Remove deprecated code Runner functionality and system Blocks
#19307
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This PR removes all deprecated code from core Prefect that has reached or passed its scheduled removal date: **Removed Blocks:** - JSON, String, DateTime blocks (deprecated June 2024, removal date June 2025) **Removed Functions:** - ResultStore.store_parameters() and read_parameters() (deprecated May 2025, removal date November 2025) - build_server() and start_webserver() from runner.server (deprecated April 2025, removal date October 2025) - submit_to_runner() and wait_for_submitted_runs() from runner.submit (deprecated April 2025, removal date October 2025) - DeploymentClient.set_deployment_paused_state() sync and async (deprecated June 2025, removal date December 2025) **Removed CLI Commands:** - `prefect cloud open` (deprecated October 2024, removal date April 2025) **Updates:** - Updated server block registration to remove deprecated blocks - Removed tests for deprecated functionality - Cleaned up imports and exports Pydantic schema fields and integration-specific deprecations were kept as requested. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
CodSpeed Performance ReportMerging #19307 will not alter performanceComparing Summary
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- Remove webserver parameter from Runner.__init__() and Runner.start() - Remove unused _build_generic_endpoint_for_flows and related helper functions - Update test_block_registration.py to remove json and date-time blocks - Clean up unused imports Fixes type check errors and server test failures.
desertaxle
changed the title
Runner functionality and system Blocks
zzstoatzz
approved these changes
Oct 30, 2025
| pytest-timeout \ | ||
| pytest-env | ||
| pytest --ignore=integration-tests/test_task_worker.py --ignore=integration-tests/test_concurrency_leases.py integration-tests/ -n auto -vv | ||
| pytest --ignore=integration-tests/test_task_worker.py --ignore=integration-tests/test_concurrency_leases.py --ignore=integration-tests/test_deploy.py integration-tests/ -n auto -vv |
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why are we adding this ignore?
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The test requires the flow-run execute CLI, which isn't available in prefect-client. I'm not quite sure how it was passing before, but pulling a flow from a different repo for the test caused issues.
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Summary
This PR removes all deprecated code from core Prefect that has reached or passed its scheduled removal date.
Changes
Removed Blocks
src/prefect/blocks/system.pyRemoved Functions
ResultStore.store_parameters() and read_parameters() (deprecated May 2025, removal date November 2025)
prefect.task_workermodulebuild_server() and start_webserver() from runner.server (deprecated April 2025, removal date October 2025)
.serve()methodsubmit_to_runner() and wait_for_submitted_runs() from runner.submit (deprecated April 2025, removal date October 2025)
run_deployment()DeploymentClient.set_deployment_paused_state() sync and async (deprecated June 2025, removal date December 2025)
pause_deployment()andresume_deployment()methodsRemoved CLI Commands
prefect cloud open(deprecated October 2024, removal date April 2025)prefect dashboard openOther Updates
Impact
🤖 Generated with Claude Code