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v0.173.1

mountain-loop/yaakv0.173.1Jun 11, 2026by zipstack-push-to-main[bot]

AI Summary

This release focuses on improving execution fairness and security by upgrading the Snowflake connector and implementing Phase 6a and 6b of the PG Queue system.

Key Highlights

  • Plumb fairness key on every dispatch
  • Upgrade snowflake-connector-python to 4.x for CVE fixes
  • PG Queue Phase 6a: Barrier interface
  • PG Queue Phase 6b: RedisDecrBarrier
  • Fix llama-parse schema field name

New Features

  • Plumb fairness through ExecutionDispatcher
  • Type chord-callback boundary
  • Address Phase 6a Barrier review feedback
  • Use group-shared adapters in Prompt Studio

Full Release Notes

## What's Changed
* UN-3501 [FEAT] Plumb fairness key on every dispatch() call site by @muhammad-ali-e in https://github.com/Zipstack/unstract/pull/2003
* Bump the uv group across 10 directories with 5 updates by @dependabot[bot] in https://github.com/Zipstack/unstract/pull/2011
* Bump the uv group across 9 directories with 5 updates by @dependabot[bot] in https://github.com/Zipstack/unstract/pull/2017
* [FIX] Upgrade snowflake-connector-python to 4.x to unblock cryptography 48.0.0 (CVE fixes) by @jaseemjaskp in https://github.com/Zipstack/unstract/pull/2018
* UN-3508 [FEAT] Plumb fairness through ExecutionDispatcher by @muhammad-ali-e in https://github.com/Zipstack/unstract/pull/2009
* fix(llama-parse): rename schema field url to base_url (#1972) by @jaseemjaskp in https://github.com/Zipstack/unstract/pull/2019
* UN-3513 [FEAT] Type chord-callback boundary with BatchExecutionResult / FileExecutionResult by @muhammad-ali-e in https://github.com/Zipstack/unstract/pull/2020
* UN-3522 [FEAT] PG Queue Phase 6a — Barrier interface + CeleryChordBarrier wrapper + lift chord call sites + plumb fairness by @muhammad-ali-e in https://github.com/Zipstack/unstract/pull/2024
* UN-3522 [FEAT] Address Phase 6a Barrier review feedback by @muhammad-ali-e in https://github.com/Zipstack/unstract/pull/2025
* UN-3523 [FEAT] PG Queue Phase 6b — RedisDecrBarrier + WORKER_BARRIER_BACKEND flag by @muhammad-ali-e in https://github.com/Zipstack/unstract/pull/2026
* UN-3166 [FIX] Use group-shared adapters in Prompt Studio & workflows by @kirtimanmishrazipstack in https://github.com/Zipstack/unstract/pull/2028


**Full Changelog**: https://github.com/Zipstack/unstract/compare/v0.173.0...v0.173.1