Unreal Engine Issues

Blueprint Diff of GameplayTagContainer variable shows difference when there is none

GameplayTagContainer does not diff properly. ...

Mobile landscape rendering corrupted in 4.19

Linux servers cannot start on machines with less than 2G of RAM

The are reports on AnswerHub that servers don't start on machines with low memory. This is caused by an inflexible set up of OS allocation pools on Linux that demands at least 2GB (or close) of RAM ...

r.Shadow.RadiusThreshold and r.Shadow.FadeResolution not affected by Scalability Settings

r.Shadow.FadeResolution and r.Shadow.RadiusThreshold values in DefaultScalability.ini are not being applied ...

Set Replicate Movement node assumes Character class when pulling off of an actor variable reference (when using a character blueprint)

When using the Set Replicate Movement node inside of a character blueprint. The only node available requires the target to be a character. This applies to different types of references such as a gen ...

Editor Crash When DFAO Viewport Has Zero Area

I've reproduced this crash in 4.16, 4.17, 4.18, 4.19, and Main. Per licensee: The editor crashes if distance field ambient occlusion is enabled and a viewport is resized to have zero height. Th ...

Buffer Visualization Modes Are Inaccurate

In 4.18, Buffer Visualization Modes appear very similar to their representation in Buffer Overview. In 4.19 and Main (CL 4008322) the results are very blown out. Similar issue reported in [Link Remo ...

[CrashReport] UE4Editor_Engine!FStaticMeshRenderData::AllocateLODResources() [staticmesh.cpp:775]

No user comments in crash group 771 void FStaticMeshRenderData::AllocateLODResources(int32 NumLODs) 772 { 773 check(LODResources.Num() == 0); 774 ***** while (LODResour ...

The nativized 'Array_Get' custom thunk implementation fails to properly initialize the item returned in the invalid index case.

FCustomThunkTemplates::Array_Get() fails to properly initialize a default item when the index is invalid: Item = U{}; That will leave the item uninitialized (e.g. UDS types). Should be using the ...

Show Angular Limits for Anim Dynamics Node Does Not Show Constraints

Angular limits do not display in the viewport of the animation Blueprint Screenshots attached show expected verses results Issue does not occur in 4.18.3 Also a problem for FN: [Link Removed] ...