[CrashReport] Linux Crash in FActiveSound::GetWorld()

UE - Platform - Linux - Aug 11, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SIGSEGV: invalid attempt to write ...

Restore State for Make MovieSceneSequencePlaybackSettings Not Resetting Sequencer State Appropriately

UE - Anim - Sequencer - Oct 3, 2017

Restore State should have an affect on sequencer. The animation snaps back to its starting point even when this option is not set if played in PIE. If you drag in the level sequence in the editor an ...

Can't set Event replication settings when delegate output pin is connected

UE - Gameplay - Blueprint Editor - Feb 19, 2018

User Reported Bug Replication Settings no longer editable after event delegate is connected. Doesn't seem to affect functionality, only UI. (replication settings stay as set before plugging delega ...

Curl Noise Force Not Applying to Niagara Emitter

UE - Niagara - Jul 30, 2018

Curl noise force will not affect a Niagara particle regardless of strength. Current work around is to disable then re-enable "apply forces" under "solve forces and velocity" Found in 4.20 CL# 4233 ...

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 ...

Oculus controllers are hidden in Collab VR template

UE - Platform - XR - Dec 2, 2019

Oculus Rift motion controllers aren't visible and don't respond to button input from the controllers in Collab VR. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10387632, 4.25 Main CL# ...

Reflection capture doesn't work with full dynamic lighting

UE - Graphics Features - Dec 27, 2019

The Reflection Capture is not showing reflections for anything but the Sky Light when all Lighting is set to Fully Dynamic. This was reported and tested in 4.24.1 (CL-10757647). This was reproduce ...

Niagara Systems Don't Scale With Skeletal Meshes When Called From a Montage

UE - Niagara - Jan 2, 2020

When a Niagara System is called from a montage is doesn't scale with the skeletal mesh that uses the montage. Attached is an example project. Found in 4.24.1 CL#1077647 Reproduced in 4.23.1 CL# 9 ...

Engine Crashes When Trying To Reimport Skeletal Mesh For One That Has No Clothing Data

UE - Simulation - Physics - Character - Jan 17, 2020

The engine crashes when trying to reimport a skeletal mesh that has no clothing data. This seems related to https://jira.it.epicgames.net/browse/UE-86948. Found in 4.24.1 CL#10757647 Reproduced in ...

Parameters Pane shows different Variable Name then MapGet or MapSet

UE - Niagara - Mar 12, 2020

Variable names aren't displayed in MAPGET and MAPSET the same way as they are in the Parameters Pane. This is a regression from 4.24.3 (CL-11590370). This issue was reported and tested in 4.25 Prev ...