Unreal Engine Issues
Unreal Engine Issues
lots of wasted Volumetric lightmap samples
UE - Graphics Features - Lumen - Jun 20, 2019Expectations: The samples should only surround the lightmass importance volumes. Imagine if we build a 8K*8K map with lightmap importance volume at the corners of the map, even using stream levels ...
High Res Screenshot Tool Scene Color rendering washed out as EXR
UE - Graphics Features - Dec 8, 2015When rendering out the Buffer Visualization Targets with the HDR setting on, the resulting Scene Color EXR is rendering significantly washed out compared to the Buffer Viz. in the Editor and if comp ...
Incorrect number of parameters in empty Shipping version of the DrawDebugString() function signature
UE - Foundation - Core - Mar 26, 2019The DrawDebugString() function has to versions. One is the actual function to display a string of debug text in non-Shipping builds, and the other is an empty function that is used in Shipping build ...
Landscape Splines in Partially Loaded World Partition Levels Can Cause Nanite Landscape Invalidation
UE - Graphics Tools - Terrain - Nov 7, 2025Certain placements of landscape splines in world partition levels can cause Nanite landscape proxies to invalidate, and switch back to their non-nanite version. This happens when specific regions of ...
ChaosWheeledVehicleMovementComponent is breaking the const CDO contract and changes to the instances are being applied to the CDO
UE - Simulation - Gameplay - Apr 28, 2025As described by the licensee, the const CDO contract is being broken on ChaosWheeledVehicleMovementComponent. The issue the licensee is facing is that by spawning cars with different configurations, ...
Pasting variable nodes into a BP without those variables, should add them to the BP on paste.
UE - Gameplay - Blueprint - Jun 1, 2015If nodes are copy/pasted from a project in 4.7 to a project in 4.8, various nodes will not copy over and must be remade in the 4.8 blueprint. ...
Crash on inputting Scalar Value in Grass Material Node
UE - LD & Modeling - Terrain - Landscape - May 6, 2015Crash occurs when inputting a Scalar Parameter into the New to 4,8 Grass Node. Also reproduced in Main Promotable-CL-2535351 ...
Animation Sharing Plugin Removes Mesh Collision
OLD - Anim - Jun 11, 2019The referenced documentation does not state anywhere about collision being affected by animation sharing nor is the user expecting it to be affected. Even when the Collision Preset is overridden to ...
Instance Static Meshes spawned at Runtime do not have collision
UE - Gameplay - May 8, 2015Spawning an Instance Static Mesh at runtime does not have collision. This issue appears only in 4.8 Preview 1 and the 4.8 Release branch (tested on CL-2540862), but is fixed in Main Branch as of Ma ...
This user project gets a continual ensure condition failed: CurrentDepthTexture during PIE and packaged games
UE - Graphics Features - Jun 25, 2015Continual ensures while playing this user's project: LogOutputDevice: === Handled error: === Ensure condition failed: CurrentDepthTexture [Link Removed] [Line: 650] Stack: UE4Editor-Core.dll!FWind ...