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v0.39.0

ByteDance-Seed/SeedVRv0.39.0Jun 19, 2026by github-actions[bot]

AI Summary

Rust framework for building AI agents adds VoyageAI rerank support and refactors the AgentRun state machine and tool registration.

Key Highlights

  • VoyageAI rerank provider support
  • Breaking change: sans-IO AgentRun state machine
  • Breaking change: deterministic tool registration
  • Gemini mid-stream disruption token-counting example

Breaking Changes

  • AgentRun state machine simplified to thin drivers
  • Tool registration made deterministic and duplicate-safe

New Features

  • VoyageAI rerank integration
  • Gemini mid-stream disruption example
  • Cassette-backed AgentRun coverage
  • ToolSet back with IndexMap for ordering

Full Release Notes

### Added

- *(providers)* add VoyageAI rerank support ([#1917](https://github.com/0xPlaygrounds/rig/pull/1917)) (by @sergiomeneses)
- *(agent)* [**breaking**] sans-IO AgentRun state machine; both agent loops become thin drivers ([#1899](https://github.com/0xPlaygrounds/rig/pull/1899)) (by @gold-silver-copper)

### Fixed

- correct possessive pronoun typo in CONTRIBUTING.md ([#1865](https://github.com/0xPlaygrounds/rig/pull/1865)) (by @abhicris) - #1865
- *(tool)* [**breaking**] deterministic, duplicate-safe tool registration + cassette tests ([#1913](https://github.com/0xPlaygrounds/rig/pull/1913)) (by @gold-silver-copper)

### Other

- *(deps)* bump uuid from 1.23.1 to 1.23.3 ([#1907](https://github.com/0xPlaygrounds/rig/pull/1907)) (by @dependabot[bot])
- *(deps)* bump lopdf from 0.40.0 to 0.41.0 ([#1877](https://github.com/0xPlaygrounds/rig/pull/1877)) (by @dependabot[bot])
- *(deps)* bump http from 1.4.0 to 1.4.2 ([#1909](https://github.com/0xPlaygrounds/rig/pull/1909)) (by @dependabot[bot])
- *(deps)* bump futures-timer from 3.0.3 to 3.0.4 ([#1908](https://github.com/0xPlaygrounds/rig/pull/1908)) (by @dependabot[bot])
- *(examples)* add Gemini mid-stream disruption token-counting example ([#1918](https://github.com/0xPlaygrounds/rig/pull/1918)) (by @gold-silver-copper)
- *(tool)* back ToolSet with an IndexMap instead of HashMap + order Vec ([#1916](https://github.com/0xPlaygrounds/rig/pull/1916)) (by @gold-silver-copper)
- de-flake tracing span tests and deepseek permission_control race ([#1915](https://github.com/0xPlaygrounds/rig/pull/1915)) (by @gold-silver-copper) - #1915
- *(agent)* cassette-backed AgentRun coverage against real Gemini turns ([#1901](https://github.com/0xPlaygrounds/rig/pull/1901)) (by @gold-silver-copper)
- Fix streaming reasoning history order ([#1898](https://github.com/0xPlaygrounds/rig/pull/1898)) (by @gold-silver-copper) - #1898
- Fix context document ordering ([#1893](https://github.com/0xPlaygrounds/rig/pull/1893)) (by @gold-silver-copper) - #1893
- Point ecosystem link to awesome-rig ([#1895](https://github.com/0xPlaygrounds/rig/pull/1895)) (by @gold-silver-copper) - #1895
- Add Gemini Nano Banana image generation ([#1889](https://github.com/0xPlaygrounds/rig/pull/1889)) (by @gold-silver-copper) - #1889

### Contributors

* @dependabot[bot]
* @abhicris
* @gold-silver-copper
* @sergiomeneses