Unreal Engine Issues
Unreal Engine Issues
Crash when setting a bookmark after going live with Multi-User Editing
UE - Virtual Production - Apr 22, 2019When using Steam VR in combination with the Multi-User Editing plugin and the Virtual Production Utilities plugin the engine crashes when adding a bookmark while a server is running. ...
Editor crash after using StaticComponentMaskParameter in a MaterialLayer
UE - Graphics Features - Dec 24, 2020Submix Level's minimum changes from -96dB to -60dB after making any changes to value
UE - Audio - Submixes - Mar 22, 2023Reproduces 3/3 times. Issue does not occur in //UE5/Release-5.1 - CL 23901901 Binary. Confirmed Regression. ...
Crash hovering mouse over User Defined Struct array variable on Widget Blueprint breakpoint
UE - Gameplay - Blueprint - Jan 22, 2020Looks a crash caused by an access violation when trying to export text from the property for the tooltip. Seems to be limited to arrays of user defined structs and the Widget Blueprint editor. ...
Getting Fullscreen or Windowed Resolutions doesn't fully execute on Linux
UE - Rendering Architecture - RHI - Oct 28, 2019When using "Get Supported Fullscreen Resolutions" on UE when built with Vulkan, no values are printed out. This is an issue with any platform that builds UE with -vulkan, not just Linux. In Engine ...
Pressing "+" element in landscape grass type asset crashes editor
UE - LD & Modeling - Terrain - Landscape - Jul 31, 2015Creating a landscape grass type and then pressing the + to add an element crashes the editor. Frequency: 2/2 Crashreporter: not currently available ...
The Editor crashes when adding an element to a TMap that uses an unhashable struct as a key
UE - Gameplay - Blueprint - Feb 28, 2017The Editor crashes if an unhashable struct is used as a key in a TMap and a new element is added to the TMap in a Blueprint. ...
Invalid access location compressing a BC6h texture in the editor
RAD - Oct 29, 2024Large texture crashes during Oodle compression with "-stompmalloc". It appears to be an internal Oodle error. Also tested on //UE5/Release-5.5/, CL: 37463908 ...
A 5.5 level that contains a Text3DComponent in a BP crashes the engine when opened in 5.6 (and up)
UE - Virtual Production - Sep 11, 2025A 5.5 level that contains a Text3DComponent in a BP crashes the engine when opened in 5.6 (and up). The licensee has provided his analysis: Description: Level instance created in UE5.5 and re-saved ...
[AI] UE_MT_SCOPED_READ_ACCESS(NavElementAccessDetector) Fails in editor on fresh sync
UE - AI - Navigation - Jan 27, 2025Licensees have reported failed multi-thread access code for NavElementAccessDetector in complex levels that have not finished compilation of their static meshes. The eventual failed check is inside ...