Unreal Engine Issues

If using High Quality Gaussian DoF on Mobile, the whole screen is always blurred

When High Quality Gaussian DoF on Mobile is enabled, the entire screen is always blurred.  I confirmed that it works properly in 4.24. Also, I confirmed that adding the modified CL of [Link Remove ...

If enable iostore and run BulkData.lock twice on the same frame, the second time get pointer will be nullptr

Unreal Editor crash on Datasmith import with VrayBlend Materials

It seems like VrayBlend materials are crashing the Engine when importing them with Datasmith. This is a regression from 4.24.3 (CL-11590370) where the file imported successfully. This was reported ...

If setting isActive of Camera's Spawn Track to false and binding the camera to Camera Cut Track, the player camera moves to an incorrect position after the sequencer finishes playing.

If the binding itself registered in the camera cut is incorrect, the position of the camera after the sequencer ends becomes fraudulent. ...

Linked animation graph doesn't trigger anim notifications on dedicated server.

Linked animation graph doesn't trigger anim notifications on dedicated server. There is no expected message in log: LogBlueprintUserMessages: [HitReact_AnimBP_C_0] Client 0: HitNotify IsServer: tru ...

Modifying an asset while having added a FBlacklistPaths filter hides the asset.

There seems to be an issue with BlacklistsPaths accidentally filtering out new or modified assets regardless if they are in the blacklisted path or not. ...

Crash playing in a Listen Server PIE session with an EQSTestingPawn in the world

REGRESSION Was not able to reproduce this in 4.24 Crash occurs when the user attempts to run a networking PIE session in a world containing an EQSTestingPawn actor. I was not able to reproduce thi ...

Crash compiling Widget Blueprints that contain Dynamic Entry Boxes with their Entry Widget Class set to each other

Currently the Dynamic Entry Box has no protection against recursion, leading to a stack overflow and a crash. This issue was reported and tested in 4.25 (CL-13144385). This was reproduced in 4.24.3 ...

STAT_AI_BehaviorTree_InstanceMemory is sometimes wildly inaccurate

From the UDN thread: Turns out this is caused by the way this stat was implemented for the FBehaviorTreeInstance struct: 1) You call IncMemoryStats on construct, before the struct is populated with ...

Render target size mistmatch in ShaderDrawDebug

We found a d3d debug validation assert in RDG_EVENT_NAME("ShaderDrawDebug"), with the full DLSS integration. It however also reproduces in  (4.25.1-release, dev-rendering and the plugin branch with ...