Adding a Material Parameter collection to a material, setting its value, then saving the material will cause a crash. This was only able to be reproduced on Mac and did not affect the Windows versio ...
OnClicked event of UMG button fires once in twice if virtual joystick is receiving input. Both Andorid and iOS devices are affected. This issue is found with 4.9 update. under 4.8 are fine. ...
When Evaluate Sub Sequences in Isolation is enabled in a shot, other shots inside the same sequences only play the transform track and do not play their animation track Does not affect 4.18.3 Relat ...
Translucent materials with "Apply fogging" disabled will be affected by volumetric fog. Found in 4.19 CL# 4033788, 4.20 Preview 5 CL# 4173640, and 4.21 ...
Specific to the Blueprint Construction Script, Local Variables cannot have their value set in the Editor, because the "Default Value" section of the Details tab will never appear. This only affects ...
Using SceneCapture in packaged VR projects causes poor performance. Also observed with SceneCaptureCube Does not occur in 4.18 ...
In a Widget Blueprint, after animating a button to transform vertically (possibly other directions) with the Curve Editor active, engine will crash upon creating a second animation. ...
After creating an editor asset of a custom DataAsset class, if changes are made to to the class and hot reloaded, the editor will crash on close if the editor asset is not saved after the hot reload ...
If an Actor with a CameraComponent is set to replicate, ending a PIE session with 2 players will result in an ensure ...
If the user right clicks a key in the animation timeline in UMG and uses "Set key time" the editor will crash. [Link Removed] ...