Unreal Engine Issues

Assertion occurs when undoing a Child State's unparenting from another Child State in AI State Trees, leading to a crash.

Assertion occurs when undoing a Child State's unparenting from another Child State. Repro Rate: 5/5Assertion failed: false [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Public\Widgets\Views ...

Failing to compile will cause blueprint variables to reset to their default values

If a user creates a variable and sets it to a value that is not the default and then gets an error that prevents the blueprint from compiling, this will cause the variable to be reset to it's defaul ...

Paper 2D Sprites rendering incorrect Color

The Vertex (Sprite) Color is rendering a higher value than the color picker has set. In 4.7.6 this is consistent for Materials as well, but in 4.8 and 4.9 only the Paper2D elements are rendering at ...

Changing a Mesh's Build Scale doesn't update the Mesh's Bounding

This is a regression tested in //UE4/Release-4.27 CL18319896 Changing a Mesh's Build Scale doesn't update the Mesh's Bounding to the same scale. ...

DataTable CSV export; First member of Array not exported if set to default value

When using a struct as a type for TArray and first element of the array has first member variable of the struct set to default, it is not exported to *.csv ...

Child Actors do not replicate to clients when running project with "-game" command

Child Actors do not replicated properly to clients when running a project using the "-game" commandline argument. This does functionality does work properly in PIE and in a cooked build however. Re ...

Staticmesh SectionInfo map is reset when changing LODGroup

Audio volume values get reset

Also confirmed in 4.22 Main @ CL 4413632 ...

InstancedStaticMeshComponent causes crash in editor compiled with ALLOW_DITHERED_LOD_FOR_INSTANCED_STATIC_MESHES set to zero

ALLOW_DITHERED_LOD_FOR_INSTANCED_STATIC_MESHES works without crashing in ue4.27. It appears that this code path is not maintained in ue5. ...

[CrashReport] Linux Crash in FActiveSound::GetWorld()

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SIGSEGV: invalid attempt to write ...