Unreal Engine Issues

Equals (==) node in blueprint is case sensitive for the Cyrillic alphabet

If two strings or names are compared in blueprint using the Equals (==) node, it is not case sensitive in English. It is case sensitive in Cyrillic however, even though it should be the same functio ...

Hot Reload: Component bCanEverTick is not updated after compile

Setting PrimaryComponentTick.bCanEverTick in a custom actor component's constructor does not does not stop the component from ticking after compile. ...

Translucent User Interface materials do not have a thumbnail preview

Translucent User Interface materials do not have a thumbnail preview. I do not see this issue with Translucent Surface materials. REGRESSION: No, this issue also occurs as far back as 4.17.2 ...

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

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 ...

Fix SourceLength to be tangent to spot light axis

Nested component subobject visualization and defaults editing is not working properly.

Currently it is only partially possible to edit nested component subobjects, but not in a way that's consistent with how top-level component subobjects are edited (both Blueprints and IWCE). This is ...

Rotated component made into root displays incorrectly in the blueprint editor

Rotated component made into root displays incorrectly in the blueprint editor. Closing and reopening the BP editor corrects the displayed root component. ...

Debug values not updated for parallel eval Animation BPs

The watched values of a level instanced ABP do not update if a.ParallelAnimEvaluation is enabled. ...

Changing a value inside a struct exposed to blueprints removes struct from blueprints and gives error upon compiling and saving blueprint

If a user creates a C++ class that contains a struct and references that struct within a blueprint, making any changes to the struct within C++ header file will prevent the user from saving the blue ...

first struct variable not shown by Intelisense

When invoking a custom struct, the first listed variable will not appear in the Intelisense window. ...