Unreal Engine Issues

SwapRootBone_Actor ignores a relative rotation

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 ...

Specular lighting occurs that ignores occlusion when lighting a Subsurface material from behind

Multicast RPCs called from standalone instance are not recorded into replays

This seems to have regressed because of the fix to [Link Removed]. Because UWorld::InternalGetNetMode now only returns the DemoNetDriver's NetMode when it is recording and in its tick, the multicast ...

[Attenuation][Spatialization] - If speaker output is set to stereo, the Surround 2D Non Spatialized Radius Mode doesn't generate any audio

If Surround 2D is set as the Non Spatialized Radius Mode, there is no fallback option if the user's output is not a surround format (eg stereo). There is also nothing communicated in the Tool Tip. ...

Fix AssetManager rules overrides in case PrimaryAssetTypesToScan for PrimaryAssetLabel sets bApplyRecursively=false

SetPrimaryAssetRules sets the "is overridden" variables (e.g. bOverrideApplyRecursively) based on a comparison with the global default rules:static FPrimaryAssetRules DefaultRules; ... ExplicitRu ...

AssetRegistry and CoreRedirects: Users of GeneratedClassTag do not uniformly handle CoreRedirects

ClassPaths are stored in FBlueprintTags::GeneratedClassPath, FBlueprintTags::ParentClassPath, FBlueprintTags::NativeParentClassPath, and are read by many locations in editor code. But these location ...

Character jumping can become permanently blocked under subpar net conditions

Problem Under laggy networking conditions, if the user rapidly presses the jump button the character can at some point stop responding to jump input. Initial Thoughts It looks like there's a logi ...

Gameplay Ability Component Montage Replication incorrectly handles cyclic animation sections

In AbilitySystemComponent_Abilities.cpp, the check for the client being on a different section on line 3059 checks that the RepNextSectionID is not the current section. One would assume this is beca ...

Incorrect cast in UpdateEarlyZPassModeCVarSinkFunction when Scene is FNULLSceneInterface

We have various casts across the engine on the scene, which fail to cast when the scene is a null scene. FScene* Scene = (FScene*)(World->Scene); Scene->UpdateEarlyZPassMode(); We shoul ...

Volumetric clouds jitter when in front of geometry

Potentially related to [Link Removed], but distinct. ...