Unreal Engine Issues
Unreal Engine Issues
Nodes impacted by code changes do not generate warnings after HotReload
UE - Gameplay - Blueprint - Oct 20, 2016I noticed this while executing https://jira.it.epicgames.net/browse/UEQATC-1441. At step 10, there should be warnings on the nodes that were updated by the HotReload. This is a regression from 4.13 ...
Broken Lines when Calling Draw Lines Function in Standalone Game
Tools - May 9, 2016Lines are not drawn correctly when calling the Draw Lines node in blueprints when playing in Standalone mode. Regression? Yes, I ran the same test in 4.9.2 and 4.10.4, and the issue did not occur i ...
Editor crashes if an interface array variable is reset in the Detail's Pane
UE - Gameplay - Blueprint - Apr 27, 2016The editor will crash if an array of interfaces is reset using the "reset values" button (yellow arrow) in the Detail's Pane of the editor. Frequency: 4/4 Crashreporter: N/A Regression? (No), is ...
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= ...
Remove Item Node Removes All Objects in an Array
UE - Gameplay - Blueprint - Nov 9, 2015Getting an object from an array at a certain index and then using the Remove Item node causes the entire array to be wiped. Found in 4.10 Preview 4. Reproduced in 4.9.2 binary and Main CL 2752291. ...
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 ...
UMG/Slate scroll bars have a minimum size for scaling
UE - Editor - UI Systems - Mar 14, 2017A user has reported an issue about scroll bars having a minimum size in UMG and Slate code, causing them to not scale correctly when the scroll box is at a smaller size. This affects both horizontal ...
[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer
UE - Graphics Features - Aug 22, 2017This is a semi-common Linux crash coming out of 4.17.1. It is spread among a few different similar callstack affecting a handful of users. [Link Removed] [Link Removed] [Link Removed] [Link Removed ...
Shader used factories/types/pipelines should be in DDC key
UE - Graphics Features - Jan 31, 2018A licensee noticed that the ShouldCache types for FLandscapeMaterialResource changed in the 4.18.2 but this did not affect the DDC keys generated. This caused an endless compilation loop where the s ...
Welded grandchildren do not overlap properly when their grandparent is simulating physics
UE - Simulation - Physics - Jun 7, 2018Grandchildren (C in an attachment hierarchy of A < B < C) that are auto welded have issues related to overlap events when moving via physics. They tend to overlap later than they should. This does n ...