Editor Crashes When Using Set Replicates in the Construction Script

UE - Networking - Mar 1, 2016

When spawning an actor using the Spawn Actor From Class node that has a Set Replicates node in the construction script, the editor crashes upon attempting to run a dedicated server with 2 players. ...

Crouching/Uncrouching while standing on a physics object will cause the object to behave erratically

UE - Gameplay - Sep 7, 2016

Crouching/Uncrouching while standing on a physics object will cause the object to behave erratically. Even if the CharacterMovement component has Physics Interaction disabled, it will still effect t ...

Cannot Add Torque to Skeletal Mesh

UE - Gameplay - Jan 15, 2016

When attempting to apply torque to a ragdolled skeletal mesh, nothing happens, regardless of the value used. Applying an impulse works as expected, but adding torque seems to have no effect. Found ...

Source control syncing in editor will sometimes not update changes made to assets

Tools - Aug 25, 2015

When using source control and attempting to sync the project, sometimes assets are not updated to the latest changes properly. This causes changes made to those assets later to override previous ch ...

Object Scale Not Working with Instanced Static Mesh

UE - Graphics Features - May 19, 2016

Using Object Scale in your material with an Instanced Static Mesh does not change the color of the material if you scale the individual instances of the Instanced Static Mesh component. If you scal ...

[CrashReport] UObjectBaseUtility::IsA | UObjectProperty::SerializeItem

UE - Gameplay - Aug 15, 2017

This is a trending crash coming out of the 4.17 release. Update: also occurring in 4.18 User DescriptionsCompiled after Refreshing Blueprint node after changine its namePressed compile after creat ...

Debug Helpers no longer drawn indefinitely if life time is set to 0 or less

UE - Graphics Features - Sep 10, 2018

Setting the lifetime for one of the visual debug helpers (a sphere was used in the repro, but the results should be similar for any of the debug helpers) to a value of 0 or less should make the debu ...

Niagara Parameter Collection Overrides aren't working

UE - Niagara - Aug 20, 2020

Parameter collection overrides defined in the Niagara system's System Properties do not work. In FNiagaraSystemSimulation::GetParameterCollectionInstance the return value of GetParameterCollectionO ...

World position offset (WPO) and nanite enabled causes shadow of complex static mesh actor to be deformed at a specific distance

UE - Graphics Features - Nanite - Dec 19, 2024

Context / Problem: Complex static mesh actors with nanite enabled and Evaluate World Position Offset (WPO) enabled works together except for a specific distance where the shadow is deformed and sort ...

BlueprintNativeEvent functions break on hot reload

UE - Gameplay - Blueprint - Mar 7, 2015

A blueprint that uses a node for a BlueprintNativeEvent function breaks on hot reload. Blueprint cannot be saved or compiled. Compile error states: Error This blueprint (self) is not a HOTRELOADED ...