VS2015 Update 3 prevents the editor from compiling code

UE - Foundation - Cpp Tools - UnrealBuildTool - Jun 28, 2016

Updating Visual Studio 2015 to Update 3 prevents code projects from compiling / creating new code projects ...

NPC - Instances does not get updates from changes to the parent Niagara Parameter Collection in the editor

UE - Niagara - Oct 4, 2024

When an Niagara Parameter Collection (NPC) is selected as the parent Collection for an NPC Instance (NPCI), all of its current parameters are carried over to the NPCI with their current values as th ...

Hierarchical Instanced Static Mesh Component Doesn't Update Instance Transforms In Standalone Window and In Packaged Game.

UE - World Creation - Worldbuilding Tools - Foliage - Aug 4, 2018

The Hierarchical Instanced Static Mesh Component doesn't update instance transforms in Standalone window and in Packaged game. Working as expected in 4.19 CL# 4033788 Found in 4.21 CL# 4233996 and ...

Renaming a Gameplay Tag does not update all references

UE - Gameplay - Jul 26, 2017

When a gameplay tag is renamed, gains a prefix/suffix, or is changed the updates to the tag are not being reflected in blueprints where the value has already been stored. This occurs in the case of ...

Using Collision in Niagara without an Update Age module will prevent any particles from spawning

UE - Niagara - Feb 17, 2020

Using Collision without Update Age will prevent any particles from spawning. In Collision Query and Response DataInstance.Alive has a default value of false. If no other module sets DataInstance.Ali ...

[AI] Changing NavMesh Resolution in config file does not update the quantFactor of existing navmesh

UE - AI - Navigation - Aug 6, 2025

When we changed the resolution in the config, if you open a map and then look at the navmesh, the resolution it shows is the updated one from the config (assuming you haven't overridden anything) ...

The texture preview does not update in the Texture Sample

UE - Rendering - Architecture - Materials - Mar 14, 2019

The preview image for the Texture Sample Node does not update when the Texture parameter is linked to a Texture Object. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5365847), 4.23(CL - 5396611) ...

Material Instance Can't Update Material Parameters Defined in a Material Function Within a Material Layer

UE - Rendering - Architecture - Materials - Nov 21, 2018

When you edit the parameters of a material function that is within a material layer from the material instance, the material instance does not update. Found in 4.20 CL# 4369336, 4.21 CL# 4541578, a ...

Property Redirectors do not update the DisplayName of delegate nodes

UE - Gameplay - Blueprint - Mar 19, 2020

This is happening because the property  FText DelegatePropertyDisplayName; on UK2Node_ComponentBoundEvent is serialized, so it does not get properly updated.  ...

Reset of bone proxy in anim editors detail panels doesn't re-enable live update of tranforms

UE - Anim - Runtime - Feb 23, 2023

The bone proxy details customization for the animation editors doesn't currently reset modifications correctly.  When a transform channel is modified and then reset, the bone proxy doesn't start liv ...