Unreal Engine Issues
Unreal Engine Issues
Editor crashes when attempting to press tab while editing transform values in structs
Tools - Dec 23, 2014Editor crashes if a user presses tab while editing transform values in a blueprint struct. Note: This only occurs while editing transform variables, no other var causes this crash. Logs and Dump f ...
Snapping Pivot to Vertices is Difficult using New Default Keyboard Shortcuts
Tools - Aug 6, 2015A licensee requested this ticket be entered as a bug report. The pivot vertex snapping functionality has changed and no longer functions as it did in prior versions of the engine. Somewhere the key ...
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 ...
Depth reading features on devices without framebuffer fetch are relying on undefined behaviour.
UE - Platform - Mobile - Oct 26, 2016For devices without framebuffer fetch we are relying on undefined behaviour for depth reading with decals, mod shadows and depth reading materials. (ES2 spec: 3.8.6 Texture Framebuffer Attachment). ...
Using xcode-select to switch between Xcode 10 and Xcode 11 beta can cause Xcode 11 to be unrecognized by the editor
UE - Platform - Apple - Jul 16, 2019After switching from Xcode 11.0 Beta 3 (11M362v) to Xcode 10 (10A255) and then back to Xcode 11, the editor no longer recognized that Xcode was installed on my machine when trying to use Xcode 11 as ...
Missing PSO Precaches in the engine
UE - Rendering Architecture - RHI - Aug 20, 2025A licensee wanted to report some missing PSO Precaching they found, which they have fixed locally: 1. UCableComponent doesn't implement CollectPSOPrecacheData or call CheckPSOPrecachingAndBoostPri ...
Instanced Static Meshes ignore max World Position Offset Displacement for bounds after UpdateInstanceTransform is called
UE - Graphics Features - Jun 18, 2025When an Instanced Static Mesh Component (ISMC) uses a material with a non-zero Max World Position Offset Displacement, the bounds are correctly expanded at initialization. However, after calling Upd ...
[5.4+] World Partition Landscape Spline Meshes Builder - Source landscape splines are not properly removed/hidden
UE - World Creation - Worldbuilding Tools - HLOD - May 30, 2025LandscapeSplineActors and LandscapeSplineMeshesActors are not behaving as expected in 5.4 or 5.5. Testing in 5.4 the issue mostly seems to stem from issues with the Target Landscape -> Landscape Ac ...
Event Tick is not running once packaged
UE - Gameplay - Components - Jul 20, 2015Event Tick works when it's running on Windows however once it's packaged or even launched onto all platforms, the event tick does not work as anticipated. This happens on all platforms. *Project ca ...
Typo in "BaseEditorSettings.ini": under section [/Script/UnrealEd.ContentBrowserSettings], key "DisplayPluginFolder" (singular) should read "DisplayPluginFolders" (plural).
UE - Foundation - Oct 11, 2025File "<ENGINE_PATH>/Engine/Config/BaseEditorSettings.ini" contains the following setting: [/Script/UnrealEd.ContentBrowserSettings] ; Whether to display the game project plugins in the Content Brow ...