Unreal Engine Issues
Unreal Engine Issues
Lengthy Compile Times on Blueprints Containing an Array of Self References When Multiple Instances Exist in the Level
UE - Gameplay - Blueprint - Oct 11, 2016There are lengthy compile times with a blueprint with 50+ instances in the level that contains an array of self references. On lower-end machines, the compile times are upwards of 10 seconds. Found ...
Attempting to build MinidumpDiagnostics with Visual Studio 2015 Update 2 results in failure
UE - Foundation - Core - Jun 7, 2016When attempting to build the Minidump Diagnostics project from the UE4 source, it will fail if you're using Visual Studio 2015 Update 2. Please note that this does not occur in the base VS2015 or wi ...
Map load stalls in texture streaming code
UE - Graphics Features - Jun 13, 2017A change was made to AActor.GetComponents which appends the results instead of resetting the output array. This seems to only impact 2 places in the code, and has a big side effect in the texture st ...
Crash from pausing an UMG animation using the event track
UE - Anim - Sequencer - Jun 27, 2017When pausing a widget animation by using an event using the event track to pause the animation the editor crashes when you play the animation via PIE or standalone. Tested in 4.15.3 - CL 3450819 4. ...
Reroute Node Breaks Link in Material Editor When Used with Material Function
UE - Rendering Architecture - Materials - Nov 30, 2017Adding a reroute node in the material editor between a texture object and a material function breaks the link and the texture object is no longer applied. Adding a reroute node into a spline that d ...
Flickering with foliage occurs when setting the world origin point
UE - World Creation - Worldbuilding Tools - Foliage - Dec 28, 2017There is an issue with flickering with foliage that occurs when setting the world origin point. This issue does not appear to be a regression. Versions Tested: Issue occurs in all versions tested 4 ...
Preview Scene Settings in Material Editor are not Saved
Tools - Mar 3, 2018Changes made to the Preview Scene Settings in the Material Editor are not saved. The preview scene will default to grey background instead of EpicQuadPanorama_CC+EV1 because "Show Environment" is al ...
Incorrect foliage color in editor preview when using PerInstanceRandom node
Tools - Mar 19, 2018When using PerInstanceRandom in the foliage material, the foliage in the editor preview has incorrect "broken" color. In the game preview, color shows up correctly. Reproduced in 4.19.0 CL 3944462 ...
[CrashReport] UE4Editor_Engine!ReleaseVertexBuffer() [dynamicmeshbuilder.cpp:299]
UE - Graphics Features - Mar 16, 2018No user comments in crash group 296 static void ReleaseVertexBuffer(FVertexBuffer& VertexBuffer) 297 { 298 ***** if (VertexBuffer.VertexBufferRHI->GetSize() <= FGlobalDynamicMesh ...
Using CommutativeAssociativeBinaryOperator with a BlueprintPure function causes an ensure when adding the function to a Blueprint
UE - Gameplay - Blueprint - May 3, 2018A UFUNCTION that is BlueprintPure and has CommutativeAssociativeBinaryOperator set to true results in an ensure whenever it is shown in the Blueprint Editor. The reproduction steps cover adding the ...