Unreal Engine Issues
Unreal Engine Issues
Recent change to Material Expression code missing a case for "exp2" function in switch (cpp)
UE - Editor - Content Pipeline - Datasmith - Mar 4, 2024The function "FMaterialDerivativeAutogen::GetFunc1ReturnType(...)" does not have a case for "EFunc1::Exp2". Also found in Release-5.4, CL: 331987674 ...
ASan on iOS is broken
UE - Platform - Apple - Mar 1, 2024Address Sanitizer (asan) is currently not working on iOS. This could be a helpful feature to get working again. ...
FNotifyNodeInterface crashes when referenced Notify is invalid
UE - Runtime - Animation - Mar 1, 2024Currently FNotifyNodeInterface directly references notifies that live within the related anim sequence. This can cause intermittent crashes when notifies are removed as the UI can still reference t ...
MRQ Remote Render Audio is 30 seconds later than expected.
zComponent - Archive - Feb 29, 2024CL 17315409 Introduced a fix that relied on processing audio samples before a render. For remote renders this extra 30 seconds of audio processing seems to have made its way into the final results. ...
"Build All Levels" does not re-AddNavigationSystemToWorld
UE - Runtime - Character - Feb 28, 2024The Build All Levels editor action cleans up the world's NavDataSet (UNavigationSystemV1::NavDataSet) as pre-rebuild world cleanup by calling: SetNavigationSystem(nullptr); inside UWorld::Cleanu ...
GameFrameworkComponentManager crashes when modifying init state callbacks during state change
UE - Gameplay - Feb 28, 2024The GameFrameworkComponentManager has a system for registering callbacks to execute in response to event changes. This ends up calling UGameFrameworkComponentManager::CallFeatureStateDelegates which ...
iOS Quick Launch from the Editor no longer starts the app on device
UE - Platform - Apple - Feb 28, 2024For some reason, iOS apps no longer launch on device when using QuickLaunch within the Editor. Instead, it does install the app onto the device, but when it attempts to then launch the app, a messa ...
Foliage 'BlockAll' instanced static meshes do not affect NavMesh
UE - Runtime - Character - Feb 27, 2024When placing static mesh foliage and setting the foliage mesh's Collision Preset to Block All, the placed meshes do not consistently block parts of the nav mesh. Expected: Placed meshes (for examp ...
MMB clicking on a track in the sequencer will copy/paste your current frame to that time, but that action doesn't recognize snapping (it'll end up on a subframe)
UE - ACT Character - Anim in Engine - Feb 27, 2024[Link Removed] ...
USkeletalMeshComponent::HandleExistingParallelClothSimulation() calling WaitUntilTaskCompletes can trigger arbitrary task that modifies currently iterated UWorld::ComponentsThatNeedPreEndOfFrameSync
UE - Rendering - Architecture - Feb 23, 2024Context ActorComponents can schedule an end-of-frame update for themselves by calling UWorld::MarkActorComponentForNeededEndOfFrameUpdate. The UWorld will iterate all those actor components once pe ...