Unreal Engine Issues
Unreal Engine Issues
meta specifier ArrayClamp does not work with array in struct
UE - Gameplay - Blueprint - Sep 14, 2016Giving an int32 variable the specific ArrayClamp has no affect when the specified array is defined inside a USTRUCT(). Variable is able to be set to a value outside of specified struct's range. ...
Can't undo blueprint/material movement done by arrow keys
UE - Gameplay - Blueprint - Feb 8, 2017When moving nodes in materials and blueprints using the undo option doesn't undo the movements made by the arrow keys. This issue affects anything that uses nodes on an event graph. ...
Enable Sound editor preference does not disable sound during PIE
Tools - Sep 26, 2016When Enable Sound is disabled in the editor preferences, sound is still played during PIE sessions. This setting does not work as expected back to 4.9, but worked in 4.8. ...
OnUrlChanged does not fire on mobile
UE - Platform - Mobile - Sep 28, 2017When using On Url Changed event on mobile devices, the event does not appear to fire as expected. Tested on iphone 5 As a note: The function GetUrl appears to be similarly affected. ...
Error on Attempting to Save Map Containing Actor Sequence Component
UE - Anim - Sequencer - Sep 28, 2017colored text+Link to screencast of repro steps: + [Link Removed] -May take some clicking around even between windows -Will not save after this -Does not affect 4.16 ...
Blueprint Android app installers are named *UE4Game*.bat
UE - Platform - Mobile - Jun 4, 2018In 4.19 blueprint-based apps are named after the project name, but in 4.20 they are all called Install_UE4Game-armv7-es2.bat. This also affects the Uninstall_*.bat ...
Severe ghosting on animated objects when camera stops moving in sequences when using path tracer
UE - Graphics Features - Lumen - Aug 2, 2019Pixels seem to stop updating in the path tracer when a camera stops moving in sequence. Old color values from objects that have moved seem to still affect pixels they should not. ...
Custom Time Dilation has no effect on Player Camera Manager
UE - Anim - Sequencer - Jun 10, 2020It seems like setting Custom Time Dilation on the Player Camera Manager does not affect the amount of time it takes to blend between cameras with Set View Target With Blend. ...
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 upon attempting to submit a level to source control after enabling Lock Read-only Levels
Tools - May 18, 2015If a user enables the 'Lock Read-Only Levels' option in the Levels tab (Window -> Levels) of the editor and then attempts to submit a level to source control, it will cause the editor to crash. Not ...