Unreal Engine Issues
Unreal Engine Issues
Translucent materials with Modulate blend mode disappear with down-res translucency enabled
UE - Graphics Features - May 28, 2024Reported from this UDN: https://udn.unrealengine.com/s/question/0D5QP00000MLlco0AD/active-dtr-doesnt-render-beforedofmodulated-materials?fromCase=1 The problem is that, except in very specific circ ...
Blueprint Break on Exceptions does not work with Accessed None errors
UE - Gameplay - Blueprint - Jan 14, 2015The experimental feature Blueprint Break on Exceptions does not work with Accessed None errors. To test, create an actor variable in a blueprint and use it as an input to a function without having s ...
Orthographic Camera Preview window does not render materials
UE - Graphics Features - Jan 17, 2015I am using the orthographic camera preview fairly extensively for making an in-engine Tiling Texture maker. This feature is currently busted since the orthographic camera preview window is rendering ...
DefaultSceneRoot causes Get Actor Bounds to Return 128
UE - Gameplay - Jun 1, 2016When using the Default Scene Root component in a blueprint with no additional components, the box extent of the Get Actor Bounds node is returning 128,128,128 instead of the expected 0,0,0. If you ...
Cpp files of new classes are not automatically added to Perforce or the Project's Solution via P4VS
Tools - Dec 6, 2017A licensee has reported a problem where FVisualStudioSourceCodeAccessor.AddSourceFiles is unable to handle two files being added at the same time. In this case, a .cpp and .h are added at the same t ...
Generate Project Files process fails if SwarmAgent.exe is not present
UE - Foundation - Cpp Tools - Mar 5, 2019This issue appears to be the result of the fix for [Link Removed] which removed RPCUtility from the Engine. A licensee noted that they were now seeing an issue when attempting to generate project fi ...
Crash when setting Retainerbox scale is set to 0 at runtime
UE - Editor - UI Systems - Jan 22, 2021Crash at runtime when Retainerbox scale is set to 0. The call stack indicates that the size of RenderTarget2D is set to 0. Attached repro project sets the scale of the RetainerBox that wraps the Im ...
Reimporting an FBX causes invalid collision on Spline Mesh Components (Chaos)
UE - Editor - Content Pipeline - Import and Export - Nov 11, 2021Reported in UDN: [Link Removed] Reimporting a static mesh asset from an FBX file causes collision to disappear on spline meshes referencing the static mesh asset. In investigating this in 4.27, I ...
ARKit- Camera Passthrough does not function in ARDebugCheck Packages targeted for Shipping
UE - Platform - XR - Apr 1, 2022Repro Rate 5/5 Confirmed to be a regression. Regression tested in //UE4/Release-4.27 at CL 18319896 and it did not occur. This was tested on a prepackaged project for compat testing. Only a black ...
Movable Skylight with DFAO creates Dark Areas when Combined with Reflective Material
UE - Graphics Features - Jun 9, 2016A user on the AnswerHub pointed out that his reflections when using a Movable Skylight with Distance Field Ambient Occlusion produces black results when combined with a reflective material. I trace ...