Unreal Engine Issues
Unreal Engine Issues
Blueprints from UE4 with dangling delegate reroute node crashes on UE5 load
UE - Gameplay - Blueprint Compiler - Dec 22, 2023If a project from UE 4.27 or earlier has a blueprint with a reroute node dangling (no outgoing connection) from a Custom Event Node's delegate pin (red), this blueprint will crash when loaded in UE ...
Blueprint editor can crash on removing one of a Sequence node's exec pins
UE - Gameplay - Blueprint Editor - Dec 22, 2023User reported that upon removing a pin from a Sequence node the editor crashed. This only happened once, so may be a multithreading race condition or there may be additional unknown factors. The cra ...
FLiveCodingModule::StartLiveCoding() unsafe access of FModuleManager::Get().OnModulesChanged()
UE - Foundation - Cpp Tools - Live Coding - Dec 19, 2023A user has reported a failing ensure in FMRSWRecursiveAccessDetector::AcquireWriteAccess(), a race condition that has a small chance of happening when launching the editor. FLiveCodingModule::Start ...
Light Mixer crashes on transform context menu
UE - Editor - UI Systems - Dec 19, 2023Originates from UDN [Link Removed] ...
ResavePackagesCommandlet needs to handle resaving ExternalActors for -FixupRedirectors
UE - World Creation - Worldbuilding Tools - Dec 19, 2023ResavePackagesCommandlet -fixupredirects fails to fixup pointers from external actors that are pointing to objectredirectors. It fails to fixup those pointers because we specifically skip loading of ...
Animation attributes - user defined structs containing types defined in plugins cannot be registered
UE - Anim - Runtime - Dec 18, 2023This issue is caused by us forcing user defined structs to be loaded as part of AttributeTypes::Initialize. That is called after at the ObjectSystemReady run phase during engine initialization howe ...
GAS: FGameplayAbilitySpecHandle lacks invokable serialize function
UE - Gameplay - Gameplay Ability System - Dec 15, 2023FGameplayAbilitySpecHandle is a struct that can be replicated by-design to identify a granted GameplayAbility in server-client communication. This works fine with default struct replication using FR ...
FColorSpaceTransform Crash on Linux due to misalignment
UE - Virtual Production - Rendering - Color - Dec 15, 2023FLinearColor FColorSpaceTransform::Apply(const FLinearColor& Color) crashes while attempting to VectorLoadAligned() when running the UnrealEditor on Ubuntu 22.04. ...
Nanite custom depth rendering is missing support for r.CustomDepthTemporalAAJitter=0
UE - Graphics Features - Nanite - Dec 14, 2023Nanite custom depth rendering doesn't "de-jitter" the view parameters for custom depth rendering when r.CustomDepthTemporalAAJitter is set to 0. This was discovered by a licensee and reported via U ...