Unreal Engine Issues
Unreal Engine Issues
StartWithTickEnabled is ignored for actor components that auto activate
UE - Gameplay - Components - Jul 13, 2017Any change to the setting for the variable bStartWithTickEnabled in a skeletal mesh component is not registered. The component will tick even when the variable is set to false. Setting bStartWithT ...
Movement corrections occurring while standing still on rotating platforms
UE - Gameplay - Player Movement - Oct 5, 2022When 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, 2024CL23957356 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, 2022This 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, 2021Regression was checked on UE5-Release-EarlyAccess CL 16682836, Regression - No. ...
Blueprint enum-to-string node returning inconsistent results across platforms
UE - Gameplay - Mar 5, 2020Converting 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, 2023Even 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 ...
No visual updates when adjusting the curve editor in UMG for the first two points on the timeline
UE - Editor - UI Systems - Jul 6, 2015When 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 ...
Editor crash when shader debugging enabled including r.shaders.optimize=0
UE - Rendering Architecture - Shaders - Jun 23, 2024The editor crashes when activating cvar options for shader compilation and debugging. ...
Mover | FStanceModifier adjustment teleport on Crouch/Uncrouch can fail when child components intersect world
UE - Gameplay - Player Movement - Mover - Feb 3, 2026Context When crouching and uncrouching with Mover’s DefaultMovementSet, the pawn capsule’s half height is changed. This behavior mimics the CharacterMovementComponent. To ensure the pawn’s feet sta ...