Rendering sequence with livelink data has issues with smooth engine offset

UE - Virtual Production - IO - LiveLink - Apr 26, 2023

[Link Removed] for reference Playing back a sequence shouldn't have buffered samples. We should have a single one, which was built from the sequence. We need to make sure when played back that it ...

Alpha Textures reimported via overwriting disappear from level

UE - Graphics Features - Nov 10, 2014

When you reimport a texture that has an alpha by Importing and then overwriting the previous texture, all versions of that texture in any material or in the level complete disappear until you compil ...

Hierarchical LOD meshes are not frustum/occlusion culled

UE - World Creation - Worldbuilding Tools - HLOD - Jun 24, 2022

Hierarchical LOD meshes are not frustum/occlusion culled ...

Use Camera Cut for Warmup does not take into account shot's camera cut track

UE - Anim - Sequencer - MRQ - Aug 31, 2022

Camera cut warmup does not take into account the shot's camera cut track when rendering from the master sequence. Rendering the shot alone will, however. ...

[AI] The ZoneGraph show flag is in the ZoneGraphEditor module but used during runtime in ZoneGraph module

UE - AI - Navigation - Mar 18, 2025

The show flag for ZoneGraph lives in the ZoneGraphEditor module, but it is used for debugging at runtime by the main ZoneGraph module. There are protections around the type of build and some for EDI ...

Paper2D Set Sprite function in Construction requires mobility to be set to Movable

UE - Gameplay - Paper2D - Jun 23, 2015

If 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, 2015

Animation 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, 2016

Adjusting play speed for animation causes notifies to trigger multiple times. Creates a stuttering effect. ...

bIsComposing assert with Japanese MS-IME input(candidate list related)

UE - Editor - UI Systems - Localization - Apr 18, 2017

When 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, 2017

Android.NewKeyboard cvar doesn't behave as documented. ...