Unreal Engine Issues
Unreal Engine Issues
DebugEditor checkLockFreePointerList(TLS.NumPartial >= 0 && ((!!TLS.NumPartial) == (!!TLS.PartialBundle))) fails
UE - Foundation - Core - Feb 6, 2018Occasionally, the Engine/Editor crashes on startup with an assertion in the lock-free void pointer list. ...
Performance hitch when creating widgets with child widgets containing animations
UE - Editor - UI Systems - Feb 14, 2018When creating widgets that contain child widgets with animations, the performance appears when adding animations via child widgets. If the same amount of animations are created in a widget, the perf ...
Incorrect usage of FText in EnsureMsgf does not trigger a compilation error, leads to crash in shipping
UE - Foundation - Core - Mar 1, 2018Using incorrect formatting in FText does not cause compilation errors in EnsureMsgf as it does in other functions such as UE_LOG. This causes crashes to sneak through such as a crash on ensure when ...
Arguments out of order in call to FMemory::Memset() from UTexture2DFactoryNew::FactoryCreateNew()
Tools - Mar 22, 2018The call to FMemory::Memset() in UTexture2DFactoryNew::FactoryCreateNew() appears to reverse the expected order of the second and third arguments. Most other calls to FMemory::Memset() appear to sen ...
Crash on PIE exit after dynamically enabling and disabling tick functions through the Level Script blueprint.
UE - Gameplay - Mar 23, 2018User reports hitting an assertion due to invalid FTickTaskManager state when game is attempting to unregister a tick function that was previously disabled dynamically. Failed assertion is in FTickT ...
The float property FrameCacheLenght in FVisualLoggerBinaryFileDevice is set with a bool value instead of a float value
UE - Gameplay - Apr 10, 2018In the FVisualLoggerBinaryFileDevice constructor, the FrameCacheLenght property is set using a bool value. Since FrameCacheLenght is a float value, and the value stored in the .ini file is a float v ...
Crash when removing Blueprint function
UE - Gameplay - Blueprint Compiler - Apr 23, 2018The Editor crashes whenever the reference to the "DeleteThisFunction" function is deleted. ...
Cannot add a non-static custom thunk to a code class
UE - Foundation - Cpp Tools - UnrealHeaderTool - May 7, 2018In 4.19, it is no longer possible to create a non-static custom thunk in a class. This was possible in 4.18.3. REGRESSION: Yes. ...
GetScaledCapsuleHalfHeight does not work properly if X or Y is lower than Z scale
UE - Simulation - Physics - May 25, 2018GetScaledCapsuleHalfHeight multiplies the CapsuleHalfHeight by the lower scale value, even if it is X or Y. Seeing as Half Height should only be related to the Z scale, this does not work out proper ...
Fog Does Not Behave As Expected in Splitscreen
UE - Graphics Features - May 25, 2018This bug seems to repro very inconsistently for me, but I've seen it affect Atmospheric Fog and Exponential Height Fog, and reproduced in 4.18.3, 4.19.2, and Main CL 4093338. I've attached Config fi ...