Constant Crashes on OS X 10.10.1

UE - Platform - Apple - Dec 15, 2014

User (Omri) on Mac running OS X 10.10.1. on MacBook Pro (17-inch, Early 2009 Experiencing Crash. Cannot reproduce. Crash Reporter: N/A Callstack: MachineId:1E07B9CE2F4554A7C3F421A9DD97AFB5 EpicAc ...

Setting PHYSX_MEMORY_STATS to 1 prevents the Engine from being built successfully.

UE - Simulation - Physics - Mar 9, 2015

If #define PHYSX_MEMORY_STATS 0 is set to 1, the Engine will not build successfully. The build fails with the message: error C2338: FPhysXAllocationHeader size must be less than 16 bytes. ...

Crane Yaw value affects attached Camera Rotation

UE - Anim - Sequencer - Aug 18, 2016

Crane Yaw value affects attached Camera Rotation. My expectation is based on the fact that Crane Pitch leaves the camera level ...

InstancedStaticMeshes disappear in Shipping builds on mobile when affected by dynamic point lights

UE - Platform - Mobile - Aug 22, 2019

This ticket is to add the safe workaround for 4.23.1, with a more optimal fix coming in 4.24. ...

TimeSynth Counts Beats: 1,2,3,0

UE - Audio - Apr 2, 2020

TimeSynth Counts Beats: 1,2,3,0 Link to project files: https://forums.unrealengine.com/unreal-engine/announcements-and-releases/asset-sharing/1724414 ...

Initial Seed value on Random Stream node has no affect

UE - Gameplay - Blueprint - Nov 16, 2017

When using a Random Stream variable to populate a Random Integer in Range from Stream, the Initial Seed value has no affect on the random integer selected. Workaround: Using a Seed Random Stream or ...

Editor UI lightens when r.HDR.EnableHDROutput is set to 1

UE - Graphics Features - Nov 15, 2017

When console command r.HDR.EnableHDROutput = 1 is used, the entire engine UI becomes lighter or more washed out / desaturated, as shown in attached screen shots. Confirmed this bug is not present i ...

Content Examples: Example 1.5 is stiff in Cloth Map

Docs - Samples - Apr 26, 2017

Example 1.5 on Cloth Map seems very stiff in 4.16 compared to 4.15. Regression: Yes Works in 4.15 ...

SetActorLocation does not affect WheeledVehicles

UE - Simulation - Physics - Sep 21, 2015

When using SetActorPosition() on a WheeledVehicle, it does not affect it in any way. This worked previously in 4.8. This has also been tested in main CL# 2698791 This may be related with: https:// ...

Specular Isn't Affected for Materials Set to the Eye Shader If r.IrisNormal is Enabled

UE - Graphics Features - Aug 27, 2019

Specular Doesn't Affect a Material with the Eye Shader If r.IrisNormal is enabled. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8302014 ...