Unreal Engine Issues
Unreal Engine Issues
ChaosCacheManager is not recording the Observed GeometryCollections NotifyBreak states between level loading and will default to false if changed from Record to Play
UE - Simulation - Physics - Mar 28, 2025ChaosCacheManager (CCM) is not recording the Observed GeometryCollections (GC) NotifyBreak states between level loading and will default to false if changed from Record to Play. AChaosCacheManager ...
Project fails to package nativized const reference parameter
UE - Gameplay - Nov 17, 2017Overriding a BlueprintNativeEvent function with a const reference parameter in blueprints causes the project to fail to package if the blueprint is nativized. Note: This only occurs if the function ...
UMG Designer preview: Incorrect resolution on Samsung s8 and s9
UE - Editor - UI Systems - Jul 30, 2018"By default, the device profile for android_high (which is used by phones such as the galaxy s8 and s9) gives a scale factor of 1.0 resulting in 1280x720. When choosing a ~2:1 device such as the gal ...
Setting a Sound Wave variable by the drop down menu of a Macro results in a missing properties error for Duration
UE - Framework - Blueprint Runtime - Sep 20, 2023This is not a regression. Tested in //UE5/Release-5.2 CL26001984 When using the drop down to select a sound wave asset as an input for a Macro then getting the duration of the sound wave within the ...
SceneCapture2D Components when referenced on screen by UI widget will cause massive screen flickering in Standalone, Launched or Packaged Game
UE - Graphics Features - Feb 10, 2016When a SceneCapture2D actor is added as a Component to a Blueprint actor and the Render Target is assigned to a UI component in the level, the screen flickers at a rapid pace. The effect is slightl ...
Differences in Post Process FX between Minimized and Maximized Viewport
UE - Graphics Features - Apr 19, 2016When scaling the viewport window using the Maximize/Minimize viewport option, the post processing effects applied to the screen do not scale properly. This issue seemed trivial at first, as the use ...
LIVE: EDITOR: Extremely large trigger volumes registering overlaps multiple times upon single overlap event
UE - Simulation - Physics - Sep 9, 2014Update: 1/27/2015 User reporting multiple overlap events/end over lap events firing on smaller triggers, their specific dimensions were 400 uu x 2000 uu on a capsule Build: 4.4.2-2289767 Descript ...
Additive Animation does not work as intended when Ref Frame Index is more than zero
UE - Anim - Runtime - Dec 19, 2023In some conditions, additive animation shows different/wrong behavior on Standalone Game and packaged game, from the other PIE. Watch the attached video. [Link Removed] The key points to reproduce ...
Blueprint PaperTileMap Component not Rendering while in Mobile Preview or Launched on Device
UE - Gameplay - Paper2D - Jun 12, 2015A blueprint with a PaperTileMap component will not render when played through the 'Mobile Preview' or as a packaged project. If the Tilemap alone is dragged into the viewport it renders fine when p ...
This project crashes when one Blueprint is compiled if its child Blueprint is opened in another tab
UE - Gameplay - Blueprint - Mar 18, 2015This project crashes when one Blueprint is compiled if its child Blueprint is opened in another tab. This only occurs with one Parent/Child combination: the crash occurs when compiling Building whil ...