Unreal Engine Issues

Sequencer in packaged VR project does not appear to work when using sequence player on begin play

Sequencer in packaged VR project does not appear to work when using sequence player on begin play. The HMD no longer appears to be affected by sequencer after the project has been packaged out ...

Crash Occurs When Creating a Blueprint From a Nav Link Proxy

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

Split Pins in the AnimGraph become disconnected after Editor Restart

Split Pins in the AnimGraph of an Anim Blueprint become disconnected after Editor Restart Regression: YES. This does not occur in 4.12.5 CL:3039270 I also tested this in latest 4.13 Releases CL:3 ...

Vulkan crash on Android when suspending and resuming app

Editor crash when adding a spline component after having deleted another spline component

After adding a duplicate spline point, removing the spline component while the duplicated point is selected and creating a new spline in its place causes the editor to crash. Crash Reporter: [Link ...

Should not call UpdateCullDistanceVolumes on every Actor property change

Currently AActor::PostEditChangeProperty always sets bDoDelayedUpdateCullDistanceVolumes to true, which will call UpdateCullDistanceVolumes. Licensees report this can take several hundred ms, which ...

Crash when after playing media that requires a different conversion shader

The pixel format conversion code in MediaTextureResource is currently reusing the global bound shader state for different pixel shaders. This is not supported. There needs to be one shader state per ...

Regression: Undo Transform not reflected in Blueprint Viewport

During workflow I came across this bug when I was trying to move multiple items around in the blueprint to create a structure. The weird part is that even though it doesn't reflect the movement in t ...

Attempting to generate abstract class from blueprint crashes editor on compile

Attempting to generate abstract class from blueprint crashes editor on compile. Frequency: 4/4 ...

HTML5 - Mac - Packaged build does not run

Packaged shipping HTML5-Mac build does does not open in Safari. The user is prompted with a missing shader cache message (see screen cap). Occurs: with Development and Sipping builds. However, wit ...