Unreal Engine Issues
Unreal Engine Issues
Custom Enums break blueprints on hot reload
UE - Gameplay - Blueprint - Aug 3, 2015If a custom code based enum is used inside a blueprint, doing a hot reload will break the nodes by assuming they are of a type other than enum. ...
Child character's Variable changes to the default value in a packaged project
UE - Gameplay - Blueprint - Jun 22, 2015Child character's Variable changes to the default value in a packaged project. User Description: Name of player character resets (to default value specified in parent class) after packaging. 3. P ...
[CrashReport] UE4Editor_Engine!FUniformExpressionSet::CreateUniformBuffer() [materialuniformexpressions.cpp:382] - IterateOverActiveFeatureLevels
UE - Graphics Features - Jan 5, 2018No user comments ...
Gameplay Ability Component Montage Replication incorrectly handles cyclic animation sections
UE - Gameplay - Gameplay Ability System - Dec 4, 2023In AbilitySystemComponent_Abilities.cpp, the check for the client being on a different section on line 3059 checks that the RepNextSectionID is not the current section. One would assume this is beca ...
Spring Arm Component attached to a Vehicle in a multiplayer environment will cause the Vehicle to jerk forward and backwards
UE - Networking - Aug 11, 2016Spring Arm Component causes vehicle to jerk forward and backwards in a multiplayer environment. ...
[CrashReport] UE4Editor_Core!FArchive::SerializeCompressed() [archive.cpp:696]
UE - Foundation - Core - Jun 12, 2018No user comments in crash group 686 // Iterate over all chunks, serialize them into memory and decompress them directly into the destination pointer 687 for( int64 ChunkIndex=0; ...
Raytraced reflection doesn't work with high roughness
UE - Graphics Features - Lumen - Oct 30, 2020Even when the max roughness for raytraced reflections is set to 1, they seem to be blended away at far below that value. For projects (e.g. film,vfx) where quality trumps speed it would be valuable ...
When multiple actors are selected, they have different undo behavior in the details panel
UE - Editor - Workflow Systems - Nov 15, 2021When the text in spinbox has focus, it doesn't get the change notification externally. It may also be worth noting that ctrl z or ctrl y also do not get bubbled up to undo the text box values. It a ...
Widget defaults not updated when modified on a base widget class via the hierarchy
UE - Editor - UI Systems - UMG - May 3, 2023A licensee has reported an inconsistency in how modified base widget class defaults are propagated to children. When modified via the UMG Designer Graph's Class Defaults, derived classes will be mar ...
Skylight Leaking Tint in Reflection
UE - Graphics Features - Oct 10, 2025From 5.6 onwards, Skylight Leaking is much stronger in reflections than in the world. Also tested on //UE5/Release-5.6, CL 45232827 ...