v0.2.85

pathwaycom/pathwayv0.2.85Sep 8, 2026by akaashrp

Upgrading?

AI Summary

Adds OPFS synchronous access handles and committed cache records, updates the bundled TVM web runtime, and improves OpenAI compatibility.

Key Highlights

  • Adds OPFS synchronous access handles and committed cache records.
  • Updates TVM web runtime to version 0.27.0-dev0.
  • Returns OpenAI-compatible timestamps in seconds.
  • Registers service-worker handlers during startup.

New Features

  • OPFS synchronous access handles
  • Committed cache records
  • OpenAI-compatible timestamp format

Full Release Notes

v0.2.85

- Add OPFS synchronous access handles and committed cache records, and update the bundled TVM web runtime to `0.27.0-dev0`.
- Return OpenAI-compatible `created` timestamps in seconds.
- Register service-worker handlers during startup so restarted workers can receive requests.
- Preserve recovered worker model state to avoid repeated reloads.
- Prevent hangs when initializing invalid structural-tag constraints.
- Reject NaN generation parameters.
- Render example output safely and correct cached-model `appConfig` examples.

This update continues to use the existing `v0_2_84/base` model libraries. No new model binaries are required by the validated paths.

Runtime source: [apache/tvm at 7e06fc6c1420d0188eb9d889bd74e2e1fb76e448](https://github.com/apache/tvm/commit/7e06fc6c1420d0188eb9d889bd74e2e1fb76e448).

Changes since the npm 0.2.84 source commit: [9e572d6...5f74244](https://github.com/mlc-ai/web-llm/compare/9e572d6ed95e248f29634996cd32cc8f3023d89d...5f742443179a5463e83a19f704d7c19f1f019f98).

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