GetCookedEnvelopeData Blueprint node does not work

UE - Audio - Oct 17, 2019

The GetCookedEnvelopeData Blueprint node does not output cooked audio envelope data when a Soundwave with enabled Amplitude Envelope Analysis is being played. Tested in 4.21 (CL - 4753647), 4.22.3 ...

Ensure condition failed when destroying a Level Sequence Actor on tick

UE - Anim - Sequencer - Oct 18, 2019

In Tick processing of LevelSequencActors of World Tick, If you destroy an actor with an actor's ticks, delete it immediately from the LevelSequencActor array. I think that the problem occurred becau ...

Setting a value Material Parameter Collection to Material will cause crash

UE - Graphics Features - May 2, 2016

Adding a Material Parameter collection to a material, setting its value, then saving the material will cause a crash. This was only able to be reproduced on Mac and did not affect the Windows versio ...

Possible CurlHttp crash on Android dedicated server

UE - Networking - Sep 30, 2016

A user has reported that their dedicated server experienced a curlhttp crash after updating to 4.13.1 and left running for an extended period of time. Crash not reproduced internally. ...

FMatrix::ErrorEnsure(const TCHAR* Message) doesn't output TCHAR parameter

UE - Foundation - Core - Oct 30, 2019

FMatrix::ErrorEnsure(const TCHAR* Message) doesn't output the message passed to it.  Found in 4.23 CL#9631420 Reproduced in 4.22.3 CL#7053642, 4.24.0 CL#9892386, 4.25 Main CL#9892271 ...

Docking tabs to the main viewport will hide other viewports that are not docked

UE - Editor - UI Systems - Slate - Mar 3, 2015

If any tabs are undocked from the main viewport and another tab is then docked to the main viewport it will hide any undocked tabs. This only appears to affect tabs that in the Menu > Window with ex ...

LIVE: Attach Actor to Component crashes the editor when used after Set Simulate Physics

UE - Simulation - Physics - Oct 31, 2014

The user has attached a small project at the link to demonstrate the issue. Occurs in 4.5.1 and well as Main (//depot/UE4/Promotable-CL-2239587). Crash Reporter: [Link Removed] ...

[CrashReport] UnrealEditor-Engine!SkeletalDebugRendering::DrawBonesFromPoseWatch(FPrimitiveDrawInterface *,FAnimNodePoseWatch const &,bool) [SkeletalDebugRendering.cpp:213]

UE - Anim - Runtime - Jan 3, 2023

Generated from CrashReporter 1 user reported: "Crash when using "Toggle watch pose" in any node of the animation blueprint. The crash happens when you save the ABP after enabling toggle watch pose ...

Cannot connect to SVN on OSX even after setting up keychain

UE - Platform - Apple - Feb 9, 2015

From this AnswerHub: https://answers.unrealengine.com/questions/169750/bug-cannot-login-to-source-control-in-os-x-editor.html Reading through all the information that is given (really useful for a ...

Using /*/ to create multiline comments in header files can prevent Visual Studio from successfully building a project.

UE - Foundation - Core - Aug 7, 2015

If a multi-line comment is made in a header file using the format /*/ at the beginning and ending of the comment, UHT will fail to compile the project and will display the following errors: 1> C:/ ...