landscape displaces after converting file to Twinmotion 2026.1

Reported in SF [Link Removed] The client has a file from Twinmotion 2025.2 that contains a sculpted landscape. When converting the file to Twinmotion 2026.1, the landscape becomes displaced from it ...

Downloaded Megascans assets cannot be accessed while offline

Reported in SF [Link Removed] When launching and using Twinmotion 2025.2 or 2026.1 offline, the Megascans library becomes unusable due to the subfolders of the 3D assets, 3D plants, Surfaces and De ...

HDRIs do not appear in exported Presentations

Reported in SF [Link Removed] HDRI environments are not appearing in exported Presentations. Occurs for both Local and Cloud exports and across all HDRI types. Thumbnails for Cloud Presentations w ...

Cloud materials not loaded in local Presentations

Reported in SF [Link Removed] Locally exported Presentations may show some downloadable Twinmotion library materials with the placeholder material when the Presentation is opened. This only occurs ...

Presenter Cloud will fail Uploading and Processing with almost empty scenes

All Megascan asset libraries are missing

All Megascans assets no longer appear in Twinmotion 2025.2 hotfix (46767548). Other libraries do not appear to be affected. ...

Long load time for files with large numbers of trees in 2025.2

Reported in SF [Link Removed] User reports that multiple files with large amounts of trees take substantially longer to load in TM 2025.2 compared to 2025.1.1. Confirmed with one of the user's fil ...

Compress files in resource collector is not working

Some .tmi files from previous versions cannot be used in TM2025.2

Some .tmi files appear, while others don’t.The customer mainly uses Blender and SketchUp.On the customer side, even the TM asset “Metal workout desk DCL” has the same issue.On my (Syuya Mukai) side, I ...