Unreal Engine Issues
Unreal Engine Issues
AnimToTexture vertex animation stutters on looping frame
UE - Anim - Gameplay - Aug 8, 2025The AnimToTexture plugin generates an animated texture that results in a stutter when the animation loops. This looks to be related to the code in UAnimToTextureBPLibrary::AnimationToTexture which ...
Paper2D Set Sprite function in Construction requires mobility to be set to Movable
UE - Gameplay - Paper2D - Jun 23, 2015If you set up a default Sprite in an Actor BP and in the construction script set the sprite to an Editable Sprite Variable, in order for the new sprite to show up mobility of Sprite and BP must be M ...
Outside of AnimBP's, Animation Sequences with negative Rate Scales do not animate
OLD - Anim - Mar 20, 2015Animation Sequences with negative Rate Scales do not play outside of using them in Animation Blueprints...unless they are looping. UPDATE: A negative rate scale value also breaks Anim Montages. ht ...
Adjusting play speed for animation causes notifies to trigger multiple times
UE - Anim - Sequencer - May 31, 2016Adjusting play speed for animation causes notifies to trigger multiple times. Creates a stuttering effect. ...
Upgrading a project from a binary Engine to one built from source code does not keep the solution configuration and solution platform settings in Visual Studio.
UE - Foundation - Core - Feb 26, 2015Upgrading a code project created in a binary Engine version to an Engine built from source code results in the solution configuration and solution platform in Visual Studio being set to Debug and Wi ...
Blurry RVTs after camera jump
UE - Graphics Features - Aug 7, 2025When using Runtime Virtual Textures (RVT) on landscape in UE 5.5+, nearby tiles may remain blurry (low-resolution mips) after launching PIE or making large camera jumps (e.g. via bookmarks or viewpo ...
bIsComposing assert with Japanese MS-IME input(candidate list related)
UE - Editor - UI Systems - Localization - Apr 18, 2017When using MS-IME as Japanese input method, scrolling out the text field out side the view causes bIsComposing to be set false - this state causes instability of the editor. Crash happened with Win ...
Android.NewKeyboard CVar doesn't work
UE - Platform - Mobile - Jun 1, 2017Android.NewKeyboard cvar doesn't behave as documented. ...
Changing a Niagara System Component's Override Parameter in a parent BP does not change the value in the child BP
UE - Niagara - Jan 30, 2020Changing a Niagara System Component's Override Parameter in a parent BP does not change the value in the child BP ...
The fill option for the horizontal alignment becomes inconsistent when changing scale of a user created widget that contains a text block wrapped in a size box
UE - Editor - UI Systems - Jun 23, 2015The smaller the scale box is the more to the right a text block from the user created widget will get. In this example the User created a text block that was inside of a size box. They they added th ...