Unreal Engine Issues

Niagara - When Interpolated Spawning is disabled, the first frame of each particle unexpectedly does not take into account the Particle Update stage

Foreword: Even if the behavior described here is by design, it is rarely (if ever) expected or desired. This was discussed and agreed to be treated as a bug. Explanation below. When interpolated sp ...

FoliageInstancedStaticMeshComponent Include Actor in HLOD state in InstancedFoliageActor is not set by change in FoliageType asset

After Seamless Server Travel, the Client cannot move the character or see the Server character

After Seamless Server Travel, the Client cannot move the character or see the Server character. On the Server, the Client character appears to be falling in place. Tested in both first and third per ...

Crash when quick binding a function in a class that extends LevelSequenceDirector

The purpose was to create a Level Sequence Director inheritance class so that the same event could be reused in multiple sequencers. Attempting to quick-bind this base Level Sequence Director event ...

AbilitySystemComponent::NotifyAbilityEnded Can Crash due to Callbacks Invalidation Specs

Pasting from the UDN: Unsafe code in AbilitySystem can lead to crash when granting an ability inside OnAbilityEnded Hello. We just ran into a crash. After investigation, it seems to be caused by ...

Sprite collision is inaccurate

Sprite collisions do not accurately reflect the collision for the sprite. While the collisions are always the same between two of these, the collisions do not correspond to the shape of the collisio ...

meta specifier ArrayClamp does not work with array in struct

Giving an int32 variable the specific ArrayClamp has no affect when the specified array is defined inside a USTRUCT(). Variable is able to be set to a value outside of specified struct's range. ...

CapsuleComponent Shape sometimes reverts to previous value after entering a new value

If you manually type in the value for Capsule Half Height, it will sometimes revert back to it's previous value upon hitting Enter. The CapsuleComponent's shape in the Blueprint's Viewport adjust to ...

Building Nanite on a Landscape with Visibility Mask multiple times gives an Assert

Repro Rate 15/25 Regression set to Yes as this was not found on //UE5/Release-5.2 CL 26001984 Binary Building Nanite with a Landscape that has a material including Landscape Visibility Mask still ...

Blueprint Cannot Give Niagara CPU Access To Skeletal Meshes Added From Blueprint

When a user tries to add a skeletal mesh component to a blueprint with a niagara system to use the skeletal mesh with that niagara system, the niagara system will stop rendering because it does not ...