Unreal Engine Issues
Unreal Engine Issues
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 ...
TextRender components do not update until blueprint is saved and compiled
UE - Gameplay - Blueprint - Aug 25, 2015TextRender components do not update when text is changed on compile. The blueprint must be saved, closed, and re-opened for the change to take effect. ...
Root Motion interpolation is incorrect when use URO
UE - Runtime - Animation - 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, ...
Multiple Timeline Tracks disappear when first track is collapsed
Tools - Mar 6, 2017When collapsing a timeline track, if there are over 5 tracks below it, some will disappear. This is a closer look at but UE-18550 Workaround Simply scroll on the timeline tracks to repopulate the ...
Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.* test cases fail in headless mode due to stylus error log.
UE - Graphics Tools - Modeling Tools - Jan 15, 2025Hello! In UE 5.5 Preview, new stylus code was introduced, which can cause a test failure in an unrelated test suite, Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.*. The test indirectly ...
Mover character flickers downward while crouched and moving every so often
UE - Runtime - Character - May 8, 2025Repro Rate 5/5 Packaged onWindows - 10 - Enterprise - L3864 Processor: AMD Ryzen Threadripper PRO 3975WX 32-Cores 3.50 GHz RAM: 128 GB GPU: NVIDIA GeForce RTX 3080 GPU Driver Version: 572.83 ...
Collision Boxes not set properly when using negative values
UE - Simulation - Physics - May 15, 2015When using multiple collision boxes with the mesh scaled in a negative axis while the collision boxes are rotated that the rotation is not taken into account when using the negative scale. ...
AreaFlags Empty During First PIE Session After Hot Reloading
UE - AI - Dec 12, 2016AreaID always seems to be empty during the first PIE session after hot-reloading. Only able to test in Dev-Framework CL# 3221683 due to the licensee's project being created in 4.15 and not being b ...
Client Ensure FShaderMapResource_SharedCode::ReleaseRHI is still referenced on exit/shutdown
UE - Rendering - Architecture - Niagara - 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\ ...
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 ...