WiiM Ultra Firmware v5.2.736255 Update - Nov 21, 2025

Please review the WiiM Ultra update release notes below. If you encounter any issues, feel free to reach out to us. This firmware update is being rolled out in stages, with devices updating sequentially over the next few days.

5.2.736255 (In Progress)​

Release date:
11 / 21 / 2025
What's New:

1. Now Playing: Added Audio Spectrum visualization. Requires WiiM Home app v3.4.0+.
2. Queue: Better track order retention in shuffle and faster queue operations across NAS/USB/Samba/Local, TIDAL, Qobuz, Radio Paradise, YouTube, Deezer, and SoundCloud.
3. Multi room: Improved multicast logic for more reliable discovery/connectivity; reduced stutter when using Bluetooth input.

Bug Fixes:

1. Google Cast: Device now retains its assigned room after reboot.
2. Spotify Presets: Start on first press (no second trigger needed).
3. Playback Stability: Fixes for TuneIn Radio and certain FLAC files.
4. USB Library: Resolved missing albums when indexing large collections.
5. USB Out: Playback now auto resumes.
6. Screen/UI: Fixed overlay artifacts and occasional failures to load Now Playing or Standby screens.
7. VU Meter: Restored operation with Dolby audio in multi room playback.

 

[Antagron]

spectrum analyzer is so exciting! Can’t wait for this to hit my Ultra. What framerate does it run at? Same for VU meters? Currect VU meter is too slow to be visually appealing. If you could get it to 30fps it would be nice but 60 appears lifelike.