Leading space in front of block comment above UCLASS Macro prevents compile

UE - Foundation - Core - Dec 4, 2015

If a block comment is used above the UCLASS Macro, leading spaces before the start of the comment causes UHT to fail and the solution to fail compile with a "Missing 'UCLASS' in Class declaration" e ...

Crash when loading TM-MotionControllers in a packaged build

Docs - Samples - Oct 26, 2016

Packaged QA Game crashes when opening "TM-MotionController" This issue did not occur in 4.13 This is also affecting KiteDemo. Cinematic will crash when Editor Content is not included in the packag ...

[CrashReport] - TRawMessageHandler<FTargetDeviceServicePong,FTargetDeviceProxyManager>::HandleMessage()

UE - Platform - Mobile - Jan 25, 2018

User comments:Packaging Android Crash with similar callstack fixed in 4.16: [Link Removed] I verified that the repro steps in that bug do not cause a crash in 4.18.3 Similar crash on Mac: [Link Re ...

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

UE - World Creation - Worldbuilding Tools - 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 ...

Ray Traced Translucency Option Doesn't Function in Post Process Volume

UE - Graphics Features - Lumen - Aug 16, 2019

Ray Traced Translucency Option Doesn't Work in Post Process Volume. Found in 4.23 Preview 6 CL# 7848402, and 4.24 CL# 8074192 Working as expected in 4.22 CL# 7053642 This is a regression. ...

Curves in compressed additive animations interpolate incorrectly when two keys in a row have the same value

OLD - Anim - Oct 16, 2019

Curves compressed from additive animations will not interpolate correctly if they have two keys in a row with the same value. The second key will be ignored, leading to the curve interpolating earli ...

Non-ASCII fonts don't display in UMG

Tools - Nov 6, 2019

When using a non-ASCII language in the editor text in UMG will not display correctly. Found in 4.23.1 CL#9631420 Reproduced in 4.24 CL#10053396, 4.25 Main CL#10050790 ...

Creating a new collision preset changes the collision of the capsule for third person character blueprint

UE - Simulation - Physics - Jan 7, 2020

Creating  a custom collision preset changes the collision of third person characters capsule component.  Tested in: 4.23.1 CL#9631420 4.24.1 CL#10757647 4.25 CL#10889200 ...

Content Examples: Parallax Occlusion Map Feature no longer rendering self-shadows

UE - Graphics Features - Mar 2, 2020

Parallax Occlusion Map Feature fails to render self-shadows as of the release of Unreal Engine v4.24.0 and has not been remedied since. The feature is perfectly functional in v4.23 [See attachments ...

Creating multiple Scalar Parameter nodes with a different values will crash the editor

UE - Rendering Architecture - Materials - Mar 11, 2020

This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...