ESPHome
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Comparison · Infra & APIs
Dragonfly vs Hatchet
A side-by-side editorial comparison of Dragonfly and Hatchet — release velocity, themes, recent moves, and the top alternatives to consider.
Dragonfly vs Hatchet: at a glance
What is Dragonfly?
Dragonfly fixes dropped writes during slot migration and rebalances slot-based sharding.
Dragonfly is maintaining two incremental lines, 1.40 and 2.0, with small, targeted releases. The 2.0 line fixed a slot-migration bug that silently dropped journal writes into empty buckets and changed experimental slot-based sharding to Fibonacci hashing so keys spread evenly. The 1.40 line received BLMOVE and Sidekiq queue-placement optimizations.
What is Hatchet?
Hatchet is shipping engine patches almost daily as it opens the scheduler to outside operators.
Hatchet is a task orchestration engine with durable execution, DAGs, cron and rate limits, shipped as a fast-moving open-source release train. In three days it cut seven engine releases, most of them narrow fixes to the DAG operator, durable waits, error passthrough and the cron ticker. The Python SDK keeps pace with flow-control features.
Dragonfly vs Hatchet: editorial side-by-side
Dragonfly
5.0INFRA · APIS
Dragonfly fixes dropped writes during slot migration and rebalances slot-based sharding.
◆ Current state
Dragonfly is maintaining two incremental lines, 1.40 and 2.0, with small, targeted releases. The 2.0 line fixed a slot-migration bug that silently dropped journal writes into empty buckets and changed experimental slot-based sharding to Fibonacci hashing so keys spread evenly. The 1.40 line received BLMOVE and Sidekiq queue-placement optimizations.
◆ Where it's heading
Most of the work is in cluster mode: migrations, slot placement and topology replies. That suggests the 2.x line is being hardened for multi-node deployments, while 1.40 still gets backports and small performance fixes.
◆ Prediction
The slot-based sharding flag looks likely to stay experimental for a while, with more balancing and migration fixes before it becomes a default.
Hatchet
5.0INFRA · APIS
Hatchet is shipping engine patches almost daily as it opens the scheduler to outside operators.
◆ Current state
Hatchet is a task orchestration engine with durable execution, DAGs, cron and rate limits, shipped as a fast-moving open-source release train. In three days it cut seven engine releases, most of them narrow fixes to the DAG operator, durable waits, error passthrough and the cron ticker. The Python SDK keeps pace with flow-control features.
◆ Where it's heading
The 0.113.0 serverless operator, a gRPC service that lets operators run outside the engine, set the direction: Hatchet is turning its scheduler into a platform that external runtimes plug into. The patches since then harden that path, especially durable streams and DAG output handling, and add finer flow control such as pausing rate-limited queues.
◆ Prediction
Expect more durable-stream and operator fixes in the 0.113–0.114 line, followed by SDK support that makes out-of-process operators usable without hand-written gRPC.
Alternatives to Dragonfly and Hatchet
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Dragonfly or Hatchet.
Cronicle
Cronicle keeps patching vulnerable dependencies, two more bumps in three days.
Retool
Retool's week is security disclosures and patch trains after a fast run of model launches.
Knock
Knock adds single-step test runs and retries for failed workflow runs.
Sonarr
Sonarr 5.0 builds add Trakt Smart Lists, OIDC Remember Me and more accessibility fixes.
Redocly
Redocly keeps Reunite project sign-ins alive for 30 days and hardens Visual review login.
See all Dragonfly alternatives → · See all Hatchet alternatives →
Recent activity from Dragonfly and Hatchet
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2d agoHatchetv0.114.0 adds batched publishing for durable streams
- 2d agoHatchetTicker stops rewriting cron rows it already owns
- 2d agoHatchetEngine passes errors through verbatim
- 3d agoHatchetDAG operator returns empty outputs correctly
- 3d agoHatchetPython SDK 1.43.0
- 3d agoHatchetv0.113.3: feat(engine): index cron names for search (#5267)
- 4d agoDragonflyi1.40.13: Sidekiq queues placed on the same shard
- 5d agoDragonflyi2.0.5: Fibonacci hashing evens out slot-based sharding
- 5d agoDragonflyi1.40.12: single-shard BLMOVE completes in one hop
- 5d agoDragonflyi2.0.4: slot migration no longer drops writes to empty buckets
- 6d agoDragonflyi2.0.3: storage read-lifetime fix backported
- 6d agoDragonflyi1.40.11: storage read-lifetime fix backported
Frequently asked questions
What is the difference between Dragonfly and Hatchet?
They serve adjacent needs but don't currently overlap on shipped themes. Dragonfly and Hatchet are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Dragonfly better than Hatchet?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Dragonfly and Hatchet are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to Dragonfly?
Top Dragonfly alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Dragonfly alternatives" section above for the current picks, or visit /alternatives/dragonfly for the full list with editorial commentary on each.
What are the best alternatives to Hatchet?
Top Hatchet alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Hatchet alternatives" section above for the current picks, or visit /alternatives/hatchet for the full list with editorial commentary on each.