Renaming a function for a text block and switching tabs will cause editor to crash

Tools - Oct 28, 2014

If you place a text block into UMG and then click on bind for the text in that text block (in the details panel) it will make a function. If you rename said function and then click the designer tab ...

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 ...

Particle Effects Do Not Play in Transition Maps

UE - Graphics Features - Oct 24, 2016

Particle effects do not seem to be playing in transition maps. Found in 4.13.1. Reproduced in 4.12.5 and 4.14 Preview 1. ...

ExponentialHeightFog is not rendering through VR

UE - Platform - Mobile - Mar 14, 2016

ExponentialHeightFog does not render for Gear VR devices when both the device and project are set for Gear VR. However, the fog does appear on a project without Gear VR enabled. Occurs On: GalaxyS6 ...

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. ...

Physics Asset primitives are being created with the default Name as None instead of BoneName_PrimitiveType

UE - Editor - Content Pipeline - Import and Export - Oct 27, 2024

When creating Physics Assets, either by automatic creation upon import, creation from skeletal meshes already in the project, or when we press Generate All Bodies (bottom right of a opened Physics A ...

Linear interpolation occurs on constant tangent curve partially

UE - Anim - Runtime - Feb 17, 2025

When using UV scrolling for a flipbook-like animation in Animation Sequence, creating keys with "Constant Tangent" settings on Curve Editor does not result in an instantaneous change to the specifie ...

[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 ...