Unreal Engine Issues
Unreal Engine Issues
Cannot select child anim BPs for use in linked anim layers
UE - Anim - Runtime - Jul 15, 2021From UDN: [Link Removed] Unable to set a Child ABP with inherited interface to a Linked Animation Layer Instance Class. I have a ABP_Biped which is our main ABP. I have the locomotion (idle+straf ...
Const Blueprint Implementable Events don't update if const is removed from the native declaration
UE - Gameplay - Blueprint Editor - Oct 19, 2021Constness is not updated in overridden BlueprintImplementableEvents when the native declaration is made non-const. ...
When use Sequence Camera Shake Pattern, Level Sequence occurs error
UE - Anim - Sequencer - Mar 28, 2022When I apply the Sequence Camera Shake Pattern to a Sequencer's camera, I get an error when playing it. ...
Root Motion Not Retained when Retargeting Animation Assets from UE4 to UE5
UE - Anim - Rigging - Retargeting - Apr 12, 2022Occurs 5/5 Times RootMotion of an animation asset is not retained when retargeting Root Motion Animation asset from UE4 to UE5. ...
Low acceleration changes causes the object's velocity to nearly zero out.
UE - Simulation - Physics - Apr 20, 2022Low acceleration changes causes the object's velocity to nearly zero out. The range this seems to occur at for the Acceleration change is between the values of zero and approximately thirty. Repro ...
Assertion fails when a struct is opened with a BP class reference stored and with that struct as a variable in the BP class that's referenced.
UE - Gameplay - Blueprint - May 10, 2022Assertion fails when a struct is opened with a class reference stored and with the struct as a variable in the class that's referenced. A restart is required in order to see this occur. Repro Rate: ...
Crash when changing details of an animation in an Animation Composite
UE - Anim - Jun 7, 2022This is a regression tested in //UE4/Release-4.27 CL#18319896 Fatal error is thrown and the Editor crashes when changing details of an animation in an Animation Composite. ...
bIgnoreAllPressedKeysUntilRelease only applies to keys in the previous mapping
UE - Gameplay - Input - Jun 16, 2022This is because the RebuildControlMappings function only checks this flag when you have a mapping that was already added, we should apply this for any new mappings as well. I'll update the repro s ...
Pink lighting artifacting on Mac
UE - Graphics Features - Lumen - Mar 23, 2023There are pink lighting spots around the level when opening ContentExamples on Mac. Lighting starts out more intense but fades as the level loads in. Also occurs in new FirstPersonBlueprint templat ...
Single sided complex collision mesh collision blocks character movement from backside
UE - Simulation - Physics - Query - Nov 17, 2023Commenting out the branch in FTriangleMeshSweepVisitor::VisitSweep is a work-around.if (CullsBackFaceSweepsCode != 0) { if (VectorMaskBits(IsBackFace)) { // Don't cull the back face ...