Unreal Engine Issues

UResavePackagesCommandlet::CheckoutFile() logs warnings for skipped files

User reported. UResavePackagesCommandlet::CheckoutFile(const FString& Filename, bool bAddFile = false, bool bIgnoreAlreadyCheckedOut = false) has a parameter to ignore files that are already ch ...

Editor crash when saving a level instance in a folder with the same name as the level

RT shadows break with a 16-bit GBuffer

Ray traced shadows are missing when the gbuffer is forced to 16-bit. ...

Characters can not pass through back faces of triangle meshes

Here is a work around bool FTriangleMeshSweepVisitor::VisitSweep(const TSpatialVisitorData<int32>& VisitData, FRealSingle& CurDataLength) { ... if (CullsBackFaceSweepsCode != 0) { if ...

Rigidbody not moving when small force is applied, and only rotates when angular impulse ≥ 7

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

Imported meshes with hierarchical structures below lodGroup are not imported correctly

All meshes under lodGroup are not imported, only some of them. If all meshes are merged into one, the imported meshes will be output correctly. ...

Geometry Collection component in BP always visible

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. It's only through the Details panel that this happens; Geometry Collection visibility can ...

Physics Velocity updating for Character objects, even with Teleporting enabled

Reproduced 3/3 times. Issue does not occur in //UE4/Release-4.27, so Confirmed Regression. ...

When changing the Material of a CompleCollision during PIE, the change is not applied to the PhysicsMaterial.

If changing the material during PIE, the content of the material will be reflected immediately, but the physics material will not. Once the Mesh (Complex Collision Mesh) is cleared and reset, it wil ...

Tick Physics Async overwriting Physics Handle component

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...