Niagara and Groom causes exception crash on Launch when using

UE - Simulation - Physics - Mar 2, 2020

Trying a Launch after every step shows that the problem occurs as soon as the GroomAssetSystem is added to Niagara. If the GroomAssetSystem is removed, the game launches fine (but the hair doesn't m ...

Take Recorder crashes if actor with animation despawns during recording

UE - Anim - Sequencer - Mar 8, 2021

Skeletal animations are finalized at the end of recording, and expect the actor to still be around, but actors can despawn during recording leading to a crash. ...

Changing the channel name inside of the channel mask parameter node results in crash

UE - Rendering Architecture - Materials - Mar 4, 2020

Changing the name of a channel inside of the channel mask parameter node results in a crash. ...

Point Cloud support for AR plugin crash

UE - Platform - XR - Nov 21, 2019

Enabling Point Cloud support for AR plugin causes engine crash. Also crashes with LIDAR plugin enabled. Confirmed in MAIN 4.25 @ CL 10333042 ...

Launch crashes on Android if device has Wifi disconnected

UE - Platform - Mobile - Mar 10, 2016

Launch On crashes on a Android devices if networking is disabled. This used to work and should not crash. ...

Landscape can be added as a source in take recorder

UE - Anim - Sequencer - Jan 25, 2021

Landscapes should not be able to be animated in sequences, and should not appear as options for sources in take recorder.  ...

Editor crash when modifying Skeletal Animation Section of an unsaved additive animation

UE - Anim - Sequencer - Jan 27, 2021

Unsaved animations can cause the editor to crash if they are in a sequence, if the sequence evaluates them after an edit.  ...

UnrealMatch3 ensures when launching on iOS

Docs - Samples - Aug 21, 2016

While running regression pass, found that UnrealMatch3 hits an ensure when user selects to Launch on to iOS device. LogOutputDevice:Error: The ini file '../../../UnrealMatch3/Saved/Config/IOS/Device ...

World Memory Leak crash creating new level blueprint after editing sub level blueprint

UE - Gameplay - Jan 27, 2020

Crash occurs when the user adds a sublevel to the current level, edits the sublevel's level blueprint, and then attempts to make a new level. The state which triggers the crash seems to be when the ...

Crash on inputting Scalar Value in Grass Material Node

UE - LD & Modeling - Terrain - Landscape - May 6, 2015

Crash occurs when inputting a Scalar Parameter into the New to 4,8 Grass Node. Also reproduced in Main Promotable-CL-2535351 ...