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 ...

Editing static functions in Blueprint Function Libraries with hotreload can cause saving issues with blueprints calling them

When editing a Static function from a Blueprint Function Library, any blueprints that have already had it added are unable to be saved. This can be worked around by removing the node and adding it a ...

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 ...

shadow seam occurs when lighting is built after object is rotated

There is an issue that is occurring where visible shadow seams appear after an object is rotated where it was not previously. CL tested 4.15.3 - CL 3450819 - Issue is present 4.16.2 - CL 3514769 - ...