Unreal Engine Issues
Unreal Engine Issues
[Device Swap] - Assertion failed: AudioStreamInfo.StreamState == EAudioOutputStreamState::Closed [File:D:\build\++UE5\Sync\Engine\Source\Runtime\AudioMixerCore\Private\AudioMixer.cpp]
UE - Audio - Jul 25, 2023Issue has been seen a couple times internally and closed as No Longer occurring. Looking at Crash Reporter, issue has been seen live a number of times. Looking at user logs, occurs after:LogAudioMi ...
FPS Perf Regression on 980
UE - Graphics Features - Mar 17, 2015At least one user has so far reported a noticeable drop in FPS from 4.6.1 to 4.7.2 in a heavy scene; using a GTX 980. I've reproduced a perf drop in a cooked 4.7 build of elemental demo compared to ...
AMD PSO creation causes hang in SceneCapture2D with Nanite + ShowOnly primitives
UE - Graphics Features - Nanite - Jan 16, 2024AMD RX 6800 XT driver appears to hang (or take a very long time) in the PSO creation of the FInstanceCullVSM_CS shader when using Nanite primitive filtering NOTES:Issue can be worked around by addi ...
[CrashReport] UE4Editor_CoreUObject!FLinkerPlaceholderObjectImpl::FindRawPlaceholderContainer() [linkerplaceholderbase.cpp:161]
UE - Gameplay - Blueprint - Sep 27, 2017This is currently among the top 10 crashes coming out of the 4.17.2 hotfix, affecting a few unique users, and this specific callstack does not appear to have occurred in 4.17.1. This may be a regres ...
Requesting Android Permissions causes an Ensure on Android Devices
UE - Platform - Mobile - Nov 14, 2022Regression: Tested in UE5/Release-5.0 at CL 20979098 and the issue occurs. Issue would load in to the project without asking for permission and cause an ensure to occur, in 5.0.3 the issue would ca ...
Syncing changes in multi-user editing tool results in crash
UE - Virtual Production - Tools - Multi-user - Dec 18, 2019When using the multi-user editing tool inside a 4.24 project, persisting changes will sometimes result in a crash. Unable to reproduce the issue. However, the user has reported occasionally re ...
Crash: Using Sequencer to attach an actor with multiple skeletal mesh components crashes the editor
UE - Anim - Sequencer - Nov 30, 2016When using an Attach track in sequencer to attach an actor that contains more than one skeletal mesh component, the UI to choose which mesh component to attach to pops up, but then the editor hangs ...
CachedMaxDrawDistance value are not updated by CullDistanceVolume in persistent Level
UE - World Creation - Worldbuilding Tools - World Composition - Dec 16, 2022in PIE, RerunConstructionScript() is executed and actor's CachedMaxDrawDistance is updated as expected. in packaged game, RerunConstructionScript() is not executed so, CullDistanceVolume is not u ...
Custom Events set to Replicate do not show the replication information on the node until the Editor is restarted
UE - Gameplay - Blueprint - Mar 3, 2015Custom Events set to Replicate do not show the replication information on the node until the Editor is restarted. For example, after setting a Custom Event to Multicast, the "Replicated From Server ...
Inherited components in Child Blueprints cannot be dragged into the Event Graph to access their variables
UE - Gameplay - Components - May 6, 2015Inherited components in Child Blueprints cannot be dragged into the Event Graph to access their variables. Searching for the Getter in the Event Graph works as expected. This seems inconsistent with ...