Unreal Engine Issues
Unreal Engine Issues
RoutePointerUpEvent in SlateApplication doesn't check if a drag is occurring for touch events
UE - Editor - UI Systems - Slate - Aug 15, 2016When SlateApplication is routing a pointer up event, it should check bIsDragDropping and call the widget's OnDrop function. Currently, we check for touch events and call OnTouchEnded without checkin ...
Struct with a single unaltered element will remove the element from the struct on compile
UE - Gameplay - Blueprint - Oct 7, 2015If used inside a UMG Blueprint, a struct that has only one element will remove the element from the struct after compiling the blueprint. If the element is edited or a second element is added then ...
Delay nodes occasionally don't fire the "Completed" output in a nativized build.
UE - Gameplay - Blueprint - Jun 13, 2018This happens when the 32-bit LatentUUID signed integer that we generate for the delay node starts with "-1" when converted to an FString (e.g. "-1824950080"). During compilation, we pack latent fun ...
Renaming the function for a bound event will cause the event to stop working
UE - Editor - UI Systems - Jun 26, 2015A user found that when renaming a binding for a mouse down event for a border widget that the event would no longer fire off. They only worked as long as the default name was used. ...
Text to Speech does not work in Play in Editor
UE - Audio - Aug 18, 2022This is not a regression as the TTS plugin isn't available in 4.27.2. Text to Speech does not work in Play in Editor, but does work in Stand Alone. A warning is thrown:LogSlateStyle: Warning: Unab ...
[CrashReport] Assertion failed: !bRequireNormalization - UE4Editor_Landscape!ULandscapeComponent::ReplaceLayer()
UE - LD & Modeling - Terrain - Landscape - Jul 19, 2017This is a common crash affecting users in 4.16, and has occurred since at least 4.14. Over 200 unique users have been affected, though they have provided little information. User DescriptionsI am a ...
"Set Input Mode Game and UI" Allows the cursor to still interact with buttons when not showing
UE - Editor - UI Systems - Feb 11, 2015If the node "Set Input Mode Game and UI" is used and the player clicks off of the widget that is focused the mouse disappears (expected), however if the player moves the cursor (now invisible) over ...
Assertion occurs when undoing a Child State's unparenting from another Child State in AI State Trees, leading to a crash.
UE - AI - StateTree - Apr 15, 2022Assertion occurs when undoing a Child State's unparenting from another Child State. Repro Rate: 5/5Assertion failed: false [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Public\Widgets\Views ...
SceneCapture2D Render Targets do not retain Alpha when in Rendering Preview for Vulkan and ES3.1
UE - Platform - Mobile - Dec 12, 2022Regression: This issue does not occur in Release-5.0, so this is a regression The widget completely obscures the screen only when switching Preview Rendering modes without looking at the create Blu ...
[CrashReport] UE4Editor_Slate!<lambda_c42855a8df853c2fca6077897314e16e>::operator() [slateapplication.cpp:1558]
UE - Editor - UI Systems - Slate - Nov 21, 2017This is a common crash that has occurred since at least 4.17. Based on the user comment below, this may be a VR issue (unconfirmed) User Descriptionsit seems to me UKismetMaterialLibrary::SetVector ...