Delete Unused Variables Does Not Remove Local Variables

UE - Gameplay - Blueprint - Oct 13, 2015

Using the Delete Unused Variables option under the Edit tab of a blueprint does not remove local variables. Instead, it displays a "All variables are in use" error. Occurs in 4.9.2 and 4.8.3 binar ...

Box Collision component with physics interacts with the player capsule when set to Overlap only

UE - Simulation - Physics - Dec 8, 2017

Box Collision component with physics interacts with the player capsule when set to Overlap only. This only seems to happen when both the Box Collision and the player capsule are set to Generate Ove ...

Ensure When Pasting Timeline Node that was Previously Connected to a Node into a Function

UE - Gameplay - Blueprint - Nov 4, 2016

An ensure is occurring when pasting a timeline that was once connected to a node into a function in blueprint. Regression: No, this also occurs in 4.12.5. ...

Random Stream variables in the GameMode are reset every PIE

UE - Gameplay - Blueprint - Jul 6, 2015

Random Stream variables in the GameMode are reset every PIE. Workaround is to use Set Random Stream Seed before using the Stream value. Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promotable ...

"Pausing" A TimeSynth causes a crash

UE - Audio - Oct 10, 2019

Clicking and holding anywhere on the editor outside the viewport when PIE causes a crash. The AudioRendering thread throws the following assert: Assertion failed: FreeClipIndex < PlayingClipsPool_Au ...

Slate Remote Enable Remove Server option in Project Settings -> Plugins causes editor to freeze and a memory leak

UE - Foundation - Cpp Tools - Plugin System - Sep 13, 2016

If a user enables Remove Server in Slate Remote plugin in project settings, the editor will become unresponsive and memory usage will continually climb. Regression: Working in 3039270 (4.12.5 rele ...

Snap To Grid doesn't function in the Static Mesh Editor's Perspective View when moving Sockets

Tools - Jun 29, 2018

When moving Sockets around in Orthographic View with Snap to Grid enabled, Sockets snap to the Position Grid Snap value when moved along the Grid. In Perspective View this is not the case and moving ...

Unable to compile Engine for Debug Editor when bDebugBuildsActuallyUseDebugCRT is set to true

UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 10, 2016

When building the source for the engine in Visual Studio 2015, if bDebugBuildsActuallyUseDebugCRT is set to true and the build configuration is Debug Editor, the build will fail. Full output log fr ...

Procedural Foliage Blocking Volume Blocks Sight Perception

UE - AI - May 25, 2016

Sight perception is being blocked by Procedural Foliage Blocking Volumes. Setting the volume to No Collision resolves the issue, but then the volume will not block foliage. Found in 4.12 Preview 5 ...

AI Move To Location zeros velocity each call, causing the AI Pawn to freeze if told to move again before reaching destination

UE - AI - Sep 12, 2016

AI Move To Location causes AI to lose velocity each time it is called, resulting in a freeze in movement on each call. Regression: Yes Worked: 4.12.5 (CL 3039270) Broken: 4.13.0 (CL 3106830) Funct ...