Unreal Engine Issues

Cascade Particles with Module Collision do not behave correctly (die) when colliding with plane in PIE

Cascade Particles with Module Collision do not behave correctly (die) when colliding with plane in map QA-Effects example 1.2. I've included a gif showing the issue [Link Removed]. The quality isn ...

bPersistentLines is not respected by DrawDebugLine

It looks like the line's lifetime is forced to the default line lifetime of one second if the provided lifetime is less than zero, which would be the case if calling the function with just enough pa ...

Need to focus in Sequencer window for arrow hotkeys to work each time when scrubbing the timeline

The Sequencer timeline can't be scrubbed with the arrow keys because the Sequencer Window loses focus after an arrow key is pressed. This is a regression from 4.21.2 (CL-4753647) where repeated arro ...

FBX imported skeletal mesh has incorrect axis directions

The axis the FBX is imported with has been inversed from prior versions. See attached screenshots. This causes issues specifically with vehicles, where the movement is happening into the forward dir ...

4.23 UpdateGrass took twice time than 4.22

UMG Crashes When Using "Create Dynamic Material Instance" With An Optional Name Twice

When using an Optional Name parameter in Create Dynamic Material Instance while using the same Optional Name twice in UMG the engine crashes. I have tested this in a actor blueprint that applies th ...

Networking Engine Tests fail for NotifyParamCorrect on Client

The following errors occur when running the networking engine tests with 2 clients and a dedicated server. LogFunctionalTest: Error: Assertion failed: 'EngineTestNetActorComponent bRepArrayAddNotif ...

Ocean does not completely fill water zone in certain circumstances

Issue reported in [Link Removed] by [Link Removed] 1. Add one component to the 8K Landscape. [Image Removed] 2. Adding Ocean will not render correctly. [Image Removed] [Image Removed] These ca ...

Anim Graph will hang if the Draw Debug Sphere and Set node are connected and compiled

anim blueprint hangs when compiled. Probably a cyclic issue when compiling. A workaround is to add a delay of any time between the set node and the Draw Debug Sphere node. Repros in the following v ...

Objects animated in Sequencer fail to trigger collisions against stationary characters with character movement components

When an object, such as a cube, is animated in sequencer and that object's path intersects a stationary character with a character movement component, the object will pass through the character with ...