Unreal Engine Issues
Unreal Engine Issues
iOS ReplayKit isn't working in UE5.1+
UE - Platform - Apple - Apr 21, 2023In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...
Pending Abilities are always Added then Removed (thus ordering is not preserved)
UE - Gameplay - Gameplay Ability System - Apr 20, 2023We should probably keep a Queue of the Gameplay Abilities Add/Removed rather than two separate lists. That way we can get the ordering right. I suspect there are lots of ordering issues if we look ...
Lumen tile classification flicker
UE - Rendering - Graphics Features - Lumen - Apr 19, 2023While we suggest using screenpercentage at 25%, it is visible at higher percentages. Video showing the flickering:https://udn.unrealengine.com/s/contentdocument/0694z00000Qw4jPAAR ...
Assert during HLOD Mesh Build with Degenerate Triangles in a Mirrored Mesh Instance
UE - Editor - Content Pipeline - Import and Export - Apr 14, 2023Licensee reports an issue with MeshDescription indexing when reversing a degenerate triangle. ...
Cooking crash during shutdown with no useful error
UE - Simulation - Core - Apr 11, 2023Sometimes some of actors are destroyed after the destruction of the solver through the garbage collector. In this case, the app crash in FChaosScene::RemoveActorFromAccelerationStructureImp because ...
Materials are added to a Model that has been modified by Cube Grid
UE - Graphics Tools - Modeling Tools - Apr 3, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Changing materials before making a change to a model with cube grid causes that previous selected material to be added to the model ...
UnkownRef Mips can cause TextureStreaming peaks during loading
UE - Rendering - Graphics Features - Mar 27, 2023UnkownRef Mips is meant to fix/workaround the problem where some textures are used for rendering but they don't have any component references them (such as texture used by PP effects) These UnkownR ...
Decals Normal only + Material Attributes
UE - Rendering - Graphics Features - Mar 24, 2023This does not just work with BaseColor, you can affect any of the outputs by connecting something to a disconnected CreateMaterialAttributes. ...
ApplyRootMotion**** ability tasks broadcast completion events before calling EndTask
UE - Gameplay - Gameplay Ability System - Mar 22, 2023Several ability tasks used to apply root motion sources on Characters have ordering problems between on-completion style events and ::EndTask / OnDestroy. UAbilityTask_ApplyRootMotionMoveToForce is ...
HighResScreenshot crashes in windows packaged exe
UE - Rendering - Architecture - Mar 22, 2023FHighResScreenShotConfig::Init() sets the materials only in the Editor, due to a #if WITH_EDITOR block. However, the FViewport class exposes the TakeHighResScreenShot to non-editor builds as well, l ...