Unreal Engine Issues
Unreal Engine Issues
City Sample - Parked Cars, Traffic, and Crowds do not spawn while in PIE
UE - AI - Mass - May 1, 2023Repro Rate 10/10 Issue is a Regression as it doesn't occur in 5.1 Parked Cars, Traffic, and Crowds spawn in as expected when launching the project in Game Mode or a Packaged Build Going into the ...
Set Actor Scale 3D Not Functioning as Expected
UE - Gameplay - Blueprint - Jan 12, 2016Using Set Actor Scale 3D in the Construction Script is not functioning as expected. If you set the scale to 1,1,1, you are still able to freely scale an instance of the object in the scene. However, ...
Spawning Component with Exposed on Spawn Variables Returns Incorrect Owner
UE - Gameplay - Components - Jan 12, 2016Attempting to get the owner of an Actor Component that contains an exposed variable will return the Spawner blueprint's display name instead of the Spawned Actor it is added to. Found in 4.10.2 bin ...
No option to set the Map Directory To Auto Reimport setting if the Editor Settings window is closed after adding a new Directory to Monitor
If a new Directory to Monitor is added to the Auto Reimport settings, and the Editor Settings window is closed before the Map Directory To option is set, when the Editor Settings window is re-opened ...
UIpNetDriver::ProcesRemoteFunction warnings appear for ShooterGame clients when switching weapons
UE - Networking - Nov 5, 2015The following warnings appear in the output log for ShooterGame clients when switching weapons. [2015.11.05-19.41.11:550][253]LogNet:Warning: UIpNetDriver::ProcesRemoteFunction: No owning connectio ...
Once an actor channel is closed by NetCullDistance, root motion movement synchronization stops working
UE - Networking - Jul 12, 2021Properties that uses DOREPLIFETIME_ACTIVE_OVERRIDE (ex. RepRootMotion ) will also skip replication when an actor channel is newly opened. This means that if the variables on the server side do not c ...
UPlacementSubsystem can return unintended factories from FindAssetFactoryFromAssetData
UE - Editor - Workflow Systems - Oct 13, 2023Factories registered to the PlacementSubsystem using UPlacementSubsystem::RegisterAssetFactory will always be added to the end of the AssetFactories array. Which means if there are any existing reg ...
Overriding a struct member field's default value on a BP-added component in a BP asset will no longer allow the user to edit that struct member on instances of that BP's component if the member is deprecated.
UE - Framework - Blueprint - Oct 19, 2023Properties that are deprecated are (incorrectly) not currently being propagated to instances by the duplication logic that we use to instance BP-added components as part of Actor-based BP constructi ...
When copying category properties, all the EditConst flags are not checked. This overrides variables that should not be written.
UE - Editor - Workflow Systems - Mar 12, 2024If you create two actors that have the same structure of variables in a category, and you try to copy the category variables of one actor into the other, variables that have ReadOnly/EditConst speci ...
Water is missing or appears in wrong places due to incorrectly rendered WaterInfoTexture.
UE - Graphics Features - Jun 16, 2025Water is missing, appears in strange blocks, or appears in wrong places due to incorrectly rendered WaterInfoTexture. The WaterInfoTexture is part of the WaterZone actor. ...