Unreal Engine Issues

Root motion from montages does not get mirrored correctly

A customer noticed that root motion did not mirror properly when using montages.   The issue is that the root motion mirroring code is only called from FAnimSync::TickAssetPlayerInstances .   Th ...

GPU Timeout when using a large scale Landscape and Water Body Ocean

Regression: Tested in //UE5/Release-5.0, this issue does not occur so regression is yes. The GPU Timeout only occurs in UE5/Release-5.1, as recreating this issue in previous versions of the editor ...

Redirecting a BP enum to a native type enum causes the old name to be "none"

Crash in RHICommandContext& GetContext() in Test/Shipping builds when bUseChecksInShipping is true

RHIinit() calls GRHICommandList.GetImmediateCommandList().GetContext() to make sure that GDynamicRHI->Init() initialized the immediate command list (by calling FRHICommandListImmediate::InitializeIm ...

Crash when fast moving Character objects has 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. ...

Navmesh rebuild always occurs on Startup map immediately after starting editor

Whenever launching the UE5 Editor, it rebuilds the navmesh on the first map it opens. Reopening the same map again will not cause the navmesh to be rebuilt. It seems that the first time the map is o ...

Pasting an instanced subobject property into a Blueprint prevents that Blueprint from being added to level

Copying and pasting an array of nested instanced subobjects from a level instance into a Blueprint's defaults and adding that Blueprint to the level will prevent the actor instance from saving. ...

Changed Constraints do not show up when enabling Show Only Modified Properties

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 Changed Constraints on a Static Mesh do not show up when enabling Show Only Modified Properties. ...