Prefect Prefect Runner execution paths breaking change date

Name: Prefect: Prefect Runner execution paths (Breaking change)
Start: 2026-10-21
End: 2026-10-21

Prefect 3.9.0 removes the deprecated Runner execution paths.

0days left

Change: Breaking change
Effective: Oct 21, 2026
Announced: Oct 21, 2026
Replacement: none named; check the source
Source: github.com
Vendor's words: 3.9.0 - Pendulum's last swing: Pendulum's last swing Released on October 21, 2026 Breaking Changes ⚠️ Drop Python 3.10 support by @devin-ai-integration [bot] in #23324 Remove deprecated Runner execution paths by @desertaxle in #23496 Deprecate Pendulum datetime behavior on Python 3.11–3.12 by @devin-ai-integration [bot] in #23328 New Features 🎉 Add Python 3.15 support by @devin-ai-integration [bot] in #23400 Enhance…

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