Unreal Engine Issues

Vehicle Template with Thruster Configuration will be affected by force relative to the distance from the origin

Vehicle Template vehicle with added Thruster Configuration to its VehicleMovementComponent will be affected by force relative to the distance from the origin. At around 200000 the force is enough to ...

HZB Setup Mips taking considerable time in GPU Visualizer

HZB Setup Mips in the GPU Visualizer seems to be taking considerable ms in 4.12 and 4.13 compared to 4.11.2. This seems to mostly affect editor/PIE GPU Visualization but looks like it should when ...

Fixup of spawnables from 5.4 to 5.5 loses custom track names

In the process of upgrading from 5.4 to 5.5. One of our systems relies on the internal track names in the sequence to dynamically find an actor to bind the track to. As I was testing the system in ...

Mobile Preview - Custom Stencil 4.23 Regression

Regression when using custom stencil with in-editor mobile preview. This does NOT reproduce in MAIN at CL 9730599 ...

Launching game through Right click > Launch game feature from the file location with crash 4.5

When launching the game with the -game flag or through right click > launch game in the project folder will result in a crash in 4.5 if there is a library containing a macro. ...

Adding array element of instanced meshes during simulation does not increase amount of elements in array

Adding array element of instanced meshes during simulation does not increase amount of elements in array. Regression (No) issue (does) occur in 4.10.4 ...

Landscape Creates Two Shadows with Baked Static/Stationary Lighting

It appears two shadows are created when building static lighting for Landscapes. One seems to be offset while the other is accurate to the angle of the light source. I tested this in 4.9.2, 4.10.4, ...

Ensure/Crash upon opening TM-Hair with Vulkan RHI | Ensure condition failed: DepthStencilLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL

Ensure happening on both Linux and Windows when using Vulkan RHI. Editor will Crash on Linux however when map TM-Hair is opened. Not a Regression, TM-Hair and Grooming feature is new to 4.26 and do ...

NullNetworkReplayStreamer::tick cost much more time in 4.22 when record replay

Rendered landscape heights for ES31 doesn't match SM5 since engine version 4.25

Switching between SM5 and ES31 views in the Editor shows some small variation in landscape heights. ES31 heights are stored in the vertex with some slight lossy compression so subtle variation can ...