Unreal Engine Issues
Unreal Engine Issues
NPC - Instances does not get updates from changes to the parent Niagara Parameter Collection in the editor
UE - Niagara - Oct 4, 2024When an Niagara Parameter Collection (NPC) is selected as the parent Collection for an NPC Instance (NPCI), all of its current parameters are carried over to the NPCI with their current values as th ...
Editor is missing the Quick Feedback Message Bubble
Tools - Jul 12, 2017The quick feedback message bubble is missing from the editor. It is also missing in asset editors as well This is a regression from 4.16.2 ...
[CrashReport] UE4Editor-CoreUObject!UObject::SetLinker(FLinkerLoad *,int,bool) [UObjectLinker.cpp:107]
UE - Foundation - Core - May 13, 2019Comment from user in crash group:I updated unreal engine to 4.22.1 and changed the project version from 4.21.2 to 4.22.1 and now it crash whenever i open a map Generated from CrashReporter ...
Blueprint Editor Show Grid does not toggle the grid in the viewport
UE - Editor - Workflow Systems - Oct 28, 2020The grid in the blueprint editor is not able to be hidden via the Show Grid flag in the viewport dropdown. This has regressed sometime in //Ue4/Release-4.25 as I cannot reproduce this issue in //UE4 ...
Soft Object Reference Pins can't be reset to None
UE - Gameplay - Blueprint Editor - Dec 10, 2020Soft Object Reference pins on Blueprint nodes can't be reset to None once an object reference has been set. ...
Spelling error in Content Examples - Animation_Basic map - Station 1.1
UE - Content - Content Example - Apr 18, 2022Transform in misspelled in the first paragraph of station 1.1 on animation_basics in content examples. ...
Pasting a folder on the Outliner while LightMixer and ViewChanges windows are open/docked crashes the Editor
UE - Virtual Production - Tools - Jun 12, 2025When both LightMixer and ViewChanges windows are open, pasting a folder into the Outliner crashes the editor. For more detailed steps, refer to the Steps To Reproduce section. This happens whenever ...
Body Setup of a Static Mesh with Simple Collision will pass validation, but removing it and using only a Complex collision and setting Collision Complexity "Use Complex as Simple" will fail validation: "Bone None requires at least one collision shape".
UE - Simulation - Gameplay - Oct 20, 2025Context: By default, Unreal Engine creates both simple and complex shapes, then, based on what the user wants (complex query versus simple query), the physics solver will use the corresponding shape ...
Montage Section bars render behind black lines in timeline
UE - Anim - Runtime - Apr 17, 2017REGRESSION: No, this also occurs in 4.15. In the montage editor, the gree montage section bars render behind the black lines of the timeline, making them hard to see. ...
Mobile Temporal AA is broken
UE - Platform - Mobile - May 17, 2018Expectaton: Temporal AA should work on Mobile ...