Unreal Engine Issues
Unreal Engine Issues
Linux Vulkan editor crashes OOM on older graphics cards
UE - Graphics Features - Oct 19, 2018Vulkan editor is very crashy on older cards due to memory pressure. I have to switch to OpenGL to work on the unrelated bugs. I'm attaching the details of the particular failure I had (see VulkanMe ...
Non-ASCII fonts don't display in UMG
Tools - Nov 6, 2019When using a non-ASCII language in the editor text in UMG will not display correctly. Found in 4.23.1 CL#9631420 Reproduced in 4.24 CL#10053396, 4.25 Main CL#10050790 ...
Duplicating a map crashes the editor (Blueprint compile crash)
UE - Gameplay - Blueprint - Jan 5, 2015EDIT: Date: 1/21/2015 Adding the [Link Removed] Duplicating a map in the Content Browser crashes the editor. It does not matter if the map being duplicated is the currently open map or not. EDIT ...
Root Motion interpolation is incorrect when use URO
UE - Anim - Runtime - Aug 3, 2018According to Licensee's report, Root motion is incorrect when use URO. I Investigated, in the case of "Montages Only" become TrailMode in URO. Normally Animation Interpolation has implementation, ...
Movie Scene Capture - DX12 Render Artifacts and Delay
UE - Rendering Architecture - RHI - Jun 19, 2023If using the Legacy renderer (Movie Scene Capture) with DefaultRHI DirectX12, there's new delay and also some frames get weird artifacts. However, the delay and artifacts do not appear when using ...
Collision for bsp stays in level after bsp is deleted
UE - LD & Modeling - Modeling Tools - BSP - Jun 30, 2015If a bsp brush is deleted from a level, the level has geometry built, and the user presses play then uses the "show collision" console command, the collision for the bsp wlil still appear. This does ...
Client Ensure FShaderMapResource_SharedCode::ReleaseRHI is still referenced on exit/shutdown
UE - Niagara - Rendering - May 7, 2024Very rarely, the game client will crash on shutdown and the log will contain messages that look like: LogOutputDevice: Error: Ensure condition failed: false [File:Engine\Source\Runtime\RenderCore\ ...
Creating Destructible with PhysXLabs and Fracture Tool in UE4 yield different results and same settings
UE - Simulation - Physics - Destruction - Feb 25, 2015When creating fracturing a mesh in PhysXLabs vs UE4 fracture tool with both using Voronoi fracture and set to 25 chunks will give different results. The mesh (Attached below along with reference i ...
The Temporal console variable has the wrong value
UE - Graphics Features - Aug 20, 2019The r.SSR.Temporal console variable value is always set to its debugging value of 0 instead of being at its default of 1 Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P6 (CL - 798402 ...
OnComponentBeginOverlap and EndOverlap are called multiple times when moving in a Skeletal Mesh component's collision
UE - Simulation - Physics - Jul 7, 2015OnComponentBeginOverlap and EndOverlap are called multiple times when moving in a Skeletal Mesh component's collision. This does not occur with a Static Mesh's collision. Test project available her ...