Unreal Engine Issues
Unreal Engine Issues
A partially broken Geometry Collection ends up with garbage CollisionGroup data that can lead to strange behaviors
UE - Simulation - Physics - Destruction - Apr 27, 2025A partially broken Geometry Collection (GC) ends up with garbage CollisionGroup data that can lead to strange behaviors. The licensee has noticed that a GC that goes thru a field applying ExternalS ...
[CrashReport] UE4Editor_CoreUObject!StaticAllocateObject() [uobjectglobals.cpp:2153]
UE - Anim - Sequencer - Jun 3, 2016Really close to the repro steps for [Link Removed] Same repro steps produced the following Buggs along with this one: [Link Removed] [Link Removed] Error message: Fatal error: [Link Removed] [Lin ...
GenerateKDopAsSimpleCollision() clamps vertices that are close to the origin which results in inaccurate primitives
UE - Gameplay - Nov 10, 2015When DOP simplified collision is generated for a mesh that has vertices that are close to the origin, part of the function till clamp any values between -0.5 and 0.5 to be 0.5 which will cause the r ...
[AI] UE_MT_SCOPED_READ_ACCESS(NavElementAccessDetector) Fails in editor on fresh sync
UE - AI - Navigation - Jan 27, 2025Licensees have reported failed multi-thread access code for NavElementAccessDetector in complex levels that have not finished compilation of their static meshes. The eventual failed check is inside ...
Typo in the tooltip for the DynamicBranch node results pin
UE - Content - Engine - Feb 22, 2016The Tooltip for the Results Pin of the DynamicBranch Material node incorrectly says that Color Input 1 will render if the Alpha is greater than 1, but the setup is for greater than 0. [Image Remove ...
Editor Crashes when creating a function in Child Anim Blueprint
OLD - Anim - Mar 16, 2017Editor Crashes when creating a function in Child Anim Blueprint. Regression: This issue did NOT occur in 4.13.2 Binary build ...
Google VR Plugin - Unable to package for Distribution
UE - Platform - Mobile - Oct 19, 2018There is an issue with GoogleVR and Android SDK 26 that only occurs when packaging "For Distribution", possibly connected to the SDK 26 change regarding the UiLayer for VR mode. Packaging without Di ...
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, 2017This 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 ...
Crash when element is added to a map variable with unhashable key
UE - Gameplay - Mar 21, 2017Crash when element is added to a map variable with unhashable key. An error is thrown on compile but an element can still be added under the Details panel of the variable. Crash Reporter: [Link Rem ...
Fringe Saturation in Post Process Volume not functioning
UE - Graphics Features - Jul 27, 2015Setting the values for Fringe Saturation within the Post Process Volume does not seem to have any visual change. The documentation suggests that changing the Fringe Saturation will either increase ...