Unreal Engine Issues

Typo in description of SkySphere Horizon Falloff

The description for Horizon Falloff is misspelled, it says 'Horitzon' instead of 'Horizon'. Edit MattK: This is a content issue because this is a blueprint data variable. ...

Scrollbar in Details Panel Changes Size/Speed when Moved

The user describes this issue as [the Scrollbar] "resizes when it is moved. Sometimes it even starts to flicker for one frame ( showing a very long scroll bar )." "This looks and feels very weird . ...

Crash when splitting up output of collapsed node

A crash occurs when splitting the pin of a collapsed vector node that was connected via a vector connection. This issue is very similar to [Link Removed] however, the callstacks are different so I ...

Crash Occurs When Setting Child Actor Class in Child Blueprint

A crash occurs when setting the Child Actor Class of an inherited child actor component. This is not a regression. It occurs in 4.14.3 CL# 3249277, 4.15.2 CL# 3416026, and 4.16 Preview 2 CL# 34155 ...

Android iterating with Launch On in always recompiles android_native_app_glue.c and UELinkerfixups

Strange crash occurring from project When upgrading from 4.16 to 4.17

There are a string of crashes that are occurring with UMG as the cause of the crash. This occurs when the project is upgraded from 4.16 to 4.17. With the project provided making any change to the B ...

Items in the Levels window can no longer be reorganized

Some changes were made to the Levels window for 4.17 which allowed sublevels to be organized into folders. It appears a side effect of this change was that levels can no longer be manually reorganiz ...

Instanced Properties create temporary references on child objects in Blueprints

When an object whose class has the EditInlineNew specifier is added to an instanced property, any children of the blueprint will have a reference to the same object that was created for the instance ...

Android app will get crashed if it disable HDR and run with Vulkan API

The backtrace is： F/DEBUG   : backtrace: F/DEBUG   :     #00 pc 00070e22  /vendor/lib/hw/vulkan.msm8994.so (A4xCommandBuffer::HwProcessWorkload(QglWorkload*)+585) F/DEBUG   :     #01 pc 0004758d  / ...

Simulated ability tasks not being cleaned up in UActorChannel::ReplicationMap

I've noticed the issue occurring in both 4.20.3 (CL 4369336) and 4.21.0 (CL 4541578). The user on AnswerHub has also noticed the issue in 4.20.2 (CL unknown) and claims the issue did not occur in 4. ...