Unreal Engine Issues

Crash importing layered materials from 4.25 to 4.26/4.27

Crash On Launch When Using Leap Motion Character

The editor is crashing on launch when the Leap Motion plugin is enabled and a leap motion character is being used. This did not occur in 4.14.3. This is a regression. ...

Painted Vertex Color on Meshes in BPs do not save when Movie is generated from Matinee

When you render out a movie from a Matinee, the painted Vertex Colors on a Blueprint does not render, the meshes in the Blueprint revert to imported vertex color. Also Reproduced in 4.8.0 and Main ...

"Failed to find object 'Class None'" in project log after creation

Users reported seeing the line "LogUObjectGlobals:Warning: Failed to find object 'Class None.'" in the Output log after creating a project. I was able to confirm in a new blank code project without ...

Execution reroute nodes become wildcard reroute nodes when creating a second reroute node off the same execution pin

Execution reroute nodes become wildcard reroute nodes when creating a second reroute node off the same execution pin. Note: this does not appear to affect their functionality as execution reroute no ...

AI Move To Location zeros velocity each call, causing the AI Pawn to freeze if told to move again before reaching destination

AI Move To Location causes AI to lose velocity each time it is called, resulting in a freeze in movement on each call. Regression: Yes Worked: 4.12.5 (CL 3039270) Broken: 4.13.0 (CL 3106830) Funct ...

Dirt mask (bloom) is not displayed in some Mali Devices

In some mali devices (Galaxy S6, SC-05G, Android 5.0.2 / Galaxy Note 5, SM-N920C, Android 5.1.1) cannot display dirt mask in the bloom effect. This is well displayed in iPhone 5s, LG G4, Nexus 5 ...

Map load stalls in texture streaming code

A change was made to AActor.GetComponents which appends the results instead of resetting the output array. This seems to only impact 2 places in the code, and has a big side effect in the texture st ...

Yellow 'Revert to Default' arrow disappears when not on screen

When a details value is changed, the yellow 'Revert to Defaults' arrow next to the changed value will vanish if the changed setting is scrolled off screen. This also prevents the arrow from reappea ...

No Blueprint compile warning with an improperly copied component reference

When a blueprint's component reference is copied and pasted into a blueprint that does not have the copied component, the blueprint with the copied reference compiles Note: This occurs when the cop ...