Unreal Engine Issues
Unreal Engine Issues
When a Niagara System has SimTarget set to GPUCompute Sim, CameraQuery is only returning data from the Player0 camera, ignoring the PlayerControllerIndex.
UE - Niagara - Nov 8, 2024When a Niagara System has SimTarget set to GPUCompute Sim, CameraQuery is only returning data from the Player0 camera, regardless of PlayerControllerIndex. The expected behavior would be to have the ...
Actor Dropped at Wrong Location During PIE
UE - Editor - Applied Usability - Apr 3, 2025When attempting to drag and drop an actor from the Content Browser into the level viewport during PIE, the actor is not placed at the mouse cursor location if the Player Controller is attached. Inst ...
Static Meshes in Precomputed Visibility Cells are not occluded by landscape
UE - LD & Modeling - Terrain - Landscape - May 5, 2016When using precomputed visibility on device for occlusion culling the landscape does not take the cameras view into account for culling objects when out of view of the camera and inside a visibility ...
Physics Constraint no longer constrains components that are set to Query Only
UE - Gameplay - May 5, 2016Physics Constraint no longer constrains conponents that are set to Query Only Regression from 4.11.2 User Description: Testing a 4.12 copy of my 4.11 project and when I tested in editor, all my ...
Using Subversion results in a hanging attempt to sync to source control
Using Subversion on a Mac to connect to an online repository causes the Source Control settings window to hang indefinitely and never succeed in connecting ...
Editing ChildActorComponents on a Parent BP can corrupt a Child BP's state.
UE - Gameplay - Components - Jun 13, 2017Editing the Child Actor Class of a Child Actor Component owned by a Parent BP can corrupt the Child BP's state. This seems related to known serialization issues, where changing a Parent's Property ...
Image widget does not scale the inner borders correctly
UE - Editor - UI Systems - Oct 24, 2014When Scaling in and out in the UMG blueprints with an image applied to an image widget that is set to border as it's "Draw as" selection the image does not scale correctly. EDIT: The UI should prev ...
Engine build fails due to Unresolved External Symbol error after adding a new global variable to the Engine and then trying to reference it within Engine code
UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 7, 2018Building the Engine in Visual Studio will fail due to an unresolved external symbol error if a new global variable is added to CoreGlobals.h and then referenced elsewhere in the Engine code. The bui ...
The Niagara Staticmesh data interface node Random Tri Coords doesn't respect Emitter's Deterministic Settings
UE - Niagara - Aug 11, 2021From UDN: We are using the Cascade particle system and we want to render the same scene with multiple cameras, so multiple renders are required. In order to ensure that the result of the particle s ...
Pins using SGraphPinNameList do not handle reset correctly and do not have a "None" entry
UE - Framework - Blueprint Editor - Sep 15, 2023From the UDN licensee: I put together a draft PR of something that should work. As I mentioned in the PR, this works as expected with one caveat; in SPinComboBox::Construct we are hardcoding the to ...