Unreal Engine Issues
Unreal Engine Issues
SButton does not release mouse capture if it becomes disabled before MouseUp event occurs
UE - Editor - UI Systems - Slate - Mar 8, 2016It appears that if a slate widget becomes disabled, the MouseUp events won't fire. As a side effect, a mouse capture will not be released if something causes the button to become disabled before the ...
Slovakian keyboard inputs missing in editor input menus
Tools - Aug 19, 2016A number of input keys from Slovakian keyboards do not appear in the input mapping context menus when pressed. Some examples are: ľ,š,č,ť,ž,ý,á,í,é ...
Hidden enumerator variables can cause the enumerator to become broken with the Select node in blueprints
UE - Gameplay - Blueprint - May 26, 2015If a user makes an enumerator in C++ and sets one of the variables to Hidden and doesn't make it the last variable of the enum, it will cause issues with the numbering of the enum when using the Sel ...
SVN SASL binaries may be causing crashes for some users
Tools - Feb 21, 2017Some users are reporting crashes when attempting to connect to SVN after upgrading to 4.15. The only relevant change to SVN was the update of the 1.9 binaries to support SASL, so it's possible that ...
Using a Sequencer event track to set playback position to a time before the event will cause an infinite loop
UE - Anim - Sequencer - Nov 10, 2017Creating a Sequence with an event track that calls SetPlaybackPosition to a time prior to the event key will cause a crash 100% of the time. This will occur even if the event is set up to only fire ...
Unconverted BP function library does not assign output parameters after function call in a nativized build.
UE - Gameplay - Blueprint - May 31, 2018Stub functions generated for unconverted assets as dependencies of nativized assets do not properly handle output parameters (the result is not assigned after the ProcessEvent() call). Suggested fi ...
bDisableExposure Exposure bias on Mobile
UE - Platform - Mobile - Oct 12, 2018There is this new variable. bDisableExposure which is set true when Feature level isn't SM5. Exposure bias should be supported on other platforms too. PR: https://github.com/EpicGames/UnrealEngine/ ...
[AI] Editor crash when moving BT nodes if the BB has a BlackboardKeyType_Object with a null BaseClass
UE - AI - BehaviorTree - Feb 28, 2023The editor crashes if a BT is changed while its Blackboard has an Object type key with its BaseClass set to None (null). There is no warning or log alerting the user that setting the BaseClass to No ...
Material Parameter Collection does not correctly render in Widget BP
UE - Editor - UI Systems - Feb 23, 2015If a Material Parameter Collection with a Scalar Parameter is used within a material and that material is called within a widget the scalar parameter will render with a 0 value, even when set to ano ...
Skel/Vert/Surf Module is spawning sprites at emitter origin
UE - Graphics Features - Nov 7, 2014Even after assigning associated bones and mesh to the module, the emitter is spawning a number of sprites at the emitter origin. See Picture Attached This may be related to an earlier reported iss ...