Sequencer causes 3DWidget on BP vectors to snap to Actor when active

UE - Anim - Sequencer - Nov 15, 2025

When we have Vectors in BP with Show 3D Widget enabled, the Transform Widget would always snap back to the Actor after we move the 3D Widget in-world. [Link Removed] Removing the _DaySequenceActor ...

[CrashReport] UArrayProperty::DestroyValueInternal

UE - Gameplay - Blueprint - Sep 14, 2017

This is a somewhat common crash that has affected multiple users in 4.17. User Descriptionstried to compile a blueprint after changing blueprint interface function definitions. Source Code 121 ...

[CrashReport] UE4Editor_CoreUObject!StaticConstructObject_Internal() [uobjectglobals.cpp:3144]

UE - Gameplay - Jan 24, 2018

No user comments in crash group ...

EQS Overlap test no longer recognizes custom Collision Object Channel

UE - AI - Nov 12, 2019

Environment Queries Ignore tests for Custom Collision Object Overlaps. Note: The expected behavior seems to have worked in 4.21, After following the steps to reproduce, I can verify a successful de ...

Reparenting a non-widget BP A to UUserWidget then reparenting a widget BP B to A causes an assert when compiled

UE - Gameplay - Blueprint Editor - Apr 12, 2018

No user comments in crash group ...

Certain UPROPERTY values are not updated during auto-recompile

UE - Gameplay - Blueprint - Aug 4, 2016

Sometimes manual recompile is required to make a blueprint actually recompile data-only changes, but not always. If the last manual compile was with default values, then changes are not updated. If ...

[CrashReport] FScriptArray::ResizeTo() - UArrayProperty::DestroyValueInternal()

UE - Gameplay - Blueprint - Sep 28, 2017

This is a slightly trending crash after the 4.17.2 hotfix, although it has occurred since 4.17.0. Users have not provided any description of their actions when the crash occurred. The callstack is ...

[CrashReport] UE4Editor_Engine!FExpressionInput::Connect() [materialshared.cpp:129]

UE - Graphics Features - Jan 26, 2018

User comment from crash group:Saving a material layer blend asset. ...

Error during packaging if nativizing a blueprint that contains a TMap with a UserDefinedEnum as a key

UE - Gameplay - Blueprint - Jun 17, 2019

Certain Map container calls (e.g. Find, Add) will fail to compile at packaging time if a Blueprint class containing a Map variable with a user-defined enumeration as the key type is nativized. This ...