UHT fails to parse non-inlined UFUNCTION with RESTRICT keyword in parameter list

UE - Foundation - Cpp Tools - UnrealHeaderTool - Jul 2, 2019

When you have a non-inlined ufunction, UHT fails to parse the restrict keyword in its parameter list. Note: The following compiles (notice that the only change is the use of the FORCEINLINE keywo ...

UAbilitySystemComponent's CurrentMontageStop() function does not use OverrideBlendOutTime Float Parameter.

UE - Gameplay - Jul 2, 2019

In the attached example, the third person mannequin character's BeginPlay() runs an Ability_Task which starts an animation montage. In the task it is specified that the blend out time (BlendOutTime ...

Compiling Child Blueprint and editing child component's class value, results in parent component's value being changed under certain compile conditions.

UE - Gameplay - Jul 2, 2019

Compiling Child Blueprint and editing child component's class value, results in parent component's value being changed under certain compile conditions. "This is because they're now pointing to t ...

Landscape No Longer Renders when Setting Max Desired Draw Distance Above 0

UE - LD & Art - World Building - World Composition - Jul 1, 2019

Landscapes no longer renders when setting max desired draw distance above 0. Found in 4.21 CL# 4753647, 4.22 CL# 7053647, 4.23 CL# 7208101. 4.24 CL# 7210422 ...

AddToPlayerScreen not filling of player screen by widget.

UE - Editor - UI Systems - Jun 21, 2019

At screen resolutions other than 16: 9, widgets added with AddToPlayerScreen can not be completely filled. The final size calculated by GameLayerManager seems to be incomplete. ...

Draw Post Process Material to Render Target cannot use SceneTexture

UE - Rendering - Jun 20, 2019

Draw Post Process Material to Render Target cannot use SceneTexture. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 7053642, 4.23 CL# 7062535 ...

Previous Tangent Recalc` and Size by Life misbehave at low FPS

UE - Rendering - Niagara - Jun 18, 2019

At low FPS particle systems with "Previous Tangent Recalculation" enabled in the Ribbon Data result in messy mesh generation. Found in 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6925347, and 4.24 ...

Error during packaging if nativizing a blueprint that contains a TMap with a UserDefinedEnum as a key

UE - Gameplay - Blueprint - Jun 17, 2019

Certain Map container calls (e.g. Find, Add) will fail to compile at packaging time if a Blueprint class containing a Map variable with a user-defined enumeration as the key type is nativized. This ...

Non-public BlueprintCallable function calls do not compile in a nativized Blueprint.

UE - Gameplay - Blueprint - Jun 17, 2019

A nativized Blueprint cannot currently invoke a non-public BlueprintCallable function that's defined in native C++ code without resulting in a C++ compile error. Example: APlayerController::PlayDyn ...

Stationary Spot Lights in Forward Rendering Incorrectly with PerVertex NonDirectional Translucency

UE - Rendering - Jun 14, 2019

Stationary Spot Lights in Forward Rendering cause artifacts when lighting transluceny set to Volumetric PerVertex NonDirectional. When the camera is moved around the object, the lit vertices flicker ...