DNSControl
DNSControl is rewriting its record internals in public, one release candidate at a time
Comparison · Infra & APIs
Depot vs Fission
A side-by-side editorial comparison of Depot and Fission — release velocity, themes, recent moves, and the top alternatives to consider.
Depot vs Fission: at a glance
| Feature | Depot | Fission |
|---|---|---|
| Sector | Infra & APIs | Infra & APIs |
| Velocity score | 6.3 | 0.0 |
| Sparks · 30d | 1 | 0 |
| Top themes | ci-cd, build-acceleration, test-analytics, source-control | serverless, kubernetes, faas, release-candidates |
| Last editorial update | 19h ago | 2h ago |
| Website | — | Visit → |
What is Depot?
Depot is expanding from faster builds into the whole CI stack — tests, source control, and its own metal.
Depot has spent the last month building outward from build acceleration. Test results went generally available with JUnit ingest, org-wide flaky and slow test analytics, and timing-based shard balancing. Underneath that, Depot Metal moved CI and Sandboxes onto bare-metal microVMs the company controls end to end, and Depot Code entered private beta as a diskless git server backed by blob storage. The smaller releases fill in the surrounding surface: Tailscale access to private networks, GitLab OIDC, Datadog CI Visibility, stacked pull requests, and macOS 26 runners on M4.
What is Fission?
Fission's release feed carries only RC tags, and none of them say what shipped
Every entry here is a release candidate — v1.22.0-rc1 and rc2, v1.23.0-rc1, v1.25.0-rc1 — with no final release appearing between them, and the version sequence skips 1.24 entirely. The bodies are whatever the tagging commit said, so what reaches this feed is a dependabot bump, a CLI tool-version refresh, a codegen sync explicitly labelled as having no functional change, and one entry that is nothing but links to an external release-highlights page. The actual release notes live on the project's documentation site, not here.
Depot vs Fission: editorial side-by-side
Depot
6.3INFRA · APIS
Depot is expanding from faster builds into the whole CI stack — tests, source control, and its own metal.
◆ Current state
Depot has spent the last month building outward from build acceleration. Test results went generally available with JUnit ingest, org-wide flaky and slow test analytics, and timing-based shard balancing. Underneath that, Depot Metal moved CI and Sandboxes onto bare-metal microVMs the company controls end to end, and Depot Code entered private beta as a diskless git server backed by blob storage. The smaller releases fill in the surrounding surface: Tailscale access to private networks, GitLab OIDC, Datadog CI Visibility, stacked pull requests, and macOS 26 runners on M4.
◆ Where it's heading
Each layer Depot adds is one it previously rented — compute from cloud runners, source hosting from GitHub, test insight from nothing at all. Owning the storage and hypervisor tiers is what makes the performance claims possible, and owning test data is what turns a build accelerator into something that reports on the pipeline rather than just running it faster. The pattern suggests Depot is positioning as the full CI platform, with speed as the entry point rather than the product.
◆ Prediction
Depot Code should move from private to open beta with tighter Depot CI integration, since a git server the company controls is what makes source-aware caching and test selection possible. Expect the test analytics to grow toward selecting which tests to run, not only how to split them.
Fission
0.0INFRA · APIS
Fission's release feed carries only RC tags, and none of them say what shipped
◆ Current state
Every entry here is a release candidate — v1.22.0-rc1 and rc2, v1.23.0-rc1, v1.25.0-rc1 — with no final release appearing between them, and the version sequence skips 1.24 entirely. The bodies are whatever the tagging commit said, so what reaches this feed is a dependabot bump, a CLI tool-version refresh, a codegen sync explicitly labelled as having no functional change, and one entry that is nothing but links to an external release-highlights page. The actual release notes live on the project's documentation site, not here.
◆ Where it's heading
What can be read from these tags is infrastructure maintenance rather than product direction: Go dependency updates, helm and kind and skaffold and cosign version refreshes, and regenerated swagger and applyconfiguration files kept in sync with CEL and webhook validation comments in the core API types. That last one is the only entry hinting at anything structural — CEL-based validation on the API types implies declarative validation moving into the CRDs — but the commit itself changes only generated output.
◆ Prediction
This feed does not carry enough to predict product direction; until final releases or their notes appear here rather than only candidate tags, any read of where Fission is heading would be guesswork.
Alternatives to Depot and Fission
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 Depot or Fission.
Kaniko
Kaniko's release feed stops dead in June 2024 after a patch that undid its own change
mod_auth_openidc
mod_auth_openidc audited itself, found eight holes, and broke every session on the way out
Antrea
Kubernetes CNI maintaining four release branches at once, mostly to carry CVE fixes back.
KeeWeb
KeePass-compatible password manager frozen mid-patch-run since 2021.
Nebula
Overlay network that rewrote its certificate format, then spent a year fixing what it exposed.
See all Depot alternatives → · See all Fission alternatives →
Recent activity from Depot and Fission
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoDepotmacOS 26 is now the default macOS version for GitHub Actions runners
- 8d agoDepotDepot CI now supports native GitHub stacked pull requests
- 13d agoDepotTest results are now generally available ⚡
- 21d agoDepotAI analysis available for all Depot CI workflows and jobs
- 27d agoDepotSplit CI test suites with historical timing data (beta)
- 1mo agoDepotDepot CI now supports Tailscale
- 2mo agoFissionFission 1.25.0-rc1 tag carries only regenerated codegen output
- 2mo agoFissionFission 1.23.0-rc1 tag carries a CI tool-version refresh
- 7mo agoFissionv1.22.0-rc2
- 9mo agoFissionFission 1.22.0-rc1 tag carries a golang.org/x/net bump
Frequently asked questions
What is the difference between Depot and Fission?
They serve adjacent needs but don't currently overlap on shipped themes. Depot is currently shipping more aggressively (velocity 6.3 vs 0.0), with 1 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Depot better than Fission?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Depot is currently shipping more aggressively (velocity 6.3 vs 0.0), with 1 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to Depot?
Top Depot alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Depot alternatives" section above for the current picks, or visit /alternatives/depot for the full list with editorial commentary on each.
What are the best alternatives to Fission?
Top Fission alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Fission alternatives" section above for the current picks, or visit /alternatives/fission for the full list with editorial commentary on each.