Unreal Engine Issues

Scrubbing Playback Speed under Geometry Cache in the details panel is too sensitive

Scrubbing Playback Speed is very sensitive and even a small mouse movement will cause playback speed to jump way too much. This makes it very hard to set it to smaller values and mostly a usability ...

Translucent Dbuffer Decals not Rendering in Material Editor Preview Window

Dbuffer decals with a Translucent Blend Mode are not rendering in the preview window of the Material Editor. Note I noticed the Default Blend Mode for Dbuffer Decals is set to Translucent now inste ...

Attempting to add a custom Physics Constraint Component class to a project will result in the build failing

Linux: SIGTERM handler can deadlock

Handling SIGTERM can deadlock because RequestExit() can log stuff. If we happen to be in the malloc at that time of receiving the signal this is going to deadlock the process. In general, we should ...

Framerate drops significantly when attempting to import heightmaps

Framerate drops significantly when attempting to import heightmaps. Once the heightmap is imported this error is no longer prevalent, but during the preview there is a ~80-100 FPS drop. Regression ...

Possible CurlHttp crash on Android dedicated server

A user has reported that their dedicated server experienced a curlhttp crash after updating to 4.13.1 and left running for an extended period of time. Crash not reproduced internally. ...

Pawn in first person template is facing the wrong direction when playing in viewport

In the first person template, when playing in viewport, the player starts facing in the opposite direction from where the in-level pawn is facing before PIE. So far, I can only reproduce the issue ...

Print String on Event Tick not working as expected with Cinematic Camera Actor in Blueprint

Print String does not persist when called on Event Tick within a Cinematic Camera Actor Blueprint. This could be problematic if users have a cinematic camera in their blueprints and using Event Tic ...

Compile error packaging for iOS and tvOS from Windows

Following error is displayed in the output log when trying to compile for tvOS:LogPlayLevel: UnrealBuildTool: In file included from /Users/engineqa/UE4/Builds/RDU-WD-7313/D/Build/joseph.wysosky_Main ...

Crash saving a destructible mesh after creating it from static mesh

Crash occurs when saving a destructible mesh after creating it from a static mesh. ...