Unreal Engine Issues
Unreal Engine Issues
"Found more than one function with the same name" after duplicating an interface function
UE - Gameplay - Blueprint - Mar 1, 2019REGRESSION: No, this occurs as far back as 4.20 After duplicating a blueprint interface function, the duplicate interface will have an error similar to this:LogBlueprint: Error: [Compiler NewInterf ...
UWorld::CleanupWorld causes issues with sublevels when changing maps after building lighting
Tools - Mar 1, 2019A licensee has reported that UWorld::CleanupWorld is causing issues with assets in Sublevels if you build lighting on the parent level, save all of the maps, and then change to another level. The as ...
High bandwidth usage on listen servers, even with bare minimum replication
UE - Networking - Mar 1, 2019UDN user claims that in an empty level, when using a listen server, bandwidth is higher than expected - ~5.5KB/sec for two connections, and appears to be framerate dependent. Has posted screenshots ...
Creating a new C++ Basic Code Project, based upon a deleted With Starter Content enabled
Tools - Feb 28, 2019Upon creating a new C++ Project called "MyProject" with starter content enabled, if you delete the project folder from the finder, then re-create a new C++ Project under the same name "MyProject" wi ...
CCD can produce incorrect results at low frame rates
UE - Simulation - Physics - Feb 27, 2019The attached project has a fixed frame rate of 30fps with a simulating CCD cube above a with a full restitution floor. The cube has an odd rotation, such that it impacts the floor at a single point ...
LineTraceComponent does not respect bEnablePerPolyCollision
UE - Simulation - Physics - Feb 26, 2019USkeletalMeshComponent::LineTraceComponent does not properly consider bEnablePerPolyCollision. It appears to use the component's bodies, which are empty. It should be sufficient to use UPrimitiveCom ...
Moving .uassets that were imported from a source file with Source Control active moves the source file without marking for add
Tools - Feb 26, 2019A licensee has reported an issue with Perforce source control integration. The issue is related to the source file for an asset that was imported into the editor. If this source file is also checked ...
Crash When Setting a Bool in a Niagara Parameter Collection via Blueprint
UE - Niagara - Feb 26, 2019The Editor will crash when setting a bool in a Niagara Parameter Collection via Blueprint. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5159901, 4.23 CL# 5194133 ...
ENGINE_API missing from GeomSweepMulti and GeomOverlapMulti templates
UE - Simulation - Physics - Feb 25, 2019GeomSweepMulti and GeomOverlapMulti are not being exported, as the template specializations are declared outside of the physics interface class without ENGINE_API. ...
FPS drop after highresshot console command
UE - Graphics Features - Feb 25, 2019Running the highresshot command with a multiplier of 6 or higher results in poor performance for the remainder of the Editor instance. Closing the PIE window does not improve performance, only closi ...