Unreal Engine Issues
Unreal Engine Issues
If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible
UE - CAPT - Tools - Jul 31, 2025If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible. The behavior only shows after d ...
Scroll widget into view will cause a crash is given a null value
UE - Editor - UI Systems - Sep 25, 2015If the user uses "Get child at" with an invalid index and then hooks up the return value to a "Scroll Widget into View" node's "Widget to Find" pin it will cause a crash ...
Niagara - When a Static Switch is used inside a Niagara Function Script with "expose as pin" disabled, its Selector variable is exposed as an input on function call nodes. However, this input incorrectly loses its "static" type.
UE - Rendering - Architecture - Niagara - Apr 7, 2025Consider a Niagara Function Script containing a Static Switch node with the "Expose as Pin" option disabled for its selector variable. When the function is called by another Niagara Function or Niag ...
Using an integer that is higher than the total members in an enum to select an enum will cause a crash
UE - Gameplay - Blueprint - Sep 21, 2015If the user uses an integer to select a member of an enum, the enumeration will crash if the integer is higher than the number of members in the enum. ...
Using NewObject inside PostInitProperties causes the editor to crash
UE - Gameplay - Blueprint - Oct 23, 2015Using NewObject inside PostInitProperties and creating a BP of the class will cause the editor to crash on PIE if the BP is is set in gamemode defaults ...
Compiler Results Panel Displays No Information Upon Successful Compile
UE - Gameplay - Blueprint - Jul 8, 2016Compiling a blueprint successfully displays no information in the Compiler Results window. However, if there are any errors, these will show up. This does not occur in 4.11.2 or 4.12.5. This is a ...
Setting a sublevel to initially load interrupts starting movies
Tools - Jul 20, 2016Movies set to "Wait for Movies to Complete" are interrupted when a sublevel is set to load initially. The movie should still play through to completion. Regression (no) issue (does) occur in 4.11. ...
Struct Ref pin in Set members in Struct node can be split
UE - Gameplay - Blueprint - Aug 2, 2016Attempting to restore the structure pins of a set members in structure node duplicate the structure input or member variables of the structure. Regression (no) issue (does) occur in 4.11.2 ...
Docking tabs is inconsistent in Mac editor
UE - Platform - Apple - Oct 17, 2016Its very difficult to dock tabs next to each other in mac editor and also the white zones flicker when a tab is dragged around the screen. This is a regression from 4.13.2 at CL 3157003 ...
Setting Slate Font Info default value in struct crashes editor
UE - Gameplay - Blueprint - May 19, 2016Setting Slate Font Info default value in struct crashes editor Frequency: 3/3 Crashreporter N/A Regression (no) issue (does) occur in 4.11.2 ...