Unreal Engine Issues
Unreal Engine Issues
Draw at desired size does not return to being false when unchecked
UE - Editor - UI Systems - Aug 4, 2017When setting "draw at desired size" for a widget component to true, the "Draw size" will no longer respond to input. ...
Crash when calling an event with an enum reference parameter with literal
UE - Platform - Linux - May 1, 2018The issue appears to be the type of the input pin on the custom event(or function - both behave the same), under normal circumstances it should allow you to pick the enum from a list on the calling ...
Image sequence resolution does not match render settings when set to Custom Render Passes output format
UE - Anim - Sequencer - Oct 10, 2018Image sequences do not match render settings when set to Custom Render Passes output format. This issue is directly related to the Custom Render Passes Image Output Format. This does not reproduce w ...
AfterMotionBlur Translucent Material With Local Exposure Enabled Causing Artifacts
UE - Rendering - Graphics Features - Feb 20, 2025When TSR is enabled, translucent materials using the AfterMotionBlur translucency pass cause visual artifacts when local exposure is active. The artifacting is believed to occur because the local ex ...
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 ...
When Adding Custom Bindings, get ensure that "Multiple persistent shared references detected for Sequencer..."
UE - Anim - Sequencer - Nov 17, 2025Ensure: Error LogOutputDevice Ensure condition failed: SequencerRefCount == 1 [Link Removed] [Line: 967] 1. Error LogOutputDevice Multiple persistent shared references detected f ...
Local Vector variables in functions do not save the Y and Z values
UE - Gameplay - Blueprint - Mar 12, 2015Local Vector variables in functions do not save the Y and Z values. Possibly connected: after entering the X value, pressing Tab does not move to the Y value. Tabbing from there works as expected. ...
Get array node will disconnect on restart if it's getting from an array variable of the same bp
UE - Gameplay - Blueprint - Jun 18, 2015Get array node will disconnect on restart if it's getting from an array variable of the same bp. User Description: I have connected GET and Target, then saved and closed the editor. Then I created ...
Random Stream variables in the GameMode are reset every PIE
UE - Gameplay - Blueprint - Jul 6, 2015Random Stream variables in the GameMode are reset every PIE. Workaround is to use Set Random Stream Seed before using the Stream value. Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promotable ...
Crash When Compiling Child Blueprint Containing a Custom Event with the Same Name as its Parent's Event
UE - Gameplay - Blueprint - Feb 10, 2016Having a child blueprint that contains a custom event with the same name as a custom even that it is calling from its parent causes the editor to crash when attempting to compile the original parent ...