Unreal Engine Issues
Unreal Engine Issues
Crash with a migrated BP actor using InstancedStaticMeshComponent
UE - Gameplay - Blueprint - Nov 28, 2016A licensee reported one of their map crashes on open when they tried to migrate from 4.12 to 4.14. There was no crash in 4.13. This seems to be caused by a certain BP actor that adds InstancedStat ...
VREditor: Crash in VR Mode when interacting with motion controller menu
UE - Editor - Workflow Systems - Sep 27, 2017The editor is crashing when interacting with the VR Mode motion controller menu. So far this has only been tested on Oculus. I got this to occur in a blank project as well when in VR Mode, by movin ...
Enabling Anisotropic BRDF causes crash upon Editor restart
UE - Graphics Features - Lumen - Mar 13, 2020Enabling the Anisotropic BRDF (beta) causes crash upon restarting the Editor. This was reported and tested in 4.25 Preview 2 (CL-12055273). This was reproduced in main 4.26 (CL-12161634). ...
Warp Utils plugin crashes on Editor restart
UE - Virtual Production - Mar 17, 2020Enabling the Warp Utils plugin and restarting the Editor causes it to crash. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 Preview 2 (CL-12055273) and reprodu ...
Particle System Warmup Time causing Crash with Light Module and High Quality Lights
UE - Graphics Features - Oct 7, 2016A crash occurs when Opening a level with a Particle System that contains a warmup time and a Light module with High Quality Lights checked. This crash seems very isolated and specific as it does no ...
Update Oculus Audio SDK
UE - Platform - XR - May 19, 2016The current version of the oculus audio SDK fails to initialize for some clients. We haven't been able to reproduce the problem internally but we're told from Oculus that updating the SDK will fix t ...
Sequencer Auto-key will incorrectly place a key for rotation if the object's rotation is not between -180 and 180
UE - Anim - Sequencer - Aug 17, 2016Sequencer prefers rotation to be specified between -180 and 180, while the details panels prefer between 0 and 360. When auto-key is on, sequencer will add a key that does this conversion despite th ...
Investigate intermittent crash in CacheOptimizeIndexBuffer on Editor startup on Linux
UE - Platform - Linux - Nov 23, 2015Building 4.10 from the GitHub release branch on Linux fails to open after install and instead crashes Community Suggested Fix: Switching triangle order optimization off with r.TriangleOrderOptimiza ...
UWheeledVehicleMovementComponent no longer contains an IsFalling variable
UE - Gameplay - Dec 8, 2016UWheeledVehicleMovementComponent no longer has an IsFalling variable. It originally inherited from UPawnMovementComponent which it gained this variable from but now inherits directly from UMovementC ...
Set Material in Blueprint Causing Crash
UE - Graphics Features - Jul 30, 2018Using "Set Material" for a static mesh in blueprint causes a crash. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4233996 and 4.21 CL# 4234136 This is a regression. ...