Child actor passes a string to it's parent's overloaded constructor the incorrect string is received

UE - Gameplay - Sep 24, 2019

When a child actor passes a string to it's parent's overloaded constructor using an overridden function that returns a string it won't receive the correct string. I have verified that the correct fu ...

Imported TTF fonts rendering unknown glyphs for common characters

Tools - Oct 28, 2019

Imported TTF fonts rendering unknown glyph for previously-working characters such as ' or ! or , or ?. In 4.21 the font was working as expected. User states that custom fonts should be forward-compa ...

"NO ASYNC TICK" in Cascade viewport when adding a Skel Vert/Surf Location

UE - Niagara - Nov 7, 2019

Adding a Skel Vert/Surf Location node to a Particle Effect causes it to stop displaying particles and throws the warning "No Async Tick". Toggling Skel Vert/Surf Location off allows the Particle to ...

Crash to desktop after creating Level Sequence with Widget Blueprint

Tools - Nov 30, 2019

Newly created Level Sequence assets cant be opened when they have been created via Editor Blueprint Widget. They are created successfully through a button click for instance, but when you try to ope ...

Behavior of reparenting Component on UE5 is different from UE4

UE - Gameplay - Blueprint Editor - Mar 29, 2022

In UE4, Reparenting the Child Component did not update it on the screen, but the Relative Transform was updated. However, UE5 now retains Relative Transform, so there are on-screen updates. This is ...

Virtual Heightfield Mesh crash using released Vertex Factory

UE - Rendering Architecture - Jul 25, 2023

When using VirtualHeightfieldMesh we see intermittent crashes in FDepthPassMeshProcessor::TryAddMeshBatch(). This can happen when FVirtualTextureProducerCollection::CallPendingCallbacks() is called ...

Ensure triggered when creating Scene Proxy for GroomComponent

UE - Rendering Architecture - RHI - Apr 30, 2025

When a room component is added in C++ via the actor constructor, an ensure is triggered from precaching and the groom component. Behavior also observed on UE5/Release-5.5, CL: 40988944 ...

Editing Struct variable types can cause pins of an array of that struct to become disconnected

UE - Gameplay - Blueprint - Jun 6, 2016

When changing the variable type of a variable in a struct, it can cause some pins related to arrays of this struct to become disconnected. The project provided was from the Marketplace, entitled "Su ...

Editor crash when using Straighten Connection shortcut key

UE - Gameplay - Blueprint - Feb 8, 2017

Using Straighten Connections shortcut can cause the editor to crash after removing node pins. This appears to be due to GetGraphPinForMenu returning the last pin selected (in this case, the removed ...

Exceptions can no longer be enabled for ProjectEditor targets

UE - Foundation - Cpp Tools - Jul 16, 2018

It is no longer possible to enable C++ exceptions for the ProjectEditor target in code projects that use the binary Engine. Some fixes that were made for 4.19 now correctly show an error message if ...