prefect 3.6.13 - The heartbeat is coming from *inside* the engine
Enhancements ➕➕ - Add FlowRunFilterCreatedBy - Add retry logic for PrefectEventsClient.__aenter__() initial connection Bug Fixes 🐞 - Move flow run heartbeat event emission to flow run engine - Fix websocket cleanup AttributeError in event clients - Add warning when sync task with timeout runs in worker thread - Prevent GitHub token leakage in git error...
Also shipped Jan 23, 2026Prefect in January 2026 →
- Expanded MCP Server support: The MotherDuck remote MCP Server now supports Warp , PearAI , Trae , Void ...
- Expanded MCP Server support: The MotherDuck remote MCP Server now supports Warp , PearAI , Trae , Void , Positron , Supermaven , Aider , and JetBrains IDEs . Use your favorite AI assistant to answer questions about your data through natural conversation. See the MCP Server documentation to get started.
What's new in Sigma
Admin Use other supported IdPs for Databricks OAuth via OAuth token federation Using OAuth token federation, you can now use other supported identity providers to authenticate to Databricks. Previously, you could only authenticate with Databricks as your identity provider. See Configure Databricks OAuth token federation for more information.
Agent Skills, Data API provisioning, and faster docs release - Jan 23, 2026
Give your AI assistant Neon expertise. Install our Agent Skills to teach your AI coding assistant about Neon best practices, connection methods, ORM setup, and ...
Cloudflare Fundamentals - New 2FA Experience for Login
In an effort to improve overall user security, users without 2FA will be prompted upon login to enroll in email 2FA. This will improve user security posture while minimizing friction. Users without email 2FA enabled will see a prompt to secure their account with additional factors upon logging in.
Pages - Increased Pages file limit to 100,000 for paid plans
Paid plans can now have up to 100,000 files per Pages site, increased from the previous limit of 20,000 files. To enable this increased limit, set the environment variable PAGES_WRANGLER_MAJOR_VERSION=4 in your Pages project settings. The Free plan remains at 20,000 files per site. For more details, refer to the Pages limits documentation .
Vectorize indexes now support up to 10 million vectors
You can now store up to 10 million vectors in a single Vectorize index, doubling the previous limit of 5 million vectors. This enables larger-scale semantic search, recommendation systems, and retrieval-augmented generation (RAG) applications without splitting data across multiple indexes.
More from PrefectEvery Prefect release →
Prefect 3.6.12 - It's not a feature, it's a bug!
What's Included Enhancements ➕➕ Add httpx.ConnectError to client retry exceptions Bug Fixes 🐞 Add build=False documentation to flow.deploy guide fix: display error details nicely in work-pool create command fix: remove CANCELLED from EnforceCancellingToCancelledTransition to allow retrying cancelled flows Add retry logic to...
3.6.14 - A Prefect Server for Every ::1
Enhancements ➕➕ - Support parsing TOML 1.0 on Python 3.11+ - Make runner cancellation observing critical to runner health - Reload root settings after running plugins to enable environment variable updates to take effect - Support IPv6 addresses in prefect server start - Add authentication to /api/events/in WebSocket endpoint Bug Fixes 🐞 - Add polling...
Prefect 3.6.15 - Simply Authful
Bug Fixes 🐞 Fix PrefectCloudEventsClient auth handshake breaking Cloud connections Cap concurrency limit retry-after to prevent excessive delays from burst traffic
Prefect 3.6.11 - It's my generation, baby
Released on January 15, 2026 This release introduces prefect sdk generate a new CLI command that generates fully-typed, custom Python SDKs from the deployments in your workspace or self-hosted server, making it easy to trigger your deployments from other workflows with confidence. To see how it works, check out the Prefect docs.
Prefect 3.6.16 - It's Bulking Season
New Features 🎉 Add prefect cloud asset list and delete commands Add bulk operation endpoints for flow runs, deployments, and flows Add SDK instrumentation module Enhancements ➕➕ Allow infra name templating with flow and flow_run Add max_scheduled_runs, parameters, and slug fields to deployment schedule methods Bug Fixes 🐞 Fix visit_collection to handle...
Prefect 3.6.10 - Five Bugs Walked Into A Bar And None Of Them Left
3.6.10 - Five Bugs Walked Into A Bar And None Of Them Left Released on January 08, 2026 Enhancements ➕➕ Add prefect automation update CLI command Add upserting global concurrency limit decay Bug Fixes 🐞 Fix AttributeError in Consumer.cleanup() for non-memory brokers Fix exception_to_crashed_state_sync failing without async backend Fix MockValSer...
Prefect 3.6.17 - Goodbye, Ghost in the WebSocket
New Features 🎉 Add prefect server status command Enhancements ➕➕ Make PrefectFutureList.result() fail-fast using as_completed Improve CLI connection message for self-hosted server Add replaces field for renaming schedule slugs Add attribution headers to SDK API requests Bug Fixes 🐞 Fix flow timeout not retrying when retries are enabled Fix the flow run...
Prefect 3.6.9 - Auld Lang Sync
3.6.9 - Auld Lang Sync Released on December 31, 2025 New Features 🎉 Add worker-side cancellation for pending flow runs Enhancements ➕➕ Add JSON schema for prefect.yaml files Send entrypoint pip install errors to Prefect logs Run read and count queries concurrently in paginate endpoints Bug Fixes 🐞 Preserve symlinks in get_directory instead of following...