Screen Space Reflections not showing in Panoramic Capture

UE - Graphics Features - Sep 10, 2020

Reflections not showing in Panoramic Capture images. Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), and 4.23.1(CL 9631420).  ...

Camera tangent inversion on FBX Import when "Force Front XAxis" is enabled

zComponent - Archive - Mar 19, 2026

When importing camera animation FBX files into Sequencer, enabling the "Force Front XAxis" option causes the key tangents for Rotation-Pitch (Y) to be inverted. This results in broken animation curv ...

Static/stationary child actor components are invisible and/or move position when placed inside a dynamically loaded level

UE - Framework - Components - Oct 31, 2024

When loading a non-world partitioned level into a persistent world partitioned level, parent actors with child actor components within the loaded map will move position or become invisible. Within t ...

Level cannot save when compile setting is changed on blueprint present in level

UE - Gameplay - Blueprint - Aug 21, 2017

When using a project that has a blueprint in a level when the project is created, there is an issue that is occurring when you modify the compile settings and attempt to save the level There is an e ...

'Get Tangent at Distance Along Spline' returns incorrect values compared to 'Get Location and Tangent at Spline Point'

Tools - Jul 18, 2018

The "Get Tangent at Distance Along Spline" node returns incorrect tangent values compared to "Get Location and Tangent at Spline Point", where the spline point is at the same distance along the path ...

Ambiguous Search Warning After Recompiling Blueprint of an Object Involved in a Level Sequence

UE - Anim - Sequencer - Apr 18, 2017

The licensee is receiving an ambiguous search warning after recompiling the blueprint of an object involved in a level sequence that is contained in a hidden sublevel (which is then loaded and made ...

iOS/tvOS fails to build from source editor built with Xcode 9.3, macro expansion producing 'defined' has undefined behavior

UE - Platform - Mobile - Apr 2, 2018

Trying to launch on or package for TVOS or iOS from a source build of Mac or Windows will fail with errors:[2018.04.02-16.35.08:522][634]LogPlayLevel: In file included from /Volumes/Storage/GitHub ...

Importing animation onto a camera in Sequencer adds extra keys to the scale and rotation attributes

UE - Anim - Sequencer - Oct 22, 2019

When importing non-baked animation (i.e. not keyed on every frame) onto a camera in sequencer, Unreal adds extra keys to the rotation and scale attributes as if it is baking the rotation and scale a ...

Skybox not rendering in packaged project with Vertex Fogging enabled

UE - Platform - XR - Feb 10, 2020

Vertex Fogging setting causes skybox material on large skybox mesh to not be rendered. Confirmation for 4.25 blocked by [Link Removed] ...

User is able to merge a single actor

UE - Gameplay - Aug 5, 2016

User is able to merge a single actor using the Merge Actor tool. This is a regression as you could not merge a single actor in 4.12. Not sure if this was an intended change or not. Occurring in 4. ...