Unreal Engine Issues
Unreal Engine Issues
Crash when saving a World Partition map that contains a PCG Volume
UE - World Creation - Procedural Tools - Aug 15, 2023This is a regression. Tested in //UE5/Release-5.2 CL26001984 The editor crashes with an assertion after saving a World Partition enabled level with a landscape that contains a PCG Volume. ...
GPU particles disabled on Quest
UE - Niagara - Feb 9, 2024GPU particles were disabled on Quest 1 due to a compute issue. We need to validate / fix issues for Quest 2 / Quest 3. Reported in [Link Removed] ...
[Interchange][FBX] Import model with custom collision prevents socket to be imported
UE - Editor - Content Pipeline - Import and Export - Feb 5, 2025I would like parity with legacy: 1) only one material 2) socket to be imported Box_Socket file imports same in legacy and interchange: it is just box and socket without collision. ...
Moving an Actor using the Transform controls in the Details panel with Realtime disabled leaves the Widget in its initial location
Tools - Jan 9, 2015Moving an Actor using the Transform controls in the Details panel with Realtime disabled leaves the Widget in its initial location. Clicking off the Actor and then selecting it again restores the ...
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 Component can crash if ticked with a null tick function
UE - Niagara - Mar 12, 2021Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...
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 ...