Crash when changing the name of a variable within in a struct that's being used by a Control Rig Blueprint

UE - Anim - Rigging - Control Rig - Nov 23, 2021

It seems that changing the name of a variable inside a struct that is being used by a Control Rig variable causes a crash. Additionally, after making the change and recompiling the Control Rig bluep ...

Editor crashes when opening several marketplace assets - Assertion failed: !HasAnyFlags

UE - Gameplay - Blueprint - Jun 22, 2016

Editor crashes while attempting to open several marketplace assets. Allar's Generic Shooter Defuse Studios RTS Template JCInventory Frequency: 5/5 Regression (yes) issue (does not) occur in 4.11 ...

Get Class Defaults node disconnects output pins when project upgraded from 4.11 to 4.12

UE - Gameplay - Blueprint - Jun 7, 2016

Upgrading a project from 4.11 to 4.12 causes Class Default nodes to disconnect their output pins from other nodes. If the node is reconnected and saved, it will disconnect again when the project is ...

Debug symbols are required for the Shipping packaging configuration

Tools - Feb 11, 2016

If the engine is installed without the Debug Symbols, packaging for Shipping will fail due to the missing files. While I believe this is expected for Development, it shouldn't occur with shipping. ...

Enum Element Names Reset on Project Upgrade

UE - Gameplay - Feb 22, 2017

Upgrading a copy of a project from 4.14 to 4.15 appears to be resetting the names of enum elements on switch on enum nodes. Opening the enum, saving it, and then restarting the project seems to res ...

No mouse decorator when dragging Event Dispatcher from My Blueprint panel

UE - Gameplay - Blueprint - May 20, 2015

Currently there is no mouse decorator when dragging event dispatchers out of the My Blueprints panel in the Blueprint editor. This contradicts the functionality of drag-and-dropping variables, func ...

A crash in editor will result after swapping inherited SCS component names at the parent class level before loading a child class that overrides them.

UE - Gameplay - Blueprint - Oct 26, 2018

This is an editor-only crash that's due to stack overflow/infinite recursion in UInheritableComponentHandler::FixComponentTemplateName(). We are recursively trying to rename other inherited componen ...

Clothing Data paint doesn't effect visible mesh

UE - Simulation - Physics - Jan 7, 2020

Skeletal mesh sections with cloth should have their visible mesh match their simulated mesh and this should be effected by painted values. Any vertices left unpainted(at 0) after the initial paint, ...

Single sided complex collision mesh collision blocks character movement from backside

UE - Simulation - Physics - Query - Nov 17, 2023

Commenting out the branch in FTriangleMeshSweepVisitor::VisitSweep is a work-around.if (CullsBackFaceSweepsCode != 0) { if (VectorMaskBits(IsBackFace)) { // Don't cull the back face ...

Some instances spawned by NeagaraDataInterfaceChaosDestruction breaking event will be set location to the world origin

UE - Niagara - Data Interface - Nov 29, 2024

 The following code can often be found in UNiagaraDataInterfaceChaosDestruction.const int32 ParticleID = ParticleIDParam.GetAndAdvance() - LastSpawnedPointID + 1; The LastSpawnedPointID is usual ...