v1.58.1 v1.59.0
low risk
vercel-labs/agent-browserSep 19, 2026 → Sep 21, 20262 days between releases
What's New
Adds tempo metadata tag and fixes HLS bandwidth inheritance issues.
New Features
- Added MetadataTags.beatsPerMinute for audio tempo metadata
Bug Fixes
- Fixed audio resampling flushing output buffers too early
- Fixed HLS BANDWIDTH attribute not being inherited to tracks
- Made HLS playlist handling less strict regarding non-existing media groups
Upgrade Notes
You can now utilize the new MetadataTags.beatsPerMinute property. HLS playlist parsing is now more tolerant of missing media groups. No configuration changes are required.
The Two Releases
v1.58.1
v1.58.1
Sep 19, 2026· 1 month ago
This release resolves critical audio encoding bugs, including fixes for µ-law and A-law audio scaling, polarity, and PCM roundtrip errors.
Full release notesv1.59.0
v1.59.0
Sep 21, 2026· 1 month ago
Introduces a new metadata tag for audio tempo and improves HLS handling regarding bandwidth attributes and playlist strictness.
Full release notes