Unreal Engine Issues
Unreal Engine Issues
Niagara and Groom causes exception crash on Launch when using
UE - Simulation - Physics - Mar 2, 2020Trying 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, 2021Skeletal 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, 2020Changing the name of a channel inside of the channel mask parameter node results in a crash. ...
Geometry Collections built with "Use Root Proxies" rendering/transform positions ignore the original root node rotation and can lead to unexpected behaviors
UE - Runtime - Deformable - Nov 17, 2025Geometry Collections (GC) built with "Use Root Proxies" rendering/transform positions ignore the original root node rotation and can lead to unexpected behaviors. If the root node of the GC was rot ...
Point Cloud support for AR plugin crash
UE - Platform - XR - Nov 21, 2019Enabling 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, 2016Launch 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, 2021Landscapes 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, 2021Unsaved animations can cause the editor to crash if they are in a sequence, if the sequence evaluates them after an edit. ...
Copy-pasting an actor property that is a set of strings adds extra quotes and escapes
UE - Editor - Aug 24, 2025Copy-pasting an actor property that is a set of strings adds extra quotes and escapes. The licensee has reported: The problem doesn't happen for example for properties of types set of integers, nor ...
UnrealMatch3 ensures when launching on iOS
Docs - Samples - Aug 21, 2016While 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 ...