Unreal Engine Issues

Occasional 1-frame UMG render data corruption on Metal

Crash in FObjectReplicator::StartReplicating when removing replicated uproperty and hot reloading with two players

The editor crashes when the user removes the replicated uproperty from a variable and tries to hot reload while a PIE session with two players is still active. This issue was found while trying to ...

Creating a multi animation sequence that uses an additive animation does not play back correctly

Creating a multi animation sequence that uses an additive animation does not play back correctly. In the attached project you can Play MatineActor and MatineActorLevelSequence(Converted matinee t ...

Crash when adding a camera to shot track if a player track has been added

If the user creates a new sequencer for the level that includes the player character and a shot track the editor will crash if a new camera is set as the camera for the shot track. ...

GetMobility node tooltip refers to SetMobility() to change mobility setting at runtime

When adding a Get Mobility node to a blueprint, the tooltip mentions to use SetMobility() to change the mobility at runtime, even though the mobility setting of a component/actor cannot be changed a ...

[CrashReport] UE4Editor_D3D11RHI!VerifyD3D11Result() [d3d11util.cpp:200]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Fatal error: [Link Removed] [Line: 200] SwapChain->ResizeBuffers(1,SizeX,SizeY ...

Rotating component using "Move Component To" does not use shortest distance

Rotating component using "Move Component To" does not use shortest distance. Regression (Yes) issue (does not) occur in 4.10.4 ...

Localization Dashboard is writing the loading policy to the non-default config files

WidgetBlueprint::DrawLines has broken AA on sharp cornered lines

WidgetBlueprintLibrary::DrawLines which calls FSlateDrawElement::MakeLines has broken AA for sharp cornered lines. ...

Adding array element of instanced meshes during simulation does not increase amount of elements in array

Adding array element of instanced meshes during simulation does not increase amount of elements in array. Regression (No) issue (does) occur in 4.10.4 ...