v0.21.2

vercel-labs/agent-browserv0.21.2Mar 19, 2026by github-actions[bot]

AI Summary

Patch release fixes rendering issues, drag interactions, and browser launch failures.

Key Highlights

Fixed duplicate text content appearing in page snapshots.
Corrected native mouse drag state tracking across down, move, and up events.
Resolved Chrome headless launch failures caused by the '--enable-unsafe-swiftshader' flag.

Full Release Notes

### Patch Changes

-   757626f: ### Bug Fixes

    -   **Deduplicate text content in snapshots** - Fixed an issue where duplicate text content appeared in page snapshots (#909)
    -   **Native mouse drag state** - Fixed incorrect raw native mouse drag state not being properly tracked across `down`, `move`, and `up` events (#872)
    -   **Chrome headless launch failures** - Fixed browser launch failures caused by the `--enable-unsafe-swiftshader` flag in Chrome headless mode (#915)
    -   **Origin-scoped `--headers` persistence** - Restored correct persistence of origin-scoped headers set via `--headers` across navigation commands (#894)
    -   **Relative URLs in WebSocket domain filter** - Fixed handling of relative URLs in the WebSocket domain filter script (#624)