Unreal Engine Issues
Unreal Engine Issues
Objects animated in Sequencer fail to trigger collisions against stationary characters with character movement components
UE - Gameplay - Player Movement - Oct 22, 2024When an object, such as a cube, is animated in sequencer and that object's path intersects a stationary character with a character movement component, the object will pass through the character with ...
Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6)
UE - Anim - Sequencer - Jun 25, 2025Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6). As described in the Steps to Reproduce section, the command expands the prope ...
Destroying a welded actor is causing an Array index out of bounds crash on 5.6
UE - Simulation - Physics - Jul 30, 2025Destroying a welded actor is causing an Array index out of bounds crash on 5.6. The licensee has provided a repro project that reliably causes a crash whenever the spawned actor is destroyed. There ...
Allow promote to variable on Color structs/Vertex Colors structs for Procedural Mesh components
UE - Gameplay - Oct 13, 2015Issue: Currently, it is not possible to make a variable of type "Color" specifically for the color struct on procedural mesh components (see image attached). This is the only variable on procedura ...
Timelines are displayed as [Unamed TimelineComponent] in the Details view
UE - Gameplay - Blueprint - Mar 24, 2015Timelines are displayed as [Unamed TimelineComponent] in the Details view. Renaming the Timeline in the Blueprint has no effect. Reproduced in 4.7.3 binary and Main (//depot/UE4/Promotable-CL-24874 ...
Separate Translucency for Particles Breaks when Scene Color is used
UE - Graphics Features - May 12, 2015When using Scene Color in a Particle System's Material with Separate Translucency checked true, all Particles with Separate Translucency checked true placed in the level with the Scene Color Particl ...
[CrashReport] AppleIntelBDWGraphicsGLDriver!USC::CPassSsaAllocatorContext::RollbackSpillFillToCopies()
UE - Platform - Apple - Sep 2, 2016Error message: SEGV_MAPERR at 0x3a Source Context: Most recent user affected CL: 3106830 (4.13.0) Logs: [Link Removed] [Link Removed] [Link Removed] CrashReporter User Descriptions:UE4.13 immed ...
Blueprint icon flashes when hovered over
UE - Editor - Content Pipeline - Content Browser - Mar 24, 2015Blueprint icon flashes constantly when mouse is hovering over it; this only occurs with a specific type of blueprint class. . Branch: Binary, from Launcher . Build Version: 4.7.3 . Description: T ...
Enabling For Distribution doesn't set config to Shipping in DefaultGame.ini
UE - Platform - Mobile - Nov 29, 2017After I ran the above steps and then packaged for Windows and iOS (using File > Package in the editor), my resulting executable was Shipping. So far this issue is cosmetic / confusing to the user ...
SSR Experimental Denoiser crashes when enabled using Vulkan
UE - Graphics Features - Apr 27, 2020Enabled the SSR Experimental Denoiser using Vulkan causes the Engine to crash. This crash does not happen with DX11 or DX12. This happens on Linux and Windows (-vulkan). This was reported and teste ...