Unreal Engine Issues
Unreal Engine Issues
Missing assignment/recursion in UHLODProxy::FindFirstActor can potentially lead to an infinite loop
UE - World Creation - Worldbuilding Tools - HLOD - Aug 13, 2018User reports on the forums of being stuck in an infinite loop and noticed a dead branch in the titled function:The body of if (SubLODActor) doesn't actually do anything, guaranteeing an infinite loo ...
Dialog Windows Still Displayed when Editor is Minimized on Macs
UE - Platform - Apple - Jun 25, 2015There are some dialog windows that will render on top of other external applications when the editor is minimized and does not have focus.....i.e. 'Building Lighting' and 'Auto-Save' dialog windows. ...
Text variable does not lose reference to a "Format Text" node after the node is deleted
UE - Gameplay - Blueprint - Jan 29, 2015After deleting a format text node, if a text variable was plugged into it the variable's pin will stay highlighted as though it were still connected. If this is then hooked up to the return pin of a ...
YCoCg to sRGB?
UE - Niagara - Rendering - Mar 20, 2024Both the material and the Niagara compute shader use the same function to interpret the YCoCg color data, but the Niagara compute shader returns an incorrect color. Also found on CL: 32347737 in Re ...
Folders beginning with two periods are incorrectly collapsed by FPaths::CollapseRelativeDirectories
UE - Foundation - Core - Jul 3, 2019The Function FPaths::CollapseRelativeDirectories assumes that any instance of the characters "/.." are a relative path to the parent directory, and removes them along with the preceding directory. H ...
Android API 30 LaunchURL Not Working
UE - Platform - Mobile - Jul 22, 2021The LaunchURL blueprint node is not functioning when using non-default browsers in API level 30 on Android Devices. Another licensee reports that the default browser may not be relevant, as any brow ...
SetNiagaraStaticMeshComponent in UNiagaraFunctionLibrary does not add NiagaraVariable to InstanceParameterOverrides
UE - Niagara - Jan 13, 2023The result of the Set Niagara Static Mesh Component (OverrideSystemUserVariableStaticMeshComponent) function provided by the UNiagaraFunctionLibrary is different from the operation result on the det ...
Possible incorrect logical operator used in if statement in OnlineSessionInterfaceNull.cpp
UE - Networking - Dec 31, 2014A user pointed out a possible mistaken use of the && operator instead of the || operator in an if statement in source code. In the FOnlineSessionNull::GetResolvedConnectString() function in OnlineSe ...
LLM: Delete LLM_IF_ENABLED if it is no longer a performance benefit, or convert all allocs and frees to use it if it still is.
UE - Foundation - Data Pipeline - Cooker - Nov 13, 2023The macros LLM and LLM_IF_ENABLED behave identically but are slightly different from a performance standpoint. For consistency all allocs and frees should use the same one. Measure the cost of a co ...
Swarm: Not able to set number of processors to use for Swarm from the UI
UE - Graphics Features - Aug 25, 2015There is a setting called "LocalJobsDefaultProcessorCount" in the Developer Settings tab in Swarm. After the change to make Lightmass build asynchronously while the user keeps working, this set ...