Unreal Engine Issues
Unreal Engine Issues
Asset Registry GetDerivedClassNames does not work properly during editor startup
UE - Foundation - Core - Jun 25, 2020This bug comes from https://udn.unrealengine.com/questions/585499/view.html which describes a problem where a licensee is trying to use the AssetManager to scan a primary asset type that is generate ...
Ensure when closing PIE during Level Sequence playback with spawnables in a streamed level
UE - Anim - Sequencer - Nov 16, 2020When a spawnable is spawned in a streamed level, exiting PIE will cause an ensure, because the world is not valid on the actor. ...
Crash when cooking landscape collision in world partitioned level
UE - Graphics Tools - Terrain - Landscape - Jun 24, 2022This is caused by the loss of data in the ULScapeHeightfieldCollisionComponent::CollisionHeightData. The CollisionHeightData is not marked as BULKDATA_PayloadInSeperateFile and is processed with a k ...
Substrate- black outline appears when using sharp contrast mask to blend slabs
UE - Graphics Features - Oct 4, 2024Substrate materials have a thin border of black pixels between slabs. These lines can be made more apparent by changing the Diffuse Albedo color of the two slabs to pure white. This will remove the ...
Translucency Volume are not correctly shadowed in 5.5 without Virtual Shadow Maps and are not light correctly by some lights
UE - Graphics Features - Dec 20, 2024TranslucencyVolume spheres are not correctly shadowed nor lit in Unreal 5.5 with VSMs disabled. Unreal 5.4 does correctly shade the sphere without VSMs. There appears to be differences in the outpu ...
After compile, spawnable actor is stuck in spawned state
UE - Anim - Sequencer - Jun 3, 2016After compile, spawnable actor is stuck in spawned state ...
NavModifierComponent doesn't work well with dynamic owner actors
UE - AI - Mar 12, 2015When a raw NavModifierComponent gets added to a character it cuts a hole in the navmesh (as expected) but doesn't update the location with character's movement. And it should. ...
Differences in Post Process FX between Minimized and Maximized Viewport
UE - Graphics Features - Apr 19, 2016When scaling the viewport window using the Maximize/Minimize viewport option, the post processing effects applied to the screen do not scale properly. This issue seemed trivial at first, as the use ...
Actors not marked as Always Relevant do not replicate to Clients that have possessed a vehicle past 15,000 units of the point of possession
UE - Networking - Oct 20, 2015Actors not marked as Always Relevant do not replicate to Clients that have possessed a vehicle past 15,000 units (the sq root of Net Cull Distance Squared) of the point of possession. Note that repl ...
Auto-Key All and Auto-Key Animated don't work as expected
UE - Anim - Sequencer - Jul 12, 2016Auto-Key All and Auto-Key Animated don't work as expected. Might consider having a third option that Auto-Keys only the modified property. ...