Releasesby Glyphprefect 3.6.25
Enhancements ➕➕ - Separate raise_on_lease_renewal_failure from strict in concurrency() - Add configurable parameter size limit for flow runs and deployments Bug Fixes 🐞 - Fix examples for list fields in notification blocks to show JSON array format - Fix parameters_to_args_kwargs greedily assigning kwargs as positional args - Degrade gracefully when events...
Also shipped Apr 3, 2026Prefect in April 2026 →
- [Preview] Embedded Dives: MotherDuck Dives can now be embedded directly in your customer-facing applications
- [Preview] Embedded Dives: MotherDuck Dives can now be embedded directly in your customer-facing applications. Create a Dive, generate an embed session, and drop an iframe into your app. Your end-users can explore data in real time, powered by MotherDuck. Embedded Dives currently require a Business plan.
AI shortcuts in the Neon Docs, Postgres extension updates, Azure region deprecation, Mastra and Vercel AI SDK guides, and more release - Apr 03, 2026
AI assisted shortcuts in the Neon Docs. Copy page in the header opens a menu on every Neon Docs page copy the page as Markdown, or open it in ChatGPT or Claude ...
What's new in Sigma
AI New model used for Snowflake AI provider If you use a warehouse-hosted AI provider with a Snowflake connection, and your Snowflake account is hosted on AWS, Sigma now uses claude-sonnet-4-5 as the LLM. For more details, see Configure a warehouse-hosted model as AI provider .
Guides and Surveys showing up in cohort page's _Used by_ tab
What it is: The "Used by" tab on the Cohorts page shows which assets reference a given cohort, including charts, other cohorts, experiments, and flags. Guides and Surveys now appear in that list as well. Previously, those asset types weren't included, leaving the dependency picture incomplete.
NVIDIA LLM provider now available
NVIDIA is now a supported LLM provider for the Voice Agent API. The following model is available in the Standard pricing tier: nemotron-3-nano-30B-A3B , Nemotron 3 Nano 30B A3B provides cost efficiency with high accuracy for targeted agentic tasks.
LlamaIndex 0.14.20
Release Notes [2026-04-03] llama-index-agent-agentmesh [0.2.0] fix vulnerability with nltk ( #21275 ) llama-index-callbacks-agentops [0.5.0] chore(deps): bump the uv group across 50 directories with 2 updates ( #21164 ) chore(deps): bump the uv group across 24 directories with 1 update ( #21219 ) chore(deps): bump the uv group across 21 directories with 2...
More from PrefectEvery Prefect release →
Prefect 3.6.26 - You had me at DTSTART
Experimental 🔬 - Add configurable bundle launchers for work pool storage Bug Fixes 🐞 - Persist explicit DTSTART on RRule schedules at write time - Identity-verify run_results lookups for weakref-able objects to prevent stale id() collisions - Bump pendulum floor to 3.1.0 to fix pydantic-extra-types 2.11.2 compatibility - Pin fakeredis < 2.35.0 to prevent...
Prefect 3.6.24 - A watched flow never boils
Note: unwatched flows also never boil New Features 🎉 - Add flow-run watch command to watch any flow run until it reaches a terminal state - Add with_context() for propagating Prefect run context into user-spawned subprocesses Enhancements ➕➕ - Add bounded queue support to QueueService to prevent OOM during server outages - Add time-based checkpoint to...
Prefect 3.6.27 - When I cancel, you cancel
Enhancements ➕➕ - Remove causal ordering from task run recorder - Enable cascading cancellation for in-process subflows - Relax work-pool storage CLI to allow ambient cloud credentials Bug Fixes 🐞 - Bump pydocket to >=0.19.0 and drop the fakeredis pin - URL-encode credentials in dict fallback path for git clone - Handle missing anyio.NoEventLoopError on...
Prefect 3.6.23 - Glob Trotter
Enhancements ➕➕ Skip no-op SQL filters for empty values to speed up deployment pagination Add --no-create-pool-if-not-found flag to worker start Emit events for deployment create, update, and delete operations Support glob patterns in events matching Support module path entrypoints in prefect.yaml deployments Add stream_progress_to parameter to DockerImage...
Prefect 3.6.28 - I'm fixing a hole where `sys.modules` entries get in
🎵 And stops my mind from wandering 🎵 Enhancements ➕➕ - Refactor whenever API compat helpers and fix in_local_tz for naive datetimes - Handle unknown serializers during dispatch Bug Fixes 🐞 - Skip uv pip freeze in bundle creation when a non-uv launcher is set - Fix DNS rebinding TOCTOU bypass in validate_restricted_url - Don't overwrite custom_headers...
Prefect 3.6.22 - Actually, I've got triples of the pending
New Features 🎉 Add Submitting and InfrastructurePending states and emit from BaseWorker Add OS-level resource metric collection to flow run subprocesses Enhancements ➕➕ Add end_time filter support for flow and task runs Use hmac.compare_digest for auth token comparisons Use cyclopts native lazy loading for CLI commands Extend flow_run_logger to accept a...
Prefect 3.6.10 through 3.6.29: the command line grows up
The releases across early 2026 leaned into the command line and day-to-day operations: SDK generation, a server status command, watching runs from the terminal, and richer run telemetry.
Prefect 3.6.29 - ON CONFLICT DO BETTER
Enhancements ➕➕ Replace correlated EXISTS with JOIN fast-path in count_flow_runs Sort TaskRunRecorder bulk upsert batches by task_run.id to prevent deadlocks Bug Fixes 🐞 Clear BlockStorageAdapter destination before each pull Fix task run recorder conflict handling Always enforce basepath containment in LocalFileSystem Development & Tidiness 🧹 Explicitly...