Crash opening Child/Grandchild Blueprint after updating to 4.18

UE - Gameplay - Blueprint - Nov 29, 2017

From this UDN: https://answers.unrealengine.com/questions/718928/4180-editor-crash-while-opening-child-blueprint.html Crash occurs when opening child (or in the repro case, grandchild) blueprints a ...

Editor crashes after executing the command r.DisplayInternals 1 or r.DisplayInternals = 1

UE - Graphics Features - Nov 2, 2022

This is not a regression. Tested in //UE5/Release-5.0 CL22346211 Editor crashes with an assertion after executing the command r.DisplayInternals 1 or r.DisplayInternals = 1 ...

When 1 AnimSequence asset is used for multiple SeuqnecePlayer, the override by AnimGraphOverrides affects other than the specified SequencePlayer.

UE - Anim - Runtime - Anim Blueprints - Jun 30, 2022

If you use the same AnimSequence in multiple SequencePlayers in Base AnimBP and replace asset of one of SequencePlayers by AssetOverride in Child AnimBP, the result will be reflected in the other Se ...

Raytraced Shadows render incorrectly in a project that has been converted from 5.0.3 to 5.1.1 to 5.2

UE - Graphics Features - Ray Tracing - May 16, 2023

Version to VersionResultsNew 5.0.3 project to 5.1.1Works as ExpectedNew 5.1.1 project to 5.2Works as ExpectedNew 5.0.3 project to 5.1.1 to 5.2Bug OccursNew 5.0.3 project to 5.2 Bug Occurs The scene ...

Custom Nav Area Not Affecting Nav Mesh Until Restart

UE - AI - May 2, 2016

When using a Nav Modifier volume with a custom Nav Area class, the Nav Mesh is not being affected until the editor is restarted. Found in 4.11.2 binary. Reproduced in 4.12 Preview 1 binary and Main ...

Initial Modules are clamped to a 0 to 1 time range

UE - Graphics Features - Sep 18, 2015

The Initial Modules appear to be clamped to a zero to 1 time frame since 4.8 was released. Projects that are converted from 4.7.6 will have correctly working particle systems, but adding a new part ...

Launcher Crashes after updating from 4.5.1 to 4.6.1

Tools - Mar 9, 2015

Launcher Crashes after updating from 4.5.1 to 4.6.1. When opening Launcher user receives the following error message: MachineId:5594134C496ADEDBDA8928BF9C26FCA5 EpicAccountId:7d0bd770cd564683863553 ...

Foliage disappears after 1.5k if occlusion culling project setting is disabled

UE - World Creation - Worldbuilding Tools - Foliage - Aug 30, 2017

When unchecking the Occlusion culling option in the project settings, if you place over 1.5k foliage meshes in the world, they stop rendering, the meshes are still present in the level and can be se ...

UAnimSequenceBase::GetNumberOfFrames off by 1

OLD - Anim - Sep 10, 2019

Creating a montage from a default frame rate and rate scale sequence reports 1 less frame than the sequence. The difference is a result of UAnimSequence overriding UAnimSequenceBase::GetNumberOfFram ...

Enabling Shader compilation via XGE for 4.18 Editor downloaded from Launcher doesn't work, prevents shaders from compiling at all, editor from loading in some cases

UE - Foundation - Build - Rocket (Installed Engine) - Nov 9, 2017

If you enable Shader compilation via XGE by setting r.XGEShaderCompile = 1 in ConsoleVariables.ini in 4.18 Editor downloaded from Launcher, it prevents shaders from compiling at all, and as a result ...