Unreal Engine Issues
Unreal Engine Issues
Crash enabling Stochastic Rect Light with Ray Tracing
UE - Graphics Features - Lumen - Oct 13, 2020Enabling Stochastic Rect Lights with Ray Tracing causes the project to crash. Reported and tested in version 4.26.0(CL 14419252). Tested and not found in version 4.25.3(CL 13942748). ...
Editor crash while saving asset during cook operation
UE - Foundation - Data Pipeline - Cooker - Apr 2, 2025It is possible to experience an editor crash in 5.5.4 when the cook process generates a warning that references an asset while the editor is saving. It seems that during a save operation, the code t ...
Crash when committing level instances containing invalid child actor components
UE - World Creation - Worldbuilding Tools - Level Instances - Dec 4, 2024Getting 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 ...
Breaking out row pin on "Get data table row" node and checking a variable against a variable from a separate, unused "Get data table row" node causes error
UE - Gameplay - Blueprint - Mar 2, 2016Breaking out row pin on "Get data table row" node and checking a variable against a variable from a separate, unused "Get data table row" node causes error and fails compile. The error does not prov ...
Actors in TMap Blueprint Properties are not copied properly for PIE
UE - Foundation - Core - Sep 4, 2018Actors that reside in TMap blueprint variables refer to the Editor actors not the copied UEDPIE actors (that we'd expect) when accessed in PIE. This is not the case in standalone; this only occurs f ...
Details View loss of expansion state on container changes
UE - Gameplay - Blueprint Editor - Aug 3, 2020From the UDN post: When the new entry is added, the entire tree gets wiped out as a result of the CDO swap, and when these update methods run it leaves the tree in a default expansion state. (Effect ...
Crash from Tmap removing a key then printing the remaining keys
UE - Gameplay - Blueprint - Apr 7, 2017Crash from Tmap removing a key then printing the remaining keys. This has occurred in the third person template, but no further testing has been done for other templates. Regression: TMaps did not ...
Cannot PIE; Data Table Still Being Edited
Tools - Dec 22, 2015After making some changes to a Data Table, attempting to PIE fails and returns this error message: Cannot Play In Editor When Performing Edit MemberVar_1 operation. This occurs after closing and sav ...
"Get Data Table Column as String" Always returns Last Column
UE - Gameplay - Blueprint - Mar 10, 2018The final column of DataTable is always returned when using "Get Data Table Column as String" blueprint node. "Get Data Table Column as String" Blueprint node is new as of 4.19 ...