Unreal Engine Issues

Use mouse for touch enables gesture action on button which makes the button to lost focus to that the button fires onreleased event

When Use mouse for touch is enabled, the button fires onreleased event. Here is what I investigated. Use mouse for touch enables gesture action in the button that leads to LongPress gesture fires ...

Hierarchy is lost when components are copied from one blueprint to another

If a user has a list of components with a hierarchy, the hierarchy is lost in the target location if they copy the components to another blueprint. ...

World Origin Shifting Rendering Desync On Play

Message to rebuild lights does not display after static mesh position has changed

In a static lighting environment, moving static objects no longer marks the built lighting as invalid. This prevents the on-screen warning from appearing. Regression introduced in CL: 25964466 on / ...

Editable text boxes (UMG) are displying the incorrect character when packaging to HTML5

When you add a editable text box to a project via UMG and package and deploy that project for HTML5, The Text box will show invalid characters when certain keys are pressed. I have attached a photo ...

Splines handle box collision and collision from other shapes differently

Splines handle box collision and collision from other shapes differently. ...

Apex Cloth will not render correctly with cloth assigned to multiple materials

Apex cloth material assigned to multiple material elements will not render correctly in Persona or when PIE/Simulate in the editor. Any material element other than element 0 will be masked/invisible ...

Crash When server traveling from one level and then back again after calling a multiclass event (using Play as Listen Server)

A crash occurs when switching back and forth between levels when using seamless travel. This happens if a multicast was called and if it contains a member variable. ...

When multiple HLODs are set, the transition does not occur correctly

The [bIsVisible] flag is set to [1] by the following judgment.const bool bIsInDrawRange = DistanceSquared >= Bounds.MinDrawDistanceSq * HLODState.FOVDistanceScaleSq; Judging from this code, I bel ...

Custom Events with Default parameter names causes an internal compile error

Custom Events with Default parameter names causes an internal compile error User Description: I'm not sure if it's a bug,but I post it in bug reports in case it is.Here is the problem: create a c ...