- New event-based backend that allows agent actions to be "compiled" on demand for different LLMs, workflow visibility, and more
- New lightweight DX, including the workhorse `cf.run()` function
- New `Orchestrator` for managing workflow execution
- New `TurnStrategy` objects for managing agent collaboration
- Completely rewritten documentation
- Custom result validation
- Full Prefect 3.0 support
What's Changed
New Features 🎉
* Add new compiler backend by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/199
* Add new compiler backend (199) by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/200
* Add new compiler backend by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/203
* Add diagnostic CLI by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/205
* Support max iterations by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/211
* support private tasks by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/212
* Continue building out compilation pipeline by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/221
* Update prompt customization by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/226
* Improve basic round robin by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/231
* Add stable ID for task/agent/team by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/232
* Add configurable history visibility by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/233
* Add async run and deprecate run_once by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/234
* Don't create team of one agent by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/243
* Clean up new backend by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/246
* Give end-turn tool to the default team by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/247
* expand support for lists of agents by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/248
* Better support for complex options by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/249
* Add support for Annotated result types on tasks by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/262
* Add most busy turn strategy by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/265
* Add support for custom result validators by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/266
* Allow task decorator to return a value that becomes part of the objective by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/267
* Update decorator to have proper method for returning a task by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/268
* Improve handling of max turns / max turns per call and enforce task.max_turns by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/271
* Update prefect pin for 3.0 🎉 by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/273
* Allow configurable completion agents by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/275
* Add top level `run` fns and support orchestrators with no agent by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/280
* Improve debugging options by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/281
* Reset task parent tracking when nested flows are created by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/286
* jlowin Remove infer_parent by improving attribute defaults by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/287
* Update planning module by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/285
* Huge orchestration overhaul by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/290
* Add builtin validators and docs by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/294
* Flow updates: prevent args from becoming part of context by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/300
* Update prefect integration by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/301
Fixes 🐞
* Fix bugs with parsing dependent tasks by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/201
* Fix error when serializing bad tool args by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/204
* fix kwarg by zzstoatzz in https://github.com/PrefectHQ/ControlFlow/pull/218
* fix tests by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/227
* Add context tests; fix issue loading upstream task events by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/229
* Ensure LC tools work by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/230
* fix flow thread kwarg by zzstoatzz in https://github.com/PrefectHQ/ControlFlow/pull/250
* Add tests to ensure run limits are respected by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/264
* Fix issue with classifying complex labels by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/276
* Fix issue with special type aliases by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/295
Breaking Changes 🛫
* move defaults out of root by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/210
* Change run_once to steps by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/214
* Remove .agents property by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/242
* rename user_access → interactive by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/259
* Remove error property and reuse result by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/261
* Name is not required for agents; instructions can be provided as a positional arg by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/270
* Remove unused settings by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/272
Docs 📚
* Add event log docs by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/208
* add groq to providers by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/209
* Update installation.mdx by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/215
* Add example of using a LangChain tool and fetching data, summarizing, and doing NER and sentiment analysis by discdiver in https://github.com/PrefectHQ/ControlFlow/pull/225
* Giant docs update by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/277
* Icons update by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/278
* New flow docs; clean up by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/282
* Consolidate concept docs by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/289
* Update dependency docs by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/291
* Lots of new examples by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/297
* Add history doc by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/298
* Add feature examples by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/299
* Add new agentic examples by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/302
* Update readme by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/303
Other Changes 🦾
* Update Prefect by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/202
* Update README.md header image so displays in PyPI by discdiver in https://github.com/PrefectHQ/ControlFlow/pull/224
* Add history tests by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/235
* Handle long tool descriptions by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/237
* chore: update agent.py by eltociear in https://github.com/PrefectHQ/ControlFlow/pull/236
* Make agent name required by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/238
* Remove unused events by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/245
* Basetool support by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/256
* v0.9 foundation by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/255
* Fix flow context when using flow by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/257
* Update welcome.mdx by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/258
* fix indentation by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/260
* Remove max turns from task by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/274
* Add dev CLI by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/292
* 2 small things by zzstoatzz in https://github.com/PrefectHQ/ControlFlow/pull/293
* Update README.md by jlowin in https://github.com/PrefectHQ/ControlFlow/pull/304
New Contributors
* eltociear made their first contribution in https://github.com/PrefectHQ/ControlFlow/pull/236
**Full Changelog**: https://github.com/PrefectHQ/ControlFlow/compare/v0.8.2...v0.9