Unreal Engine Issues

Stock "P_AssaultRifle_AMmo" and "P_Health" pickup particles from the Shooter Game Pack cause the editor viewport to stutter and hang repeatedly

When placing "P_AssaultRifle_AMmo" and "P_Health" pickups into a level there seems to be some stuttering in 4.19 projects. ...

Crash when using AActor::Rename to change the Outer of an actor to a SubLevel

Using AActor::Rename to change the Outer of an actor to a SubLevel will cause the editor to crash when the AActor is shown in the World Outliner. Regression?: Yes This does not happen in 4.18 but ...

[CrashReport] Ensure - UE4Editor_Renderer!FPlanarReflectionParameters::SetParameters() [planarreflectionrendering.cpp:704]

No user comments in crash group. Similar callstack in [Link Removed] but that is a crash and this is an ensure. 701 if (ReflectionSceneProxy && ReflectionSceneProxy->RenderTarget) 702 ...

Cannot find source code error when doubleclicking blueprint nodes to see it in the code.

The launcher version engine cannot find *.inl file from installed location (i.e. in my case it is located at D:\Launcher\UE_4.19\Engine\Source\Runtime\Engine\Classes\Kismet\KismetMathLibrary.inl) an ...

Hiding and showing a level with painted foliage at runtime caues the foliage to disappear

[CrashReport] UE4Editor_Core!FGenericPlatformMemory::OnOutOfMemory() [genericplatformmemory.cpp:184] - FPngImageWrapper::UncompressPNGData

Comment for user in crash group:Just add automotive project to my account, add it as 4.18, and each time trying to laod it, it crashes... 174 if (GWarn) 175 { 176 GMallo ...

Foliage disappears When Using sg.EffectsQuality 1 on Standalone

Foliage disappears When Using sg.EffectsQuality 1 on Standalone. ...

Point lights with source length building static lighting in incorrect direction

There is an issue where Point lights with source length building static lighting in the incorrect direction, the axis in which the light to be built seem to conflict with the preview build. This iss ...

4k monitor support with touch and mouse does not work

Mouse and touch support seems to become unresponsive when the editor is running on a 4K panel. Certain play modes will allow click events to work while others do not when running on a 3840x2160 disp ...

Root motion blending when two animation clips are adjacent

QAGameAdd SK_MannequinCreate a level sequence, add SK_Mannequin, add ThirdPersonWalk_RootMotionStep to the end of that first animation and add Crouch_Walk_Lt_Rifle_Ironsights RESULT: There's root mot ...