Unreal Engine Issues
Unreal Engine Issues
Geometry Collection behavior does not change when changed by BP
UE - Simulation - Physics - Destruction - May 2, 2022Reproduced 6/6 times. This seems to affect all "Set" functions for Geometry Collection Components, such as Setting Object Type from Static to Dynamic, or changing Collision Type. ...
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 - FBX - 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 ...
Foliage Culling is Broken on Linux
UE - Platform - Linux - Apr 25, 2018When viewing foliage on Linux it culls in and out as the camera comes closer to it. Also changing the way it is rendered to become grey and transparent (and changing back to normal, perhaps dependin ...
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 ...