Unreal Engine Issues
Unreal Engine Issues
DX12 crash by lost device while building PSO
UE - Graphics Features - Sep 22, 2020It seems to be occurred when exiting fullscreen exclusive mode during the PSO build. And it seems to happen during the loading screen as well as the PSO build. What I suspect is that when focus los ...
Replicated variables defined in Actor Component blueprints do not actually replicate
UE - Networking - May 1, 2015Replicated properties defined in an actor component blueprint are not being replicated because UActorComponent::GetLifetimeReplicatedProps isn't adding the blueprint properties to the OutLifetimePro ...
HTML5 project does not load using itch.io
UE - Platform - Mobile - Apr 25, 2016HTML5 projects are not loading properly on itch.io, this may be occurring on other HTML5 upload websites. Adding https into the myproject.html does not seem to make a difference, as Kafu has recomme ...
NavMesh generation should not care for Actors that are hidden in the Editor.
UE - AI - Navigation - Aug 5, 2025The problem is that the Cube is still loaded but "HiddenEd". It's AActor::bHiddenEdLayer property is set to true by the WorldPartition System. The Actor is dirty which makes the WP system pin it (wo ...
EQS Generators named "NewBlueprint" cause errors and crash
UE - AI - Feb 11, 2015Naming an EnvQueryGenerator_BlueprintBase derived BP "NewBlueprint" and deleting it causes new custom generators to not appear in the EQS. This can also lead to a crash when searching for the new ge ...
Montage linkable elements lose segment links when changing dependant anim sequences without loading the montage.
OLD - Anim - Apr 27, 2015If an animation has its length changed, either by changing its play rate or reimporting with a different length - elements in any unloaded montages will end up misplaced. Workaround: Load the monta ...
Engine Scalability view distance settings are not being reflected accurately in the viewport
UE - Graphics Features - Jan 30, 2017The foliage in the map appears to be unaffected by the changes in view distance. The scalability settings are changing the cvars to the right values but the change is not being reflected on screen ...
Cannot run packaged project if a code class contains a static FSimpleElementCollector variable
UE - Graphics Features - Nov 17, 2017Adding a static FSimpleElementCollector variable in a code class prevents the packaged project from running. No log is created. ...
ProjectWorldToScreen always returns True
UE - Gameplay - Blueprint - Apr 4, 2018ProjectWorldToScreen always returns true. User states: "This probably comes from that line of code : bResult = Player->PostProcessWorldToScreen(WorldPosition, ScreenPosition, bPlayerViewportRelati ...