Plasmate v0.5.0

Plasmate v0.5.0: DOM Bridge, Direct Compilation, ARIA States

New features

• plasmate compile: Compile HTML to SOM directly from files or stdin. No browser, no network requests. Perfect for publisher build pipelines and CMS integration.
• html_id field: SOM elements now preserve the original HTML id attribute, enabling agents to resolve back to the live DOM for interaction via selectors or JavaScript.
• ARIA state preservation: Captures aria-expanded, aria-selected, aria-checked, aria-disabled, aria-current, aria-pressed, and aria-hidden on all elements.
• <details>/<summary> extraction: Disclosure widgets are now a first-class interactive element with toggle action, open state, and summary text.
• Improved table extraction: 12 columns (was 8), 30 rows (was 20), colspan handling, and table caption extraction. Better Wikipedia and data-heavy site support.
• GDPR/cookie banner stripping: Consent overlays are automatically detected and removed from SOM output.
• ICU/Intl support: Full ICU data loaded before V8 initialization, fixing Intl.NumberFormat and related APIs for JavaScript-heavy SPAs.
• Raised script limits: 3MB per script, 10MB total. Handles large SPA bundles (Khan Academy, etc).

Benchmark and tooling

• WebTaskBench: Open benchmark of 100 agent tasks across 50 real websites. Includes evaluation harness, analysis tools, and plotting scripts.
• Results: SOM reduces input tokens 4.0x vs raw HTML. SOM is faster than both HTML and Markdown on GPT-4o and Claude Sonnet 4.

Documentation

• SOM-first websites guide
• Authenticated browsing guide
• Agent browses X/Twitter guide
• Build a research agent tutorial
• Brand assets page
• CONTRIBUTING.md
• 30-page integrations and SDKs expansion

Ecosystem

• langchain-plasmate on PyPI
• llama-index-readers-plasmate on PyPI
• Blog at blog.plasmate.app (9 posts)
• SOM Cache at cache.plasmate.app (283 cached URLs)

Full Changelog: v0.4.0...v0.5.0

Full Changelog: v0.4.0...v0.5.0

Plasmate v0.4.0

Full Changelog: v0.3.0...v0.4.0

Plasmate v0.3.0

What's Changed

• feat: cookie-based auth profiles for authenticated browsing by @dbhurley in #2
• feat: --profile flag on serve for authenticated sessions by @dbhurley in #4
• feat: auth encryption, bridge server, and cookie expiry tracking by @dbhurley in #5

New Contributors

• @dbhurley made their first contribution in #2

Full Changelog: v0.1.1...v0.3.0

Plasmate v0.1.1

Full Changelog: v0.1.0...v0.1.1

Plasmate v0.1.0

Full Changelog: https://github.com/plasmate-labs/plasmate/commits/v0.1.0

Full Changelog: https://github.com/plasmate-labs/plasmate/commits/v0.1.0

Full Changelog: https://github.com/plasmate-labs/plasmate/commits/v0.1.0

Plasmate nightly

Full Changelog: v0.1.0...nightly

Full Changelog: v0.1.0...nightly

Full Changelog: v0.1.0...nightly

Full Changelog: v0.1.0...nightly