Unreal Engine Issues

Two-Sided Material option is initially greyed out and inaccessible when creating a Material Instance

When attempting to change the option for Two-Sided Material for a Material Instance, the option is initially greyed out and you cannot change the value. However, if you close out of the Material Ins ...

Undo change to Rest Offset causing crash in Static Mesh Editor

When undoing any change to Rest Offset for a collision mesh the engine will crash. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binary //UE5/Release- ...

Crash occurs when blueprint breakpoint is placed after a Draw Debug String node

This is not a regression. Tested in //UE5/Release-5.2 CL 26001984 The editor crashes when playing in editor on a level that has a break point placed on a ticking draw debug string node that is prec ...

Volumetric lightmap + stationary light has missing shadows

Primitives with the "Lightmap Type" set to "Force Volumetric" are not shadowed correctly. Issue dates back to at least 4.27.2. As a workaround, making FLightCacheInterface::GetStaticInteraction al ...

Free physics constraints between two objects of differing size causes smaller object to jitter

A cube constrained to a physics actor will start to jitter uncontrollably when interacted with. (see attached media and repro steps for more details) Tested in the following //UE5-Release-5.3-CL ...

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

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 ...

FDistanceFieldAsyncQueue crash during cook with MetaHuman Hair assets

CrashReporter Client has no options to close without sending

The options to close the CrashReporter window without submitting the crash report are no longer available. I suspect this was an intentional change for Paragon ([Link Removed]), however this is not ...

Compiling a blueprint with SetCollisionResponseToChannel Causes Crash

When using a blueprint with a destructible component, you can call the SetCollisionResponseToChannel node of that component in the construction script. As a result the engine will crash when attempt ...

Switching to different modes in the Modes panel causes PIE to take input from a connected VR headset for the Y axis camera movement

If a VR headset is connected, it will be used for Y axis camera input in PIE if you have switched to and from the Landscape tab in the Modes panel. You can fix this temporarily by reopening the edit ...