Unable to package with nativized functions that have a delegate-type input variable

UE - Gameplay - Blueprint - Oct 2, 2018

Attempting to package a project that has nativization enabled for a function that takes a delegate-type variable as an input results in failure. Regression?: No This occurred in 4.19 ...

RetargetSource in AnimSeqeuence doesn't affect DDC key

UE - Anim - Runtime - Aug 4, 2020

Retarget source doesn't affect DDC key, so it causes incorrect result. Changing the anim sequence DDC key generation to include it fixes this issue. ...

[Feature Request] Event triggering skipped in subsequences and shots

UE - Anim - Sequencer - Feb 11, 2021

Events in subscenes can be skipped if playback skips over the end of the subscene before evaluating the event. ECS allows for determinism fences which can fix this issue. ...

InitializeAnimScriptInstance may only need to be called if the mesh actually changes when restoring state in Sequencer

UE - Anim - Sequencer - Sep 23, 2021

The fix for FURY-149 reinitializes the anim bp whenever the animation section restores state, it may only be necessary to reinitialize it if the skeletal mesh changes. ...

Camera manager will not tick if the game is paused on begin play or possessed events

UE - Gameplay - Gameplay Cameras - Nov 4, 2021

This is an interesting bug because it is only happening on BeginPlay. I guess that there is some order of operations that the camera manager uses during creation that will stop if the game is paused ...

HighResolutionScreenshot result changed after migration to UE5

UE - Graphics Features - Aug 27, 2022

There was no problem in UE4. It can be fixed on UE5 by the following workaround.console command 'r.Editor.Viewport.MaxRenderingResolution' set 'Realtime off' on viewport  ...

Interchange: Forcing "Bind Pose Time Zero" to true doesn't always give good result

UE - Editor - Content Pipeline - Import and Export - Nov 6, 2024

When using the legacy fbx importer with time zero option to true the skinning is good. So its a regression. Would be awesome if it can be fix in 5.5.1 ...

AllowAsyncRenderThreadUpdatesEditorGameWorld/AllowAsyncRenderThreadUpdatesEditor CVars are off by default and unsafe in Niagara

UE - Niagara - Mar 4, 2025

This user made a github pull request: [Link Removed] but it was auto rejected. I think that we can consider taking their fixes, but keeping it disabled by default. ...

Access Violation crash deleting a Widget Blueprint with an unsaved Animation track - FSequencer::Tick()

UE - Anim - Sequencer - Jun 19, 2017

Encountered an Access Violation crash while deleting an Widget Blueprint with an unsaved Animation Track. The callstack references FSequencer::Tick(). I was not able to reproduce this issue in UE4/ ...