Unreal Engine Issues

Virtual Shadow map artefacts on sphere in template project

Editing parent emitters with mesh renderer in a niagara system causes crash

After editing the parent emitters of a Niagara system with mesh renderer particles the engine will crash the next time the editor and system are opened.  This was tested with both engine content cub ...

TransformVector WorldToTangent in Material editor seems to form incorrect HLSL

Numpad + Shift does not release keystrokes

The combination of Numpad + Shift seems to have various problems. https://answers.unrealengine.com/questions/899468/what-is-the-issue-with-shift-num-key-combinations.html  Regression No, according ...

Subobject delimiter replacement in ResolveName can cause previously valid strings to exceed NAME_SIZE

ResolveName will replace the subobject delimiter (colon) with two periods. This increases the length of the string, and can cause asserts due to the string exceeding NAME_SIZE even when the name was ...

Pending Take automatically sets Sequencer to Allow All Edits

Virtual Production stage using "Allow Sequencer Edits Only" as default setting to avoid boxes in Multiuser session accidentally submitting level edits to the session and thereby corrupting the "base ...

MakeMaterialAttributes and LandscapeLayerBlend produce unexcepted results for WorldPositionOffset

For comparison, this issue doesn't seem to occur when recreating the setup with Set Material Attributes/GetMaterialAttributes. It seems isolated to the Make/Break nodes. ...

Crash on opening Control Rig asset that was created in UE5-EA

This issue was found from an external user on Twitter using UE5-Early Access - [Link Removed] The crash happens on asset load.  User says that they were following Gabriele's video - [Link Removed] ...

Material does not render correctly when launched with Cook on the fly

This issue seems to occur when using Cook on the fly on a Material that is branched on the Static switch. This issue also seems to occur on the console. Regression = Yes, issue is not reproduced // ...

Actor channel unable to go dormant if replication key is not changed

If the subobject's RepKey is not updated after setting the actor to go dormant, then the subobject won't be replicated. This causes FObjectReplicator::ReadyForDormancy to return false for the subobj ...