Fortnite Ecosystem v39.00 with Known Issues

New tools that make creating mobile-first experiences easier are now available in UEFN! Mobile Preview enables developers to test projects in mobile mode with adjustable settings, while updates to the Input Trigger device bring customizable touch controls and virtual joystick inputs for better mobile gameplay.

A Pacific Break wave of Fortnite Battle Royale Chapter Seven content has also arrived in UEFN and Creative, featuring more than 30 galleries from six new POIs, plus new weapons and items like the Wingsuit.

Read the full v39.00 release notes here: https://dev.epicgames.com/documentation/fortnite/39-00-fortnite-ecosystem-updates-and-release-notes

We’re investigating an issue where developers are unintentionally prompted to purchase V-Bucks while testing in a private island code. This is a UI issue, and no V-Bucks will be taken from the account. In the meantime, you will need to test in-island transactions with an Epic Account with a V-Bucks balance. The V-Bucks will not be removed.

We are working on a fix and will let you know when we have more information.

Scene Events is still in Experimental

Due to an unexpected issue, Scene Events is still considered Experimental, even though the experimental tag in the API is removed. If you attempt to launch a Live Edit session with the API in use, the session will fail and you will receive a compile error. This includes any projects that worked previously to the 39.00 release using this API. A fix for this issue is targeted for an upcoming release.

Workaround: For projects that have advanced implementations with Scene Events, particularly with Custom Items, we recommend waiting for the fix to be implemented. Otherwise, you may want to remove the code from your project.

To properly remove Scene Events from your project, you need to remove references to the following:

  • scene_event

  • scene_event_participant

  • base_entity.SendUp

Additionally, any islands with Custom Items code that is overriding the SendUp function will also be unable to launch a session. You will need to remove this function in order to playtest.

We’re aware of an issue where auto-localization is only completed for the chosen main language on the first run. Running auto-localization again will translate all languages successfully. As a temporary workaround, please follow these steps:

  1. In UEFN, run auto localization again by clicking the project dropdown and choosing ‘Upload to Private Version’.
  2. Make sure the ‘Build Localization’ checkbox is checked, and then press the ‘Upload’ button.

This successive localization job should complete auto localization for the remaining languages missed in the first run.

We’re aware that footstep audio is not playing properly on UEFN islands. We are investigating and will let you know when we have more information or a fix.