Unreal Engine Issues
Unreal Engine Issues
Multiple viewports open cause wrong viewport to render in VREditor (HTC Vive)
UE - Editor - Workflow Systems - Apr 28, 2016Having multiple viewports open causes the wrong viewport to be rendered inside the headset. Positional/Rotational tracking is still updating correctly in the preview window. Closing the wrong view ...
Intermittent crash in CacheOptimizeIndexBuffer on Editor startup on Linux
UE - Platform - Linux - Nov 16, 2015Building 4.10 from the GitHub release branch on Linux fails to open after install and instead crashes User Suggested Fix: Switching triangle order optimization off with r.TriangleOrderOptimization= ...
Leading space in front of block comment above UCLASS Macro prevents compile
UE - Foundation - Core - Dec 4, 2015If 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, 2016Packaged 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, 2018User 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 ...
Curves in compressed additive animations interpolate incorrectly when two keys in a row have the same value
OLD - Anim - Oct 16, 2019Curves 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, 2019When 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, 2020Creating 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 ...
The base color of a material in unlit mode changes when specular amount is above 0.0
UE - Graphics Features - Feb 24, 2020Material's RGB base color values are changed in Unlit mode when specular is greater than 0. User repro video: [Link Removed] Tested in: 4.23.1 CL#9631420, 4.25 CL#11574810 ...
Corrupted Japanese text when packaging for Android
UE - Platform - Mobile - Apr 17, 2020Garbled text is displayed when creating Android package. It did not occur in my colleague's environment using English OS, but occurred in my environment using Japanese OS. This issue should be fixed ...