Unreal Engine Issues
Unreal Engine Issues
Video Texture thumbnail does not update after you change its output track
Media Framework - Mar 2, 2017When updating a video texture's output track, the player preview and world will update immediately, however the texture's thumbnail will revert to default color: Black. When moused over, the thumbn ...
Drop down menus clip on 27" Screen iMacs
UE - Platform - Apple - Mar 17, 2017Drop down menus clip on 27" Screen iMacs (See attached images.) Reported from a 27" iMac and tested on a 27" iMac here. Other models may be affected. *Image with Blue circled areas are from the use ...
QABP_Containers is dirtied when opened
UE - Gameplay - Blueprint Compiler - Jul 29, 2017REGRESSION: Yes, does not occur in 4.16.3 In QAGame, the blueprint QABP_Containers is dirtied (needs to be compiled and saved) when the user opens it. This occurs every time the editor is restarte ...
VREditor: Right eye freezes when looking at a selected object with temporal upsampling enabled
UE - Platform - XR - Feb 27, 2018The right eye of the HMD freezes when looking at an object that has been selected in VR Mode with Temporal Upsampling on. Happens with both Vive and Oculus. I did not see this when playing in VR. I ...
IsTraceHandleValid with default FTraceHandles has unexpected behavior on the first frame
UE - Simulation - Physics - Sep 18, 2018Because both FWorldAsyncTraceState's CurrentFrame and FTraceHandle are default initialized to 0, on the first frame, if a new Asnc Trace starts all default FTraceHandles will reference the same (now ...
UWorld::CleanupWorld causes issues with sublevels when changing maps after building lighting
Tools - Mar 1, 2019A licensee has reported that UWorld::CleanupWorld is causing issues with assets in Sublevels if you build lighting on the parent level, save all of the maps, and then change to another level. The as ...
Niagara GPU particles will always have a lifetime of one second if they use a Collision Module
UE - Niagara - May 2, 2019GPU Particles will always have a lifetime of one second when using a collision module. This is a result of an issue with how off screen timing is handled. GPU particles that are off screen should on ...
Sorting a Blueprint variable into a subcategory separates variables into separate category structures
UE - Gameplay - Blueprint - Oct 14, 2019Within the Blueprint Editor, it is possible to create subcategories for variables to be sorted into. Doing so separates variables not nested into subcategories out into standalone, top-level structu ...
Crash compiling a blueprint after changing a TMap value from Vector to Vector4
UE - Foundation - Core - UObject - Jun 29, 2020REGRESSION: Issue does not occur in 4.24 Crash occurs when the user changes a blueprint TMap value from Vector to Vector4 and then compiles the blueprint. This seems to only occur with TMaps, as ...
Crash when attempting to deform a landscape when Paint Layer has not been used - Assertion failed: !TargetProxy->HasLayersContent() || !InCanUseEditingWeightmap || EditingLayerGUID.IsValid() [LandscapeEdit.cpp Line: 5252]
UE - LD & Modeling - Terrain - Landscape - Sep 9, 2020The editor crashes when attempting to draw a weight blended texture to the landscape if it hasnt been used on that landscape yet. This crash can be completely avoided if the stone texture is painted ...