Unreal Engine Issues

Tick functions are skipped on the first frame in package build and standalone PIE

It's reported that all Tick functions are skipped on the first frame when running in packaged builds and standalone PIE. This is because both TickVisitedGFrameCounter and GFrameCounter are initializ ...

Remote player aim pitch is not precise when viewed by another player

The Lyra's Readme.md from Github is not clear on how to setup the project for usage

The Lyra's Readme.md from Github is not clear on how to setup the project for usage. Following the https://github.com/EpicGames/UnrealEngine/blob/ue5-main/Samples/Games/Lyra/README.md instructions a ...

Building Geometry Stops UTickableWorldSubsystem Ticking

Can be mitigated by reopening the Level. There is a repro project provided by the licensee on the case ticket. ...

Building Geometry Stops UTickableWorldSubsystem Ticking

Can be mitigated by reopening the Level. There is a repro project provided by the licensee on the case ticket. ...

Collision profiles are reset when blueprint is loaded

In UE 5.5 (and earlier versions), FCollisionResponse::operator== has incorrect behavior where it will detect that two collision response containers are identical if they have the same number of entr ...

Gameplay Tags with the string "None" as any of its hierarchical node identifiers behave incorrectly (because of an incomplete generated FGameplayTagContainer::ParentTags array)

Currently, using the string "None" as a hierarchical node identifier inside a Gameplay Tag (for example "A.B.C.None.D.E.F") is not disallowed by the engine, but results in some incorrect behaviors. ...

GameFeature Plugins do not chunk as expected when using PrimaryAssetLabels

There is some unexpected behaviour around GameFeature Plugins (GFPs) when packaging with chunking enabled most noticeable when using PrimaryAssetLabels (PALs). Firstly, PrimaryAssetLabels do not ap ...

Modifying FSuggestProjectileVelocityParameters::ResponseParam.CollisionResponse modifies FCollisionResponseParams::DefaultResponseParam

FSuggestProjectileVelocityParameters was introduced in 5.4 and has a FCollisionResponseParams member that's initialized as a mutable reference to FCollisionResponseParams::DefaultResponseParam. str ...

Native gameplay tags in plugins are cleared when reading config files

When references to Gameplay Tags are loaded, it checks to see if they are already registered. If they are not already registered, it will notice it is invalid and may print a warning depending on th ...