OFPA Localizable Text Instances are not gathered when world partitioning is disabled

UE - World Creation - Worldbuilding Tools - OFPA - Mar 7, 2025

Context One File Per Actor (OFPA) reduces overlap between users by saving data for instances of Actors in external files, removing the need to save the main Level file when making changes to its Act ...

NPC - Does not get updates from Material Parameter Collection changes in the editor

UE - Niagara - Sep 30, 2024

When an MPC is selected as the Source Material Collection for an NPC, all of its current parameters are carried over to the NPC with their current values. After that, if parameters are added to, rem ...

Lightmass Build Hanging at Specific Percentages

UE - Graphics Features - Sep 4, 2015

Lighting will build indefinitely in certain circumstances and can be verified in Swarm Agent that it will continue to process the maps even though the log shows it has completed. This is happening i ...

Lightmass Build Hanging at Specific Percentages

UE - Graphics Features - Sep 11, 2015

Lighting will build indefinitely in certain circumstances and can be verified in Swarm Agent that it will continue to process the maps even though the log shows it has completed. This is happening i ...

[bug] OIT doesn't work correctly with alpha composite blend mode

UE - Graphics Features - Substrate - Mar 4, 2025

When using OIT, AlphaComposite Materials blend as if they are using the Translucent BlendMode. The order of macro #if … #elif cases cause AlphaComposite Materials to take the same route as Transluce ...

User Play Space Rot does not change anything in Client Play Camera Shake

UE - Gameplay - Jun 11, 2015

User does not change anything in Client Play Camera Shake. Reproduced in 4.8 and Main (//depot/UE4/Promotable-CL-2581498). This is a Regression: it works as expected in 4.7.6 ...

After calling Seamless Travel, actors in the level will not be in their original positions

UE - Networking - Dec 18, 2015

After calling Seamless Travel, actors in the level will not be in their original positions. The example provided by the licensee had a different result: the actors, despite having Start Awake disabl ...

'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type

UE - Gameplay - Blueprint - Mar 25, 2015

'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type. Note: If the pins are reconstructed and the resplit, the error is fixed. ...

Packaging will fail if the Nativize Blueprint Assets option is used in a project containing a third-party plugin

UE - Gameplay - Blueprint Runtime - Jul 15, 2016

If a third-party plugin is present in a project that is being packaged with the Nativize Blueprint Assets option turned on, the packaging process will fail because necessary header files in the plug ...

Actor Scale is not included when converting from Matinee to Sequencer

UE - Anim - Sequencer - Nov 16, 2016

Actor Scale is not included when converting from Matinee to Sequencer ...