Unreal Engine Issues
Unreal Engine Issues
Crash when playing NiagaraSystem with mesh renderer in CPUSim with Compress Attributes enabled when stompmalloc is enabled
UE - Niagara - Jul 16, 2024Crashes when playing Niagara particles with the following conditions enabled. It crashes only when stompmalloc is enabled, not when disabled. Enable Ray tracingEnable Compress Attributes in System P ...
Disabling Disregard for GC with an invalid asset in GameplayTagTableList causes a controlled crash
UE - CoreTech - UObject - Jul 31, 2024Disabling Disregard for GC leads to a crash in GarbageCollectionVerification.cpp VerifyObjectFlags. This crash occurs when there is an invalid path specified in GameplayTagTableList. The cause of t ...
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 ...
Converted 4.7.2 project crashes on open after successful recompile
UE - Gameplay - Blueprint - Mar 13, 2015User's Project is crashing since converting to 4.7.2. I have attached the project itself below, but after conversations with the user and seeing pieces of the project, this issue may be related to ...
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. ...
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 ...