[CrashReport] UE4Editor-Kismet.dylib!FTabInfo::OnMouseDownHisory(FGeometry const&, FPointerEvent const&, TWeakPtr<SMenuAnchor,()

UE - Platform - Apple - Jul 20, 2017

This is a common crash affecting Mac users in 4.16. It has occurred since at least 4.13 ...

Get Hit Result Under Cursor By Channel Blocked by Hidden Actors

UE - Gameplay - May 11, 2017

Components that are hidden in game seem to be blocking hits from the Get Hit Result Under Cursor by Channel node when it's tracing Visibility. This behavior is not consistent with 4.15.2. In 4.15.2 ...

Flickering with foliage occurs when setting the world origin point

UE - World Creation - Worldbuilding Tools - Foliage - Dec 28, 2017

There is an issue with flickering with foliage that occurs when setting the world origin point. This issue does not appear to be a regression. Versions Tested: Issue occurs in all versions tested 4 ...

PIE gets stuck on infinite loop when Background Streaming is disabled

UE - Foundation - Core - Aug 24, 2018

When "Use Background Level Streaming" is disabled, the Editor gets stuck loading in PIE when you press Play. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in 4.2 ...

Update Instance Transform Rotation for HISM isn't working in a packaged game

UE - World Creation - Worldbuilding Tools - Foliage - Aug 22, 2018

Using 'Update Instance Transform' to rotate HISM instances will work in PIE, but won't work in a packaged game. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in ...

Sequencer 3D Trajectories run very slow on deep hierarchies

UE - Anim - Sequencer - Aug 27, 2018

Using a Level Sequence with deep hierarchies causes the FPS to drop to low numbers when they are all selected within the Sequence. This is a regression from 4.19.2 (CL-4033788). This issue was repo ...

SketchUp models are too small once imported via the Datasmith plug-in

UE - Editor - Content Pipeline - Datasmith - Exporters - Sep 24, 2018

In Sketchup the user made a cube thats 100cm x 100cm x100cm and has Sketchup's measure units set to cm. When imported into DataSmith the cube is 39x39x39. It was calculated that the scaling was off ...

Vive: Trigger haptic has a low chance to not play

UE - Platform - XR - Feb 17, 2018

Occasionally the haptics will not response to a trigger pull on the vive wands. It's about 2/15 will skip response. ...

Inline edit conditions don't support undo

Tools - Jul 3, 2018

The Editor does not support undo after making changes Inline edit properties. Working in 4.18.3 Broken in 4.19.2 Tested in 4.18.3(3832480), 4.19.2(CL - 4033788), 4.20(CL - 4181430) , 4.21(C ...

DeferredDecal has rendering issue on iphone

UE - Platform - Mobile - Mar 9, 2018

I uploaded a test project. The issue can be reproduced at Iphone8(IOS 11) and Iphone6s(IOS 10.3.2). ...