Unreal Engine Issues

MipLevel sample mode doesn't work as expected in Adaptive RVT

Ocean does not completely fill water zone in certain circumstances

Issue reported in [Link Removed] by [Link Removed] 1. Add one component to the 8K Landscape. [Image Removed] 2. Adding Ocean will not render correctly. [Image Removed] [Image Removed] These ca ...

Anim Graph will hang if the Draw Debug Sphere and Set node are connected and compiled

anim blueprint hangs when compiled. Probably a cyclic issue when compiling. A workaround is to add a delay of any time between the set node and the Draw Debug Sphere node. Repros in the following v ...

Objects animated in Sequencer fail to trigger collisions against stationary characters with character movement components

When an object, such as a cube, is animated in sequencer and that object's path intersects a stationary character with a character movement component, the object will pass through the character with ...

Datasmith - Lights imported with incorrect transforms

Reported in SF [Link Removed] In Twinmotion 2025.1.1, lights imported through Datasmith appear with incorrect transforms. Lights will appear rotated 90 degrees about the Y axis with an offset. Test ...

Allow promote to variable on Color structs/Vertex Colors structs for Procedural Mesh components

Issue: Currently, it is not possible to make a variable of type "Color" specifically for the color struct on procedural mesh components (see image attached). This is the only variable on procedura ...

Layered destructible meshes do not simulate correctly

Layered destructible meshes do not simulate in the same way between UE4 and PhysX Lab. The observed issues are: 1) After first fracture no more damage is applied 2) Areas seem to react differently ...

Separate Translucency for Particles Breaks when Scene Color is used

When using Scene Color in a Particle System's Material with Separate Translucency checked true, all Particles with Separate Translucency checked true placed in the level with the Scene Color Particl ...

Haptic Effects do not fire on Vive controllers

Playing haptic effects via the associated blueprint nodes (I.e. Play Haptic Effect, or Set Haptics by Value), does not trigger any feedback on the Vive's motion controllers. This does not reproduce ...

Engine crash when Scene Capture Component 2D is added to viewport with forward rendering

If forward shading is enabled and shadows are disabled, adding an actor with a SceneCaptureComponent2D and static mesh to the viewport will cause the editor to crash. Regression: Yes - this crash o ...