Unreal Engine Issues

Android sessions do not appear in Session Frontend

Material ParticleRandom node doesn't have proper value returned in specific case

Crash on Mac when adding Convex Collision to a mesh converted from a brush

This is one of the top Mac crashes occurring in 4.16. Caused by adding Auto Convex Collision to a mesh converted from a brush. Does not occur on Windows. User DescriptionsI was trying to add a conv ...

[CrashReport] DerivedDataCache!TArray<unsigned char,FDefaultAllocator>::ResizeForCopy

This is an infrequent crash coming out of the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. It seems to be a different issue, but the callstack sh ...

'Autosized' SWindow with `.AutoHeight()` elements has unwanted white space

Heavily discussed and diagnosed in this thread: [Link Removed] [Link Removed] narrowed down the cause: It's the calculation inside the SWindow that is wrong, sometime. It adds SWindowDefs::Default ...

Collision outcome is different between PIE and Mobile Preview/Packaged Project.

When playing the user's project in editor vs Packaged, there has been different results for the enemies collision. When playing in PIE, you are able to fly through the enemies with no issues. When p ...

Adding OnClicked to SButton in Editor Mode plugin crashes editor when accessing the plugin

If a new editor plugin has a button added with OnClicked functionality, the editor will crash immediately when accessing the plugin. Removing the OnClicked portion of code allows the plugin to be a ...

BinaryConfig cannot be created in packaging if there is a space in the file path name.

Error log is output when including spaces when packaging binary configurations. The following log contains the string "Test Test" with spaces in the file path. ERROR: Failed to copy D:\Projects\Te ...

Geometry Collection behavior does not change when changed by BP

Reproduced 6/6 times. This seems to affect all "Set" functions for Geometry Collection Components, such as Setting Object Type from Static to Dynamic, or changing Collision Type. ...

Crash in Middle of PIE with Level sequences and MRQ running

Repro Rate: 5/5 Tested this a few times and the crash seems to come in at different intervals, some had the prestreaming almost finished, then would crash. Working on a video to show crash to add ...