Unreal Engine Issues
Unreal Engine Issues
Crash when removing Blueprint function
UE - Gameplay - Blueprint Compiler - Apr 23, 2018The Editor crashes whenever the reference to the "DeleteThisFunction" function is deleted. ...
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 - Virtual Production - 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 ...
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 - 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 ...
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 ...
Adding teleport node after AddMovementInput breaks jumping animation
UE - Gameplay - Jun 6, 2016Calling the teleport node after the Add Movement Input nodes affects movement by preventing the character's capsule from updating, causing the mesh to hit the top of the capsule during the jump anim ...
[CrashReport] D3D 'Hung' crash - FD3D11DynamicRHI::ReadSurfaceDataNoMSAARaw
UE - Graphics Features - Jan 4, 2017This is a frequent D3D Hung crash, similar to [Link Removed] and [Link Removed]. A potential fix for the other crashes was released in 4.14.2, but this crash is still occurring on that release. ...