Unreal Engine Issues

[CrashReport] UE4Editor-Renderer.dylib!FUploadObjectsToBufferCS* TShaderMap<FGlobalShaderType>::GetShader<FUploadObjectsToBufferCS>()

This is a common crash affecting Mac users in 4.16 User DescriptionsMacOS High Sierra Beta 2 - Starting a project ...

[CrashReport] Crash on Mac - UE4Editor-IOSTargetPlatform.dylib!FIOSDeviceHelper::DoDeviceConnect()

This is a common crash affecting Mac users on 4.16, it has occurred since at least 4.14. Users have not provided any descriptions. ...

Placing 'Groom' asset into scene results in assertion failed

Dragging a groom asset into the level results in a crash. Link to Project: [Link Removed] Tested in:  4.25 CL#11223911 ...

Can't inherit from ALight without a linker error

This is a regression from 5.3. It should be possible to inherit from ALight outside of the engine module without any sort of errors. Case: [Link Removed] ...

Object type properties with instanced modifier in a child actor is lost when saving

[AI] BehaviorTreeEditor crash when swapping from Behavior Tree to Blackboard view.

The first time that a Behavior Tree editor window changes from the tree to the Blackboard can cause a crash if you add and remove a key from the Blackboard via a different Behavior Tree editor windo ...

Crash using the Dataprep tool (MaterialShared.cpp)

The files in the linked case contain a project with a Datasmith scene and updated .udatasmith files that contains changes to the imported scene. When using the Dataprep Tool to import the updated sc ...

[Concurrency] - Voice Steal Release Time Doesn't Work when using a Priority Based Resolution Rule

When using a Priority based Concurrency rule, the Voice Steal Release Time is ignored and ejected sounds stop abruptly. Test Notes: See attached video. Note: I've shelved the test map and assets ...

Ensure occurs when turning on Constraints in Advanced Show Flags

An ensure occurs when Constraints are toggled on in the show options. Note After the ensure, you can toggle Constraints off and on freely This is a Regression from 4.14.3 ...

Advanced Vehicle Template FirstPerson camera position is different between C++ and Blueprint versions

The camera positions for firstperson mode in advanced vehicle template are different between the code and blueprint versions This is not a regression as it happens in 4.14.3 ...