No warnings or errors if a UEnum has Bitflags metadata, but no Flags flag.

UE - Framework - Blueprint Compiler - Jan 29, 2025

The problem here isn't obvious: the native enum, EAnotherEnum, is missing the Flags flag for the UEnum. As a result, K2Node_GetEnumeratorNameAsString returns the max enum when it gets a combined fla ...

Additives using Frame From This Animation as the Base Pose Type fail to retarget correctly

UE - Anim - Rigging - Retargeting - Feb 13, 2025

Additive animations that use a frame from their own sequence as a base pose are initially broken when retargeted.  Users have to refresh the properties that select the base pose in order to fix the ...

Crash When Changing to Landscape Paint Tool With a Material Function for the World Position Offset of the Landscape Material

UE - Graphics Features - Feb 25, 2019

Crash on switching to landscape/paint tab when using a landscape material that has a material function hooked onto the WorldPositionOffset. Working as expected in 4.21 CL# 4753647 Found in 4.22 CL ...

Nav Modifier Volume Not Affecting Nav Mesh Until it is Moved

UE - AI - Oct 21, 2016

Nav Modifier volumes are not affected the nav mesh until they are moved from their initial placement position. Found in 4.13.1. Reproduced in 4.12.5 and 4.15 Main CL 3163223 This is similar to [Li ...

Crash when connecting to source control

Tools - Dec 28, 2015

Attempting to connect to Perforce source control causes the editor to crash in 4.10.1. The action being preformed (connecting to source control) and repro steps (reported by licensee) match [Link R ...

Retainer Box's widgets will blend in incorrect space when retainer box uses material shader.

UE - Editor - UI Systems - May 8, 2017

Displaying the UMG content with a material shader will mean that it is drawn to an sRGB aware surface and thus blended in linear space instead of sRGB space (as widgets expect). In sceenshot-1.png t ...

On mouse Down not firing for left click on Button widgets when using precise click

UE - Editor - UI Systems - Aug 31, 2017

When using the left mouse button to click and drag a button, the on drag detected will not fire even when using precise click. This was not the case in previous versions of the engine (Works as expe ...

Unable to compile level blueprint after deleting a structure that was being used as a variable type

UE - Gameplay - Blueprint - Nov 6, 2017

After compiling, the variable disappears from the variable list which prevents the user from deleting it and being able to recompile the level succussfully Not a regression as it occurs in 4.18.1 a ...

Setting bIsOrthographic does not change the view to/from Orthographic view

UE - Gameplay - Nov 16, 2017

Editing the bIsOrthographic variable in PlayerCameraManager does not cause the view to change to/from Orthographic Regression?: Yes This worked correctly in 4.17.2-3658906+++UE4+Release-4.17 This d ...

Can't change to Orthographic View when viewing Character assets in Editor

OLD - Anim - Nov 20, 2017

When attempting to view an Animation Blueprint, Skeletal Mesh, or Physics Asset in any of the Orthographic views the Editor remains in Perspective View. This is a regression as the issue was not pre ...