Unreal Engine Issues
Unreal Engine Issues
UI transparency breaks when dragging a game window around the screen
UE - Editor - UI Systems - Nov 20, 2017When a game window launched from UE is moved around the screen, any transparent elements on the screen will turn fully opaque. The loss of transparency also causes some text to become blurry. This d ...
Frame 0 event does not get triggered when using SetPlaybackPosition
UE - Anim - Sequencer - Apr 17, 2018An event at frame 0 of a sequence does not seem to get called when using "SetPlaybackPosition 0" to reset the playback position to the start. This seems to be a regression. 4.17.2, the frame 0 even ...
No Dynamic Shadows on Translucent Materials in iOS Preview
UE - Platform - Mobile - Jul 23, 2018There are no dynamic shadows on translucent materials in the "iOS Preview" for the preview rendering level. Working as intended in 4.16 CL# 3561208, 4.17 CL# 3658906, and 4.18 CL# 3832480. Found i ...
Gameplay Debugger doesn't work in ShooterGame when "Run Dedicated Server" is checked
UE - AI - May 10, 2019The Gameplay Debugger does not function in ShooterGame when "Run Dedicated Server" is checked. This issue only affects ShooterGame and works as expected in a Blank project or if "Run Dedicated Serve ...
Sky Atmosphere Material Nodes not Correctly Represented in the Surface Cache for Nanite Enabled Static Meshes
UE - Graphics Features - Apr 1, 2025When nanite is enabled on a static mesh, lighting contributions from Sky Atmosphere material nodes are not incident on the static mesh and no longer present in the overall lighting of the scene. Th ...
Video length indicator no longer works
TM - Tools - Oct 21, 2025Reported in SF [Link Removed] In videos containing multiple parts, the cumulative time indicator that shows the full length of the video no longer works correctly and will incorrectly display a len ...
Broken references after renaming template default folders
Tools - Jan 17, 2017When a template project's default folders are renamed (such as Geometry in the First Person Template), the original folder name is still shown in the content browser. Relaunching the project will s ...
[CrashReport] UE4Editor_PackageDependencyInfo!FPackageDependencyInfo::InitializeDependencyInfo() [packagedependencyinfo.cpp:339]
UE - Foundation - Core - Mar 6, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: DepPkgInfo->bIni ...
Check box takes input when set to Self Hit Test Invisible
UE - Editor - UI Systems - Jun 9, 2017The Self Hit Test Invisible is not working as intended for the Check Box component in 4.16. The check is still taking in an input. This issue does not occur when using the "Hit Test Invisible" optio ...
Physics Handle - Angular Damping option has an incorrect tooltip
UE - Simulation - Physics - Sep 1, 2017there is a wrong tooltip for Angular Damping option in the details panel for the Physics Handle, the tooltip describes it as Angular Stiffness. This issue is not a regression Versions Tested: 4.15. ...