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iii/v0.19.0

iii-hq/iiiiii/v0.19.0Jun 6, 2026by iii-hq-ci[bot]

AI Summary

This release introduces a new Go SDK and exposes `response_schema` on triggers, alongside various UI and observability improvements. It also includes significant internal refactoring of SDKs to remove deprecated types and re-exports.

Key Highlights

  • Added official Go SDK for the iii worker protocol
  • Exposed `response_schema` on triggers info
  • Added `trace` trigger type for observability
  • Refactored Rust, Python, and Node SDKs to remove deprecated re-exports

Breaking Changes

  • Drop serde_json::Value re-export
  • Delete FieldPath, de-export MergePath
  • Delete IIIForbiddenError/IIITimeoutError
  • Remove TriggerActionType alias
  • Remove orphan TriggerTypeInfo
  • Drop Logger re-export
  • Drop OTel suite re-export
  • Remove UpdateBuilder export

New Features

  • Official Go SDK for the iii worker protocol
  • Expose response_schema on triggers info
  • Add trace trigger type
  • Opt-in skills rerender functionality
  • Deduplicate OTEL spans across engine and worker SDKs

Full Release Notes

## What's Changed
* fix: make queue/DLQ ops discoverable and typed, point skill docs at engine contracts by @andersonleal in https://github.com/iii-hq/iii/pull/1743
* fix(website): true-quadratic hero chart, boxed destination tabs, nav overlap by @rohitg00 in https://github.com/iii-hq/iii/pull/1745
* fix(iii-worker): replace existing bundle install on cross-project add by @andersonleal in https://github.com/iii-hq/iii/pull/1742
* fix: issue with unregister trigger in custom triggers by @sergiofilhowz in https://github.com/iii-hq/iii/pull/1750
* feat(website): one self-routing copy-prompt; llms.txt explains, AGENTS.md builds by @rohitg00 in https://github.com/iii-hq/iii/pull/1754
* feat(engine): expose response_schema on triggers info by @andersonleal in https://github.com/iii-hq/iii/pull/1748
* docs(changelog): add 0.19.0 entry for response_schema on triggers info by @andersonleal in https://github.com/iii-hq/iii/pull/1757
* add opt-in skills rerender functionality to iii repository by @anthonyiscoding in https://github.com/iii-hq/iii/pull/1758
* feat(sdk/go): add official Go SDK for the iii worker protocol by @MarcusElwin in https://github.com/iii-hq/iii/pull/1739
* feat(observability): add `trace` trigger type by @ytallo in https://github.com/iii-hq/iii/pull/1753
* fix(website): stop session replay recording the animated SVG firehose by @rohitg00 in https://github.com/iii-hq/iii/pull/1762
* refactor(rust-sdk)!: drop serde_json::Value re-export by @guibeira in https://github.com/iii-hq/iii/pull/1759
* refactor(rust-sdk)!: delete FieldPath, de-export MergePath by @guibeira in https://github.com/iii-hq/iii/pull/1763
* refactor(python-sdk)!: delete IIIForbiddenError/IIITimeoutError by @guibeira in https://github.com/iii-hq/iii/pull/1768
* refactor(node-sdk)!: remove TriggerActionType alias by @guibeira in https://github.com/iii-hq/iii/pull/1770
* refactor(rust-sdk)!: remove orphan TriggerTypeInfo by @guibeira in https://github.com/iii-hq/iii/pull/1771
* refactor(node-sdk,python-sdk)!: drop Logger re-export by @guibeira in https://github.com/iii-hq/iii/pull/1772
* refactor(rust-sdk)!: remove UpdateBuilder export by @guibeira in https://github.com/iii-hq/iii/pull/1756
* refactor(python-sdk)!: drop OTel suite re-export by @guibeira in https://github.com/iii-hq/iii/pull/1774
* Revert "fix(website): true-quadratic hero chart, boxed destination tabs, nav overlap (#1745)" by @rohitg00 in https://github.com/iii-hq/iii/pull/1773
* feat(observability): deduplicate OTEL spans across engine and worker SDKs by @ytallo in https://github.com/iii-hq/iii/pull/1775
* Fix cli telemetry latency by @guibeira in https://github.com/iii-hq/iii/pull/1761
* fix(sdk/go): list Go SDK in READMEs and fix two review findings by @MarcusElwin in https://github.com/iii-hq/iii/pull/1767
* docs: remove new_skills, document install + skills for built-in workers by @rohitg00 in https://github.com/iii-hq/iii/pull/1755
* docs(next): import Logger from observability package in tutorials by @ytallo in https://github.com/iii-hq/iii/pull/1788

## New Contributors
* @MarcusElwin made their first contribution in https://github.com/iii-hq/iii/pull/1739

**Full Changelog**: https://github.com/iii-hq/iii/compare/iii/v0.18.0...iii/v0.19.0