Unreal Engine Issues

Particle memory can be corrupted leading to a crash

New 'UncookedOnly' modules can incorrectly be included as a build dependency after nativization of a Blueprint asset

The new 'UncookedOnly' module type that was added in 4.24 is not visible to Blueprint nativization, and thus it does not know to exclude these module types from the generated Build.cs file when they ...

Copy/Pasting static meshes from the level into a blueprint doesn't work

It's likely that this bug has been around for quite a while. The user reports that the issue could possibly be in FCustomizableTextObjectFactory::ProcessBuffer, but this seems more like it could be ...

Material Instance used textures list shows sample textures used as Input Preview Textures within Material Functions

Legacy Input mappings and Gameplay Debug Mappings cannot "consume" Enhanced Input actions

Combo triggers do not fire the "Completed" event

Improper Initialization of trigger values when added at runtime with the key pressed already

See the comment on UInputTrigger::LastValue around issues being a bool type on first tick ...

ParticlePosition doesn't use Previous values

FHLSLMaterialTranslator::ParticlePosition does not return Previous information when request which can result in bad motion vector calculation. ...

CharacterMovementComponent: simulated proxy can go into falling due to linear velocity quantization when using custom gravity

The character movement component in  void UCharacterMovementComponent::SimulateMovement(float DeltaSeconds) evaluates whether to find the floor when simulating the movement of the simulated proxy ...

Transform Origin Scale on the Level Sequencce Actor's Instance Data can affect rotations

Scale is used as part of the rotation calculation for transform multiplication, and it can have an effect in the sequence transform origins. It's expected that scale is completely ignored, and shou ...