Unreal Engine Issues
Unreal Engine Issues
Gameplay Ability System Attribute Modifiers with a duration (including infinite) do not respect tag requirements
UE - Gameplay - Gameplay Ability System - Feb 21, 2024When using infinite or duration-based effects, required and ignored tags will have no effect on attribute modifiers. This appears to be caused by OnAttributeAggregatorDirty (GameplayEffect.cpp:2917) ...
Safezones on Android not set properly when orientation changes
UE - Platform - Mobile - Nov 5, 2024Looks like the resize that does the safe zone update is done before the orientation is updated. I suggested swapping the order to licensee in the UDN ticket and it worked for him. This should be t ...
bIgnoreAllPressedKeysUntilReleaseOnRebuild in Enhanced Input behaves unexpectedly during pawn possession
UE - Gameplay - Input - Jun 11, 2025This is a speculative bug report from the user. The fix for this is to re-do the work of 31224705 but in a better way. The "bShouldBeIgnored" flag is being overriden by the previous mapping's va ...
Assertion opening blueprint with HISMC created in 4.11
UE - World Creation - Worldbuilding Tools - Foliage - Jun 7, 2016After project was upgraded to 4.12 opening a blueprint that contains Hierarchical Instanced Static Mesh component will result in a crash. From the log I this is the important part: Assertion faile ...
Array of Instanced Objects on Component Does Not Propagate to Children Correctly
UE - Foundation - Core - UObject - Jun 6, 2017Attempting to add an entry to an array of instanced objects is not correctly displaying that entry in a child class based on that actor. It is expected that the inherited component in the child acto ...
Unable to edit default values of TMap struct variable stored in an inherited component from the full blueprint editor
UE - Gameplay - Blueprint Editor - Jun 29, 2017When you have a struct variable that is part of a TMap which is stored in an inherited component, the struct is not editable in the full blueprint editor. It is editable in the data only blueprint e ...
Value of Mass In Kg is multiplying in value when clicked
UE - Simulation - Physics - Jul 27, 2017When changing the value of Mass In Kg for a child of a Skeletal Mesh Actor, the value is getting multiplied with every select, deselect, and enter press on the value. The number the value is multipl ...
Light leak on mesh when in shadowed area
UE - Graphics Features - Nov 8, 2017When Cast Shadow and Self Shadow Only in the Lighting Section of the Details of a mesh, the light will randomly hit the mesh even though it is in a shaded area. Light appears to flicker and will com ...
First four landscape tools are not accessible in VR Editor Mode
UE - Editor - Workflow Systems - Jan 8, 2018Tested in Oculus. Found in 4.18.2 CL 3794801, 4.17.2 CL 3658906. Not able to reproduce in 4.19 Main due to a crash upon launching VR Mode. Users are able to select any of the first four sculpt ...
Split screen causes rendering issues with lightshafts
UE - Graphics Features - Feb 21, 2018There is an issue occurring where Split screen causes rendering issues with light shafts. This issue does not occur if you use the command " r.lightshaftquality 0" The issue no longer occurs. This i ...