Memory leak after exiting PIE

There appears to be a memory leak when you PIE and then exit PIE. Users are reporting that each time they PIE, their RAM usage jumps up, say, 10MB, then when you exit PIE, it only drops down 5MB. ...

LIVE: EDITOR: Extremely large trigger volumes registering overlaps multiple times upon single overlap event

UE - Simulation - Physics - Sep 9, 2014

Update: 1/27/2015 User reporting multiple overlap events/end over lap events firing on smaller triggers, their specific dimensions were 400 uu x 2000 uu on a capsule   Build: 4.4.2-2289767 Descript ...

The Editor freezes during PIE when loading a .sav file from 4.7 in a 4.8 or 4.9 project

UE - Gameplay - Jun 24, 2015

The Editor freezes during PIE when loading a .sav file from 4.7 in a 4.8 or 4.9 project. The user reporting this reports a memory leak and crash, but I have not been able to reproduce that in partic ...

Enabling Merge GC Clusters and Blueprint Clustering causes a packaged Window project to crash

UE - Foundation - Core - Cooker - Jan 3, 2019

Enabling the check boxes for Merge GC Clusters and Blueprint Clustering causes packaged Windows projects to crash on startup. The log and dump files regarding this crash have been attached to this t ...

Native variable references like GameplayAttribute cannot be searched by "Find in Blueprints" or "Asset Search"

UE - Gameplay - Jan 4, 2023

"Find in Blueprints" does not turn up results when searching a GameplayAttribute by name, even when there is a GameplayEffect blueprint that has a modifier for that GameplayAttribute. This is becau ...

r.Shaders.Optimize=0 crashes when compiling a UI material

UE - Rendering Architecture - Materials - Sep 2, 2024

[2024.08.30-22.12.22:384][ 73]LogWindows: Error: appError called: Assertion failed: CurrentGPUVirtualAddress != 0 [Link Removed] [Line: 659] Disabling shader optimisation can crash the editor when ...

Compile error in ShadowDepthVertexShader.usf if INTERPOLATE_POSITION

UE - Graphics Features - Oct 21, 2015

Shader compile error in function PositionOnlyMain() in ShadowDepthVertexShader.usf if defined INTERPOLATE_POSITION. LogShaderCompilers:Warning: 1 Shader compiler errors compiling WorldGridMaterial ...

On static mesh import correctly named materials in project aren't automatically applied

UE - Editor - Content Pipeline - Import and Export - Jul 16, 2019

When importing a static mesh into a project with the appropriately named materials in it already they won't apply to the mesh automatically when setting Search Location to All Assets without being i ...

Advanced Vechicle Template throws warning about no default skeleton when opening the physics asset

Docs - Samples - Dec 3, 2014

DESCRIPTION: If you try to open the physics asset for the Advanced Vehicle template will throw a warning that the physics asset has no default skeleton and that it will be replaced with the default ...

Components tree is ending up with duplicate entries (same pointer added to the list view more than once), causing an assert

UE - Gameplay - Blueprint Editor - Jul 19, 2017

This is a common crash affecting users in 4.15 and 4.16. Over 200 unique users have been affected. User DescriptionsCamera Component Drag Drop Error 카메라 컴포넌트를 이벤트 그래프에 드래그 하는 도중 에러 발생 Creating a ne ...