Blueprints from UE4 with dangling delegate reroute node crashes on UE5 load

UE - Gameplay - Blueprint Compiler - Dec 22, 2023

If 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, 2023

User 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 ...

GetMonitorSizeFromEDID may fail to acquire the native resolution for ultrawide monitors

UE - Foundation - Dec 20, 2023

For some ultrawide monitors, UE may not correctly fetch the native resolution. GetMonitorSizeFromEDID attempts to retrieve native resolution from the Detailed Timing Descriptor of the EDID, but thes ...

When Adding the nDisplay plugin it defaults to disabled in Projects -> Plugins -> nDisplay

UE - Content - Plugin - Dec 20, 2023

If you add/enable nDisplay as a plugin it should default to ON in the Project Plugins Settings, while Cluster Replication should remain off by default. ...

Investigate copying over PhysMaterialOverride for BodyInstances in Packed Level Actors

UE - World Creation - Worldbuilding Tools - Level Instances - Dec 19, 2023

FLiveCodingModule::StartLiveCoding() unsafe access of FModuleManager::Get().OnModulesChanged()

UE - Foundation - Cpp Tools - Live Coding - Dec 19, 2023

A 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, 2023

Originates from UDN [Link Removed] ...

ResavePackagesCommandlet needs to handle resaving ExternalActors for -FixupRedirectors

UE - World Creation - Worldbuilding Tools - Dec 19, 2023

ResavePackagesCommandlet -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 ...

SwapRootBone_Actor ignores a relative rotation

UE - Anim - Sequencer - Dec 19, 2023

When we use SwapRootBone_Actor, we expect to move in the X-axis direction, which is the forward direction of the Actor. However, it does not take into account the RelativeRotation of the Skeltalmesh ...

Additive Animation does not work as intended when Ref Frame Index is more than zero

UE - Anim - Runtime - Dec 19, 2023

In some conditions, additive animation shows different/wrong behavior on Standalone Game and packaged game, from the other PIE. Watch the attached video. [Link Removed] The key points to reproduce ...