Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Failed assert during BP compilation (trying to call a default delegate) (UE4Editor_KismetCompiler!FScriptBuilderBase::EmitFunctionCall() [kismetcompilervmbackend.cpp:1216])
UE - Gameplay - Oct 27, 2017This is a trending crash coming out of the 4.18 release. User DescriptionsI tried to call an Event Dispatcher (which is assigned in the Level Blueprint) in the Construction Script of the Blueprint ...
[CrashReport] UE4Editor_VREditor!AFloatingText::AFloatingText() [vreditorfloatingtext.cpp:99]
UE - Editor - Workflow Systems - Jul 25, 2018UPDATE This crash occurs when compiling shaders with a Floating Text asset in the level. Following the repro steps given above, the crash occurs each time opening the editor after forcing shaders to ...
Huge performance hit when recording a demo (demorec)
UE - Networking - Jun 3, 2019The current engine version (4.22) seems to suffer a huge performance hit when using the demo recording (demorec) feature. This issue is present in both the editor and the packaged game (developer bu ...
4.24 Instanced Stereo Distortion Error in ComputeBufferUVDistortion
UE - Graphics Features - Nov 13, 20194.24 moves distortion calculations to the file DistortionCommon.ush and its`ComputeBufferUVDistortion` function. The code in the INSTANCED_STEREO define no longer works as `Interpolants` isn't passe ...
Editor Content remains visible in 4.25 preview when set to hidden
Tools - Apr 22, 2020Editor Content remains visible when selecting a Static Mesh for a Cube Actor in 4.25 preview even after setting Engine content to hidden. ...
[Dynamics Processor][Audio Bus Sidechain] - Audio Bus Sidechain doesn't function the second time a sound is triggered
UE - Audio - Audio Bus - Sep 2, 2021Retriggering a sound using an Audio Bus as a sidechain on a Dynamics processor seems to not uses the sidechain. The sidechain will start working again if it's reset on the Dynamics Processor effect ...
Movie Render Queue Renders Black Frames when MultiSample Effects Are Disabled
UE - Anim - Sequencer - MRQ - Apr 25, 2022Occurs 5/5 times. When 'Disable Multisampling Effect' is enabled, the Render Warm Up is set to 0, and the Custom Playback Range is set to a small value, frames render out fully black. Regression d ...
[Soundfield Submix] - Editor crashes when PIE using a Soundfield Submix
UE - Audio - Submixes - Nov 16, 2022Editor crashes when using a Soundfield Submix with any encoding setting (Unreal, Oculus, Resonance). Assertion failed: IsSoundfieldSubmix() && SoundfieldStreams.Settings.IsValid() [File:D:\build\++U ...
[ModularSynth] - The square wave oscillator is silent in the modular synth component
UE - Audio - Nov 21, 2022Reproduced 3/3 times. Issue does not occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Note that Sound can be heard when Osc types are set to anything else besides Square, or ...
Compilation error in Mac editor builds when adding UWorld::IsStreamingLevelBeingConsidered function
UE - World Creation - Worldbuilding Tools - Jun 30, 2023This code passes the build when compiled using the windows editor (Visual Studio), but fails when compiled using the mac editor (XCode). Adding ENGINE_API to struct FStreamingLevelsToConsider and ex ...