The minor update focused on background sync and security pinning currently shows a neutral impact. While the rating delta is -1.55, the post-release sample size of two reviews prevents a definitive assessment of the performance and UX improvements.

This release includes the following updates:
• Introduced a new Background Sync approach that makes book syncing load times faster while the app is being backgrounded
• Various bug fixes: Resolved  issues that affect cross document linking, link history and app stability
• Enhanced security pinning to keep your data protected