Unreal Engine Issues
Unreal Engine Issues
The Web browser widget appears to be offset
UE - Editor - UI Systems - Oct 24, 2016The Web browser widget appears to be offset. The web browser widget appears to be offset and does not scale itself to fit the bounds of the widget. Note: This appears to function correctly in 4.13. ...
Root Motion is broken in Additive Animations and causes scale issues
OLD - Anim - Jan 5, 2017Root Motion is broken in Additive Animations. Also causes scale issues Regression: YES Worked: 3039270 (4.12.5) Broken: 3172292 (4.13.2) ...
Set Anim Instance Class no longer works with Wheeled Vehicle Pawns
OLD - Anim - Jan 24, 2017Set Anim Instance Class no longer works with Wheeled Vehicle Pawns Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) ...
Hot Reload wipes all elements of UProperty TArrays in Blueprint subclasses
UE - Foundation - Cpp Tools - Hot Reload - Dec 5, 2017Hot reloading a change that affects a class that contains a TArray UProperty will wipe all of the array elements of any Blueprint subclasses of that class. Regression?: Yes This does not occur in 4 ...
Using ServerTravel <MapName> command with Seamless travel causes level blueprint logic to not run on client
UE - Networking - Jan 14, 2020When calling the ServerTravel command when using seamless travel, level blueprint logic is not being run on the client side. NOTE: Adding a small delay (tested with .2 to 2 seconds) after the "B ...
Tessellation no longer working
UE - Graphics Features - Jan 12, 2016Material Tessellation is no longer working in 4.11 Preview 2, 3, or 4. It is also no currently working in 4.12 Main. Working: 4.10.2 - CL-2818068 Not Working: Tested in Dev-Release CL-2824708 Not ...
Naming an Event Dispatcher the Same as an Overridable Function Corrupts the Event Dispatcher
UE - Gameplay - Blueprint - Oct 21, 2015Creating an event dispatcher in a widget blueprint with the name OnDrop, which is already an existing overridable function, causes the event dispatcher to become corrupted and prevents it from being ...
Timer does not update in Vehicle Game
Docs - Samples - Oct 5, 2016When trying to test Vehicle game, the counter did not increase as time elapsed. This prevents being able to test if the lap function is working. Tested in 4.13.2 CL 3145013 and it was working. Thi ...
Line Trace Does Not Register Hit On Bottom Of Landscape
UE - Simulation - Physics - Dec 15, 2016When using a line trace under a landscape it no longer registers a hit on the underside. REGRESSION? Yes Worked 4.13.2 CL 3195953 Broken 4.14.1 CL 3224400 ...
Missing materials on the rear lights of library vehicles
TM - Content - Oct 24, 2025Reported in SF [Link Removed] The rear light material on Twinmotion library vehicles is not present on many vehicles in TM 2025.2. Confirmed affected vehicles are in the following categoriesCarsTw ...