Material editor crash in 5.0.2

UE - Rendering Architecture - Materials - Sep 2, 2022

Setting multiple identical actors to replicate movement will crash on PIE with multiple players

UE - Networking - Jan 28, 2015

If ten or more of the same actor in a level have the "replicate movement" checkbox set to true, the editor will crash on PIE if the number of players is set to 2 (or with 1/2/3 players if dedicated ...

DataSmith importer is setting incorrect scale on Actors

OLD - Enterprise - Nov 16, 2018

When importing, DataSmith is assigning a scale on the actors, the option to set the import scale is no longer available in 4.21. ie: a 36" item comes in at 96" This was reported and tested in 4.21 ...

Blender FBXs import wrong number of bones which causes issues with Apex Cloth files

Tools - Jan 6, 2016

First of all, I'm not sure this is an issue with UE4, but I'm not familiar with Blender to rule this out. A user has reported an issue when importing a Rigged mesh from Blender it will add an addi ...

UDestructibleComponent::ApplyDamage doesn't affect root chunk if the mesh doesn't fracture.

UE - Simulation - Physics - Destruction - May 6, 2016

ApplyDamage calls through to applyDamage on the apex actor, which takes the impulse and applies it to any fractured chunks. If however not enough damage is done to the component to fracture it, no i ...

Crash when spawning destructible objects in 2 player PIE

UE - Simulation - Physics - Destruction - Aug 31, 2016

Crash Reporter link: [Link Removed] With Source Context: [Link Removed] ...

Bloom banding when exiting top of screen, doesn't affect other sides

UE - Graphics Features - May 27, 2016

As a blooming object (the sun in this repro case) leaves the view via the top-edge of the screen, some noticeable banding occurs. Happens in both PIE and -game. Found on: //UE4/Main CL-2991400 //U ...

Soft Contraint's Stiffness and Damping settings don't affect anything

UE - Simulation - Physics - May 19, 2017

The settings for "Stiffness" and "Damping" in the Soft Constraint setting for Physics Constraints doesn't seem to have an effect on anything. Regression?: No This also occurred in 4.14 ...

USE_EQS_DEBUGGER affects runtime EQS results in SingleResult mode

UE - AI - EQS - Mar 26, 2020

The licensee described it really well so I'll just copy what he said: When EQS debugging is enabled via USE_EQS_DEBUGGER, queries run in 'SingleResult' mode will not clear discarded items from the ...