Unreal Engine Issues

Using Blend Physics Weight causes skeletal mesh to spin at high speed

When Phyics Blend in the PHAT editor is set between 0 and 1, the user character will spin wildly. User has image of this affecting character in game whereas I was only able to replicate it in the PH ...

Curves from Animation Samples in Aim Offsets are ignored

Curves from Animation Samples in Aim Offsets are ignored In the attached project, all of the AimOffset Poses have a value assigned to the TestCurve. If you open the AimOffset and then open the Ani ...

[Audio Analysis][Ensure] - Sound Submix Spectral Analyzer Delegate Throws Ensure when Analysis Started Before the Delegate is Added

Hit the following Ensure when trying to use the Spectrum Analyser. Also hit this in 4.26 so it doesn't appear to be a regression. Occurs with any of the following Band Settings or when creating you ...

GAS: Ability that destroys owning actor on activate causes crashes due to ABILITYLIST_SCOPE_LOCK

A GameplayAbility that destroys its owning actor inside ActivateAbility() causes a crash, because actor destruction will modify the ability list but ActivateAbility() is called within an ABILITYLIST ...

Disabling Render in Main Pass on a Nanite mesh causes a crash

When disabling Render in Main Pass on a Static mesh with nanite enabled a crash occurs This issue is occurring in //UE5/Release-5.0-EarlyAccess Binary CL 16433597 ...

Inserting before a FSlateImageRun twice will cause crash

(New) Capsule does not change in viewport to reflect new values entered in details Panel

Adding values in the details panel to a new Capsule Collision Component will not affect the Capsule in the CharacterBlueprint Viewport. *This only effects a new Capsule Collision added to a charact ...

[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState()

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: SEGV_MAPERR at 0x3 Most recent us ...

Material Layers "swap" location instead of shift downwards.

Licensee request for this as it is affecting productivity. Likely requires a method of allowing a user to choose which behaviour they prefer. For reference, the behaviour changed in CL 11684461 to f ...

Reliable multicast RPCs can be dropped

As detailed in the linked UDN thread, if a server doesn't receive a network packet from a client in 1.5 seconds, it sets the client connection's ViewTarget to null. This will cause dropped reliable ...