Unreal Engine Issues

Launching from the editor can cause certain maps to become dirty and require saving and/or checkout

Using the launch option in the editor will cause some maps in the "List of maps to include in a packaged build" to become dirty and require checkout when in a project that is connected to source con ...

Decals spawn differently than 4.10.4 with their rotation based on hit normal

Decals are not spawning correctly when spawning based on a rotation value from the hit normal. There is a difference in how this is handled from 4.10.4 to 4.11 and even 4.12. See attached image fo ...

Hierarchical Instance Static Mesh's array does not reorder itself correctly

When an instance is removed from a Hierarchical Instanced Static Mesh's array, if there are indices that are further along in the array that fill that index, the last index in the array is used to d ...

When change sequence struct parameter, the editor crash.

when change sequence struct param, the editor is carash. It occurs in the case of using "Sound Wave", but the same problem occurs when "Sound Cue" is used. Attach application log, and crash dump fil ...

Delay node after a Destroy node breaks blueprint string

When a delay node is placed after a Destroy node in a blueprint string, nothing after the delay node will trigger. Removing the delay will trigger following nodes. ...

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

Splines handle box collision and collision from other shapes differently

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

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. ...