Unreal Engine Issues

[CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::Get() [weakobjectptr.cpp:81]

This is a trending crash coming out of the 4.18 release. It may be a regression. User Descriptionscreated a physics asset and tried to open it... Source Context 66 if (!SerialNumbersMatc ...

Error when exporting OBJ unattended

When doing an unattended OBJ export with python. The export will fail and give the atteched callstack. ...

Crash with a migrated BP actor using InstancedStaticMeshComponent

A 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 ...

HLOD crash when dragging and dropping actors into their own cluster in the HLOD outliner - ALODActor

Particle System Warmup Time causing Crash with Light Module and High Quality Lights

A 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

The 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

Sequencer 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

Building 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

UWheeledVehicleMovementComponent no longer has an IsFalling variable. It originally inherited from UPawnMovementComponent which it gained this variable from but now inherits directly from UMovementC ...

Using reset to default arrow does not cause blueprint to dirty

When using the yellow arrow beside of settings in the editor to reset values back to their default in blueprints, the blueprint does not dirty. This was working as expected in 4.15, however after ...