Unreal Engine Issues

Sequencer:The Spawned AnimBP variable is not changed during the second play

The Spawned AnimBP variable is not changed during the second play. When changing Spawned AnimBP variables from Sequencer Track, the first change works correct. Second time, It can not be changed co ...

Particles can not be displayed once they disappear in ParticleLOD

I have attached a project to reproduce. [Link Removed] The problem is that if there are multiple emitters It seems to reproduce when all Emitter is Disable. It works well if there is one Enable. [ ...

[CrashReport] UE4Editor_Engine!CropRawTrack() [animsequence.cpp:1798]

Comment from user in crash groupTried to delete frames in an animation ...

Codeworks fails to install under Ubuntu 18.04 and later

Codeworks is packaged with Unreal engine download from Github, but depends on Libpng12, which is deprecated. Current version of Libpng is Libpng16 ...

Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.

A crash will result if a Blueprint class that's based on a native C++ class containing two or more nested, explicitly-instanced subobjects referenced by a fixed-size object array property are serial ...

ComponentInstancingData lacks support for FMapProperty

Map and set container value overrides will be lost in a cooked build for any Blueprint component that's dynamically instanced in a cooked build if the owning Actor class enables the optimized compon ...

Niagara : incorrect rendering on D3D12 when rendering a very large number of meshes

The input argument of DrawIndirect for Niagara meshes, which is made by ComputeShader, may be invalid. This problem does not appear with -onethread command line option. ...

Source control commandlets do not consistently check provider status for read only or checkout and instead rely on read only state of files

Automotive Materials - ClearCoat Specular Artifact with Saturation ~1

[Link Removed][Link Removed] ...

[Debug Tools][Crash] - Enabling au.editor.ForceAudioNonStreaming causes editor to crash the next time the user PIEs

Encountered while going through some debug commands. Repro 3/3. Crash Reporter Link: [Link Removed]Assertion failed: ChunkIndex != 0 [File:E:\User\Engine\Source\Runtime\Engine\Private\AudioStreaming ...