Inaccurate dialog box displayed when trying to open a project that contains a plugin with missing binaries

UE - Foundation - Core - Aug 29, 2017

In 4.17, attempting to open a project that contains a plugin with a missing .dll file results in a dialog box appearing that says that the plugin is not compatible with the current Engine version, a ...

Crash when opening a level with skeletal mesh asset from the map copied to the clipboard

UE - Foundation - Core - Jul 28, 2016

Navigating to a level with a skeletal mesh asset from that level copied to the clipbard from the world outliner will cause the editor to crash. This can currently only be reproduced in the TM-Contac ...

Thare are some case in which KeepState doesn't work propely if level sequence have multiple Shot and Transform Tracks

UE - Anim - Sequencer - Feb 16, 2021

if fulfilling following conditions, KeepState setting of transform track doesn't work.level sequence have 3 or more shot have camera track and actor track have transform tracktransform track of acto ...

StreamableManager completion callback can happen after being canceled in same frame

UE - CoreTech - Feb 16, 2024

FStreamableHandle (used as part of the FStreamableManager system) has a CancelHandle function that stops it from calling any completion callbacks related to that handle (it could cancel the load req ...

Opening Materials and Material Functions with Vertex Interpolator node Results in Crash

UE - Graphics Features - May 23, 2018

Per Licensee: Hello, We are migrating our project from 4.18 to 4.19.2 and we are encountering various crashes while opening our material and material functions. I'm adding a simple test case here. ...

SetStaticMesh does not replicate

UE - Networking - Jun 2, 2015

Using OnRep_StaticMesh() in code or using the Set Static Mesh node does not replicate across server/client in game. ...

[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHISetShaderSampler() [d3d11commands.cpp:647]

UE - Graphics Features - Sep 20, 2017

This is a common crash that has occurred since 4.16 for over 50 users. Unfortunately they have not provided any description of their actions when the crash occurred. The callstack has similarities ...

Crash on Level Load with Sequencer Event

UE - Anim - Sequencer - Nov 9, 2018

Crash when changing maps with sequencers new event director. Confirmed in 4.22 MAIN at CL 4553454 ...

Data loss caused by C++ Child Actor Component when compiling Child BP

UE - Gameplay - Blueprint - Dec 22, 2016

Having Child Actor Components that are set in code can cause data loss upon compiling the blueprint. In this particular scenario, there are two custom Actor classes involved, MainActor and SubActo ...

If remove the muted side from the two child tracks in sequencer, the remaining tracks will be muted forever

UE - Anim - Sequencer - Feb 4, 2022

The cause was that the information remained in Rows Disabled of Track even though it returned to one Track by the delete operation from the state where there was a child Track of multiple rows. As ...