Unreal Engine Issues
Unreal Engine Issues
Incorrect behavior after attaching an actor to a non-root component of another actor in the Editor
UE - Editor - Workflow Systems - Jul 3, 2024UE allows actors to be attached to other actors. More precisely, it allows the root component of an actor (child) to be attached to any component of another actor (parent). From now on, "parent" and ...
LIVE: EDITOR: SPEEDTREE: CRASH: When using SpeedTree with Fracture Tool editor crashes
UE - Graphics Features - Aug 11, 2014Crash Reporter information added for 4.7.2 - 4.7.6 Also Reproduced in Main Promotable-CL-2527312 Crashes from current engine seem to be predominately from Open World Content Assets. including Rep ...
NDisplay hangs and stops responding on cluster event send
UE - Virtual Production - nDisplay - Nov 12, 2019"The test event is set up using the default CE port, but every time an event is sent through the launcher the display receives the input and processes it, however the launcher will "hang" and stop ...
Unable to add/compile code for Automation Test
UE - Automation Test - May 22, 2017When following the documentation on setting up automation tests, the sample provided for "Simple Tests" does not successfully compile. One of two compiles errors is given based on the TFlag used A ...
Blueprint Launches onto tvOS fail during runstep: Error_DeviceOSNewerThanSDK
UE - Platform - Mobile - Apr 19, 2019When a user launches blueprint project to a tvOS device they will fail to run the project during the run step and if they manually try to launch the app from the dashboard. This issue does not repr ...
Crash when calling FillDataTableFromCSVString() while viewing the contents of the data table
When the function UDataTableFunctionLibrary::FillDataTableFromCSVString() is used from Editor Utility Blueprints or Python Scripts, and the contents of the affected Data Table are currently being vi ...
[CrashReport] FMacWindow::ApplySizeAndModeChanges | SWindow::Resize()
UE - Platform - Apple - Nov 21, 2017This is an infrequent Mac crash in the 4.18 release. The callstack is similar to [Link Removed] and originally thought to be part of the same issue, but that Jira has been fixed and many other simi ...
[CrashReport] Linux_PlatformCreateDummyGLWindow()
UE - Platform - Linux - Nov 16, 2017This is a trending Linux crash in the 4.18 release Callstack from Log[2017.11.10-14.42.41:021][ 0]LogLinux: Error: appError called: Assertion failed: [File:/media/***/OS/UnrealEngine-release/Engi ...
Sequencer causes 3DWidget on BP vectors to snap to Actor when active
UE - Anim - Sequencer - Nov 15, 2025When we have Vectors in BP with Show 3D Widget enabled, the Transform Widget would always snap back to the Actor after we move the 3D Widget in-world. [Link Removed] Removing the _DaySequenceActor ...
Unreal Insights - GPU Timers don't show on Graph
UE - Foundation - Insights - Oct 27, 2023From Customer: UE 5.3 update broke Unreal Insights adding GPU timers into graph tracks. Debugging the code and cross checking with github/p4v I guess it broke in this revision: Timer graphs no ...