Unreal Engine Issues
Unreal Engine Issues
Confusing build error message provided when semi-colon is not added after a forward declaration in an Interface header file
UE - Foundation - Cpp Tools - UnrealHeaderTool - Feb 15, 2019If a forward declaration of a class is made in the header file for an Interface class, and no semi-colon is included at the end of the forward declaration line, the build will fail with a confusing ...
Crash Creating Geometry Collection on Windows 7
UE - Simulation - Physics - Oct 24, 2019Crashing on windows 7 when trying to create a geometry collection or opening the chaos destruction demo. Breaking on D3D11Util.cpp: Line 249 UE_LOG(LogD3D11RHI, Fatal,TEXT("%s failed \n at %s:%u \n ...
Landscape Grass does not spawn initially outside Foliage Mode
UE - World Creation - Worldbuilding Tools - Foliage - Mar 26, 2020Foliage spawned from Landscape Materials is not initially created. The user must enter Foliage Mode before the refresh is pushed and foliage is created. I can reproduce this issue with or without E ...
Number containers do not correctly parse equations
Tools - Jul 30, 2020In C++, arithmetic operators * and / have the same priority and therefore should be resolved left to right. In this case, * is being resolved first and / second. 1/128*128 and (1/128)*128 should p ...
Cine Camera Actor drop downs missing from details panel
UE - Editor - Workflow Systems - May 28, 2021The Lens, Color Grading, Global Illumination, Reflections, and Rendering Features sections in the Cine Camera Actor Details panel are missing their drop down buttons. This issue is occurring in // ...
Setting a float variable to a value that's beyond the maximum value of a float causes the editor to become unresponsive
UE - Editor - UI Systems - Localization - Nov 12, 2021When inputting an extreme large value into a float variable that exceed the maximum value of a float, the engine then becomes unresponsive. I tested this with an integer variable and this did not oc ...
Restarting the engine makes c++ classes not visible from the content browser
UE - Editor - Workflow Systems - Apr 5, 2022After creating c++ classes, if the engine is restarted, the c++ classes will not be visible in the content browser. However, the created classes are visible from the explorer. After opening the engi ...
Moving a water body causes engine to drop fps and spike ms
UE - Graphics Tools - Terrain - Water - Apr 26, 2022Moving a water body lowers performance on the engine. The fps drop from 120 to 30 and ms spike from 8 to 30. This issue occurs in 5.0 Binary and 4.27 Binary on Windows. On Mac, FPS drop and ms spike ...
Modifying FSuggestProjectileVelocityParameters::ResponseParam.CollisionResponse modifies FCollisionResponseParams::DefaultResponseParam
UE - Simulation - Core - Sep 17, 2024FSuggestProjectileVelocityParameters was introduced in 5.4 and has a FCollisionResponseParams member that's initialized as a mutable reference to FCollisionResponseParams::DefaultResponseParam. str ...
DAE Import - Missing geometry in imported .dae model from Cabinet Vision
TM - Interoperability - Mar 27, 2025Reported in SF [Link Removed] Client created a ,dae file in Cabinet Vision. When imported into TM, geometry will be missing, such as the walls and parts of the cabinets. Tested and occurs in TM 20 ...