Ah right, it's only visible once you enable WiFi (I've only wired here). As usual, what was the last working version, but confirming behaviour of Beta 1 will indicate whether it's an upstream issue.
Texture Cache Maintenance Utility: Preload your texture cache for optimal UI performance. Remotely manage media libraries. Purge unused artwork to free up space. Find missing media. Configurable QA check to highlight metadata issues. Aid in diagnosis of library and cache related problems.