Complex sentence: Since then, the album has not been released nor has news from the album or the band come to light since 2010, indicating that the band has either separated or have gone through an indefinite hiatus without notification.
Split into simpler sentences: Since then, the album has not been released nor has news from the album or the band come to light since 2010. Indicating that the band has either separated or have gone through an indefinite hiatus without notification.