Unreal Engine Issues

Collision lost from body when using world composition and streaming

Physics object from a streamed level does not interact with other physics objects in persistent level. ...

Rendering a custom render pass will render the viewport.

If close the "Sequencer" window while leaving the "Render Movie Settings" window open, and then click the "Capture Movie" button, you will capture the movie from the perspective of the CameraCuts tr ...

Mac editor mobile preview crash with MSAA on

setting  GSupportsTimestampRenderQueries=false or r.GPUStatsEnabled=0 can fix it ...

Indirect light cache rendering issue in editor viewport

Crash when spawning multiple HISM at runtime in a packaged shipping build

When adding multiple Hierarchical Instanced Static Meshes on a loop and packaging the project in Shipping configuration the application crashes due to LowLevelFatalError [Link Removed] [Line: 1431] ...

Dynamic Spatial Frequency not working with dependent actors

In UReplicationGraphNode_DynamicSpatialFrequency::CalcFrequencyForActor, the ActorChannelCloseFrameNum is updated for the actor but not its dependents when calculating FramesTillReplicate. As a resu ...

All ELinearConstraintMotion pins in BP reset to "Free" when converting a project to 4.26

When using any of the Set Linear Limit nodes (X/Y/Z) and converting a project from a previous version of the engine, the nodes get their Constraint Type value reset to Free. I tested this with proje ...

Ambient Occlusion does not function with Forward Rendering enabled

Ambient Occlusion does not seem to function when enabling Forward Rendering. I tested the level without Forward Shading and could notice a visible difference in the shadows when Ambient Occlusion wa ...

Virtual textures flicker if physical pool is oversubscribed

If a virtual texture physical pool becomes oversubscribed the current behavior is: Log a one time only warning: ''Failed to allocate VT page from pool...' Continue to evict the least recently used t ...

Using Virtual Texture Streaming checkbox in texture editor can break materials

A texture can be toggled between virtual texture and regular texture using the Convert to virtual texture/regular texture tool in the texture asset context menu. This updates referencing materials t ...