Unreal Engine Issues

No sound plays when using Built-In Spatialization or Simple ITD plugins

No audio can be heard when using the Built-In Spatialization plugin. This is a regression from 4.26. Occurs in 4.27 and 5.0. ...

Replay playback does not start at 0

Replays start playing before the player finishes loading into the level. From the player's point of view the replay starts playing 3 seconds into the replay instead of playing at 0 seconds. The pl ...

Crash when adding Rectangle Lights to a game with multiple players while Raytracing is enabled

A user reported this issue to us through Salesforce. They initially said it crashed with both Spot Lights and Rectangle Lights, but I was only able to repro with Rectangle lights. Additionally, I di ...

Ensure condition failed : Unprocessed LatentActions accumulate by SetPlaybackPostion using Play method

If some sequencer events are added to LatentAction queue while calling SetPlaybackPostion using Play method, the events will not be digested. So the LatentActions cause that ensure condition failed ...

TransformVector WorldToTangent in Material editor seems to form incorrect HLSL

Subobject delimiter replacement in ResolveName can cause previously valid strings to exceed NAME_SIZE

ResolveName will replace the subobject delimiter (colon) with two periods. This increases the length of the string, and can cause asserts due to the string exceeding NAME_SIZE even when the name was ...

Pending Take automatically sets Sequencer to Allow All Edits

Virtual Production stage using "Allow Sequencer Edits Only" as default setting to avoid boxes in Multiuser session accidentally submitting level edits to the session and thereby corrupting the "base ...

Crash on opening Control Rig asset that was created in UE5-EA

This issue was found from an external user on Twitter using UE5-Early Access - [Link Removed] The crash happens on asset load.  User says that they were following Gabriele's video - [Link Removed] ...

Actor channel unable to go dormant if replication key is not changed

If the subobject's RepKey is not updated after setting the actor to go dormant, then the subobject won't be replicated. This causes FObjectReplicator::ReadyForDormancy to return false for the subobj ...

Crash when reimporting SkeletalMesh with custom LOD

In the case of "Reimport Base Mesh + LODs", there is no crash. ...