Unreal Engine Issues
Unreal Engine Issues
Trace collision audio occlusion is not working on iOS/tvOS
UE - Audio - May 9, 2017The Left side of the test map works in 4.16 and Main so marking this as a regression. Tested on iPhone6S+_4982 OS: 10.2.1 and tvOS 10.2 ...
Canceling the Color Picker while modifying Curve Editor colors Moves Transforms Curves
If the user presses 'Cancel' when modifying colors using the Color Picker within the Curve Editor, the curves points are all transformed. Issue is reproducible in the below engine versions: 4.8.3 - ...
Yosemite users do not receive an "Unsupported version of OSX" message when opening 4.15 from the Epic Games Launcher
Portal - Jan 19, 2017When trying to launch the Unreal Engine on OS X Yosemite form the Epic Games Launcher, the editor will not give a warning saying that the current version of OS X is not compatible. We were able t ...
SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors
UE - Graphics Features - Apr 16, 2019SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5908927 ...
Physics Constraint Component loss of accuracy
UE - Simulation - Physics - Mar 6, 2025Physics Constraint Component has lost accuracy between Unreal versions 5.2 and 5.4 (and up). When measuring the exact distance between rigid bodies constrained by a Physics Constraint Component, the ...
Polish characters are not recognized when importing a csv data table
Tools - May 20, 2016Polish characters are not recognized when importing a csv data table. The same characters are recognized if copied/pasted into data table names after import. Regression (no) issue (does) occur in ...
Extreme hitching when using profile command (stat startfile) + other stat commands
UE - Foundation - Core - Apr 19, 2018Running the "stat startfile" command in a 4.19 project causes constant editor hitching. Running the same command in a 4.18 project does not produce any hitching by comparison. ...
Blendspace Animation Lag for Morph Targets
OLD - Anim - Sep 11, 2015Blendspace animations of morph targets play at a slightly but noticably different rate between the 4.8 and 4.9 version of the UE4. ...
Gamepad continues to control editor menus during Mobile PIE session
Tools - Dec 4, 2017When using a Gamepad, there is an issue where input from the controller continues to control editor menus during Mobile PIE session. This issue does not a appear to be a regression. Versions Tested ...