Unreal Engine Issues

Collision Viewmodes do not affect Instanced Meshes properly

Collision View modes, such as Player Collision and Visibility Collision, do not work with Instanced Static Meshes. Regression?: No This also occurred in 4.18 ...

Material editor crash in 5.0.2

Conflict between sequencer transform track and Parent Constraint from the Animation Mode breaks temporary pivot translation on any actor

Note: This affects all versions from at least UE 5.3, including mainline latest. The "Animation" Editor Mode allows creating constraints for level actors. One of these, the "Parent" constraint, con ...

When ParallelExecutor is enabled, Japanese build output of VisualStudio garbled

From UE4.20, Japanese build output of VisualStudio garbled. Below is a comparison between 4.19 and 4.20. ・4.19.2 1>------ すべてのリビルド開始: プロジェクト:MyProject3, 構成:Development_Editor x64 ------ 1> Clea ...

Get Input Touch State produces incorrect vector position

Get Input Touch State produces incorrect vector position when using it on Android. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4395058) ...

Blender FBXs import wrong number of bones which causes issues with Apex Cloth files

First of all, I'm not sure this is an issue with UE4, but I'm not familiar with Blender to rule this out. A user has reported an issue when importing a Rigged mesh from Blender it will add an addi ...

UDestructibleComponent::ApplyDamage doesn't affect root chunk if the mesh doesn't fracture.

ApplyDamage calls through to applyDamage on the apex actor, which takes the impulse and applies it to any fractured chunks. If however not enough damage is done to the component to fracture it, no i ...

Crash when spawning destructible objects in 2 player PIE

Crash Reporter link: [Link Removed] With Source Context: [Link Removed] ...

Bloom banding when exiting top of screen, doesn't affect other sides

As a blooming object (the sun in this repro case) leaves the view via the top-edge of the screen, some noticeable banding occurs. Happens in both PIE and -game. Found on: //UE4/Main CL-2991400 //U ...

Soft Contraint's Stiffness and Damping settings don't affect anything

The settings for "Stiffness" and "Damping" in the Soft Constraint setting for Physics Constraints doesn't seem to have an effect on anything. Regression?: No This also occurred in 4.14 ...