Unreal Engine Issues
Unreal Engine Issues
K2Node_GetEnumeratorName doesn't support bitmasks
UE - Framework - Blueprint Compiler - Jan 29, 2025This is almost identical to [Link Removed]. The difference is that we need a variant of UEnum::GetNameByValue that supports bitmasks. We'll likely have to run this by Core. ...
Physics object with collision box detects multiple begin/end overlap events even when specific collision channel is utilized.
UE - Simulation - Physics - Mar 23, 2015If a blueprint has a physics object and a collision box, the box will register overlap begin/end events multiple times, even if the collision is set to only overlap with specific collision channels ...
Editor Crashes on Nvidia GT 630M
Tools - Nov 6, 2014Editor Crashes on startup when using an NVidia GT 630M graphics card ...
Cannot Import Sound File with Duration Less Than 1 Second
UE - Audio - May 29, 2015Unable to import a sound file shorter than 1 second in length. The two sound files attached are the same sound, but one has been extended to at least 1 second long and successfully imports. ...
Lit Translucency Receiving Shadows with Forward Shading Enabled
UE - Graphics Features - Aug 13, 2018When forward shading is enabled, particles that have materials with their lighting mode set to "VolumetricNonDirectional" will recieve shadows. Attached images provided by user. Found in 4.19 CL# ...
IOS-Shipping memory managentment failed for std::string
UE - Platform - Mobile - Oct 8, 2018[Image Removed] [Image Removed] [Image Removed] if strip with -x option, it will fix this issue. ...
Linux Vulkan editor crashes OOM on older graphics cards
UE - Graphics Features - Oct 19, 2018Vulkan editor is very crashy on older cards due to memory pressure. I have to switch to OpenGL to work on the unrelated bugs. I'm attaching the details of the particular failure I had (see VulkanMe ...
Saving Level changes the Rotation of actors with parent-child relationships
UE - Gameplay - Components - Nov 14, 2019According to the licensee report, UnrealMath.cpp (588) constfloat SINGULARITY_THRESHOLD = 0.4999995f; It seems that this can be avoided by changing the above value. However, changing SINGU ...
Particles are only activated when the camera moves back
UE - Niagara - Mar 3, 2020UParticleSystemComponent :: CanConsiderInvisible () Particles determined to be invisible by MaxSecondsBeforeInactive seem to be activated only when the camera moves back. Is this correct behavior? ...
FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always
UE - Foundation - Core - May 7, 2020FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always. Because of FLLMTracker::FLLMThreadState::GetFrameStatTotals don't amount to about CustomTags. Following code will ...