Can't connect Date Time and Time Spawn pins to math nodes

UE - Framework - Blueprint Editor - Feb 2, 2023

we can do a "cheap fix" here by adding the "IgnoreTypePromotion" metadata to the date time functions, but there are some underlying issues with the FindBestMatching func in this case causing it to f ...

Light function materials using WorldPosition do not render correctly to volumetric fog if there is more than one

UE - Graphics Features - Mar 27, 2023

There is a one-line fix for this in a shader file, see their PR on GitHub:https://github.com/EpicGames/UnrealEngine/pull/10251/files ...

Interchange Runtime .glb Import Crash When Packaged

UE - Editor - Content Pipeline - Import and Export - Jun 10, 2025

The runtime import process works fine in editor, but fatal error when trying to do so with packaged build of project. My function that calls ImportAsset():bool UMeshLoader::RequestMeshLoad(FString ...

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 ...

Start time of subtitle gets incorrectly modified at runtime

Tools - Apr 14, 2016

The time field of a subtitle is incremented incorrectly at runtime. This is caused by the wrong array being modified by the subtitle manager when queuing subtitles. A fix is provided by the licensee ...

Viewports: Marquee selection always selects skeletal meshes in ortho viewports

Tools - Apr 16, 2015

Box select always selects skeletal meshes in ortho viewports, even when not touching the actor. Switching on Strict Box Selection fixes it as a workaround. ...

Steering feels sluggish in VehicleGame

UE - Simulation - Physics - Dec 22, 2016

REGRESSION Yes, does not occur in 4.14.2. Steering in Vehicle Game feels very sluggish. Turning is slow, and the buggy loses a lot of acceleration. ...

Cannot delete Notifies from Anim Notify Manager

OLD - Anim - Jan 4, 2017

Cannot delete Notifies from Anim Notify Manager. Regression: YES Broken: 3224400 (4.14.1) Worked: 3172292 (4.13.2) ...

Crash after entering DebugCreatePlayer console command on Sierra Mac in -game

UE - Graphics Features - Jan 18, 2017

This is a regression from 4.14.3 This crash does NOT occur in PIE or Standalone Game This does not occur on an El Capitan 10.11.6 MacbookPro or on Windows. ...

No additional ticks appear on the timeline when you zoom in

OLD - Anim - Jan 26, 2017

No additional ticks appear on the timeline when you zoom in Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) ...