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 # Prefect Release Notes
 
+## Release 2.18.0
+
+### Breaking Changes
+- Remove deprecated ability to run `prefect deploy` with `deployment.yaml` file — https://github.com/PrefectHQ/prefect/pull/12731
+- Remove deprecated ability to pass `-f/--flow` as option to `prefect deploy` — https://github.com/PrefectHQ/prefect/pull/12732
+- Remove deprecated `projects` from `prefect deploy` — https://github.com/PrefectHQ/prefect/pull/12737
+- Remove deprecated `--ci` option from `prefect deploy` — https://github.com/PrefectHQ/prefect/pull/12740
+
+### Enhancements
+- Improve account selection in `prefect cloud login` and `workspace set` — https://github.com/PrefectHQ/prefect/pull/12717
+
+### Fixes
+- Raise clearer flow validation error — https://github.com/PrefectHQ/prefect/pull/12715
+- Exclude job_variables when exclude=None — https://github.com/PrefectHQ/prefect/pull/12712
+- Remove experimental flags on infrastructure overrides — https://github.com/PrefectHQ/prefect/pull/12742
+
+### Experimental
+
+#### Pydantic V2 Compatibility
+- Introduce self-validating types — https://github.com/PrefectHQ/prefect/pull/12707
+- Refactor `field_validator` and `model_validator` to map Pydantic kwargs between versions — https://github.com/PrefectHQ/prefect/pull/12676
+- Fix type-hinting for self-validating fields — https://github.com/PrefectHQ/prefect/pull/12710
+- Fix types NonNegativeDuration / PositiveDuration — https://github.com/PrefectHQ/prefect/pull/12711
+
+ 
+#### Events and Automations
+- Implement the `run-deployment` automation action — https://github.com/PrefectHQ/prefect/pull/12677
+- Implement the `send-notification` action — https://github.com/PrefectHQ/prefect/pull/12693
+- Make `TriggeredAction.firing` required — https://github.com/PrefectHQ/prefect/pull/12697
+- Add an Actions service — https://github.com/PrefectHQ/prefect/pull/12699
+- Implement the `call-webhook` action and adds all Action client-side schemata — https://github.com/PrefectHQ/prefect/pull/12728
+- Implement `change-flow-run-state`, `cancel-flow-run`, and `suspend-flow-run` — https://github.com/PrefectHQ/prefect/pull/12730
+- Add functions for querying and counting events — https://github.com/PrefectHQ/prefect/pull/12696
+- Implement the `pause-deployment` and `resume-deployment` actions — https://github.com/PrefectHQ/prefect/pull/12733
+- Add `/events/filter` and `/events/count-by` route trees — https://github.com/PrefectHQ/prefect/pull/12736
+- Allow for creating automations via deployments when experimental events is on — https://github.com/PrefectHQ/prefect/pull/12701
+- Add ability to stream out events via websocket — https://github.com/PrefectHQ/prefect/pull/12744
+- Implement the `pause-automation` and `resume-automation` actions — https://github.com/PrefectHQ/prefect/pull/12738
+- Add automations CLI — https://github.com/PrefectHQ/prefect/pull/12754
+- Rename `prefect-cloud.*` events and labels to `prefect.*` — https://github.com/PrefectHQ/prefect/pull/12755
+- Add ability to emit events to an ephemeral Prefect server — https://github.com/PrefectHQ/prefect/pull/12762
+- Disable `events` and `automations` API routes when experimental events setting is not enabled — https://github.com/PrefectHQ/prefect/pull/12777
+- Add compatibility tests for client and server triggers and actions — https://github.com/PrefectHQ/prefect/pull/12778
+- Disable the automations integration flows for Prefect Cloud — https://github.com/PrefectHQ/prefect/pull/12784
+- Add pause and resume the work pool and work queue actions — https://github.com/PrefectHQ/prefect/pull/12735
+- Add helper functions for creating an events client or subscriber — https://github.com/PrefectHQ/prefect/pull/12759
+- Add default posture to `EventTrigger` schema — https://github.com/PrefectHQ/prefect/pull/12764
+ - Fix writing events for SQLite + SQLAlchemy<2 — https://github.com/PrefectHQ/prefect/pull/12679
+
+### Documentation
+- Update `prefect.yaml` example in work pools concepts page — https://github.com/PrefectHQ/prefect/pull/12695
+- Fix typo in Quickstart — https://github.com/PrefectHQ/prefect/pull/12729
+- Simplify quickstart — https://github.com/PrefectHQ/prefect/pull/12725
+- Add `.serve`, `.deploy`, and composite trigger examples to deployment triggers docs — https://github.com/PrefectHQ/prefect/pull/12743
+- Update automations images — https://github.com/PrefectHQ/prefect/pull/12752
+- Simplify tutorial — https://github.com/PrefectHQ/prefect/pull/12765
+- Remove disclaimer for Python 3.12 experimental support — https://github.com/PrefectHQ/prefect/pull/12771
+- Clarify deployment trigger examples — https://github.com/PrefectHQ/prefect/pull/12782
+- Remove Prefect-managed integration libraries to be archived from the integrations catalog — https://github.com/PrefectHQ/prefect/pull/12781
+- Fix broken link to push work pool guide — https://github.com/PrefectHQ/prefect/pull/12748
+- Fix minor restructure to improve legibility of work pools tutorial — https://github.com/PrefectHQ/prefect/pull/12747
+- Fix `typing` import and typos in tasks tutorial — https://github.com/PrefectHQ/prefect/pull/12746
+- Simplify installation — https://github.com/PrefectHQ/prefect/pull/12772
+- Fix import syntax in `variables.Variable` example — https://github.com/PrefectHQ/prefect/pull/12727
+- Fix typo in How-to Guide document — https://github.com/PrefectHQ/prefect/pull/12761
+
+
+## New Contributors
+* @hboehmer-IW made their first contribution in https://github.com/PrefectHQ/prefect/pull/12721
+* @avriiil made their first contribution in https://github.com/PrefectHQ/prefect/pull/12748
+* @takashimakazuki made their first contribution in https://github.com/PrefectHQ/prefect/pull/12761
+  
+### Integrations
+- Add support for a capacity provider — https://github.com/PrefectHQ/prefect-aws/pull/407
+- Improve error handling for task creation — https://github.com/PrefectHQ/prefect-aws/pull/406
+
+
+**All changes**: https://github.com/PrefectHQ/prefect/compare/2.17.1...2.18.0
+
 ## Release 2.17.1
 
 ### Fixes