Movement corrections occurring while standing still on rotating platforms

UE - Gameplay - Player Movement - Oct 5, 2022

When the player is controlling a Character actor, using the CharacterMovementComponent (CMC), unexpected movement corrections will occur while standing still on a movement base that is rotating. ...

Some Niagara FX does not show up in MovieSceneCapture when AgeUpdateMode is DesiredAgeNoSeek

UE - Niagara - Cinematics - Sep 17, 2024

CL23957356 changes how to calculate FrameOffset in FNiagaraSystemUpdateDesiredAgeExecutionToken::Execute(). After this change, DesiredAge + FrameOffset could be 0.0 for some a couple of initial fram ...

Double Properties break reset to default and inherited value propagation

UE - Gameplay - LWC - Apr 13, 2022

This is an issue with how FPropertyValueImpl::ResetToDefault works: it uses GetDefaultValueAsString to reset the default value. This is problematic because the LexToString function that is eventuall ...

Demo Record does not play back the events that occurred after the ServerTravel command.

UE - Networking - Sep 16, 2021

Regression was checked on UE5-Release-EarlyAccess CL 16682836, Regression - No. ...

Blueprint enum-to-string node returning inconsistent results across platforms

UE - Gameplay - Mar 5, 2020

Converting a C++ enum to a string should be a consistent result, however when running in the editor it returns the display-name value instead of the index value. This prevents C++ UENUMs from being ...

A disabled Niagara component is respawned unexpectedly by scalability system in some edge cases

UE - Niagara - Scalability - Oct 17, 2023

Even after manually Deactivating a Niagara component, this Niagara component may be revived under certain conditions. This issue occurs when the following conditions are met before the Deactivated N ...

Visual Logger Timeline is not updated when Viewport is in fullscreen

UE - AI - Debugging - Jan 14, 2025

Context The Visual Logger is a powerful debugging tool to create and record visual representations, and allows people to review the data. Problem The problem is that it does not record things don ...

No visual updates when adjusting the curve editor in UMG for the first two points on the timeline

UE - Editor - UI Systems - Jul 6, 2015

When Switching the curve editor to cubic interpolations for example moving the blue handles will not change the curve. However, if a third point is add this function works as intended from the 2 poi ...

Compiling Blueprints breaks socketed attachments of actors attached to non-root components

UE - Framework - Blueprint - Oct 12, 2023

When blueprints are compiled, instances of those blueprints have their attachments detached and then reattached. Reattachments always occur on the RootComponent regardless of which component they we ...

Replace Selected Actors With option breaks spawnable bindings when used with spawnables in Sequencer

UE - Anim - Sequencer - Sep 12, 2023

Replace selected actors with seems to remove the spawned actor without the sequence being aware that this happened. ...