Cannot compile a nativized Blueprint with a function that takes an interface as an input parameter and uses it inside the function (e.g. dynamic cast to object).

Gameplay - Blueprint - May 27, 2020

Issue occurs because there is a legacy code path that forces all interface parameters to be declared as 'const' in function declarations, even if CPF_ConstParm is not set in exported C++ code. This ...

DOF use DRB algorithm on foreground

Rendering - Features Teams - May 27, 2020

Crash when attempting to generate an event in an Event Handler

Rendering - Niagara - May 27, 2020

Crash when attempting to generate an event in an Event Handler ...

Transform node which transforms a vector from mesh particle space to world space in vertex shader doesn't work on ue4.25

Rendering - Niagara - May 27, 2020

Transform node which transforms vector from mesh particle space to world space in vertex shader always returns 0. In ue4.24, it works fine. This behavior has been changed in CL#12558699. Removing f ...

PIE with single process starts multiple server windows

Tools - Sequencer - May 26, 2020

Playing in editor with single process starts multiple server windows. ...

Unable To Unsolo or Solo Sound Waves

Audio - May 26, 2020

Sound Waves are not able to be soloed in a new project or unsoloed in an existing one from a prior version. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4.25 (CL-131 ...

Crash adding input pose node to animation State

Anim - May 26, 2020

Crash occurs when the user adds an Input Pose node to a State graph in an Animation Blueprint. ...

Template function TSparseArray::PointerToIndex does not compile

Core - May 26, 2020

Error:  C:\Program Files\Epic Games\UE_4.25\Engine\Source\Runtime\Core\Public\Containers/SparseArray.h(778): error C2440: '-': cannot convert from 'const TSparseArrayElementOrFreeListLink<TAlignedBy ...