GravityKit
GravityKit ships weekly across a whole plugin suite, with an MCP server now part of the lineup.
A side-by-side editorial comparison of Nautobot and Heroku — release velocity, themes, recent moves, and the top alternatives to consider.
| Feature | Nautobot | Heroku |
|---|---|---|
| Sector | Infra & APIs | DevOps, Infra & APIs |
| Velocity score | 5.0 | 5.0 |
| Sparks · 30d | 0 | 0 |
| Top themes | network source of truth, security advisories, breaking api changes, dual branch | managed postgres, runtime upkeep, deprecation cadence, buildpacks |
| Last editorial update | 2h ago | 2h ago |
| Website | Visit → | Visit → |
A security advisory cycle forced Nautobot to break its REST API on both supported branches at once.
3.2.0 and 2.4.38 shipped the same day in late July carrying CVE fixes that the notes state introduce breaking changes, most often surfacing as unexpected TypeError, AttributeError or KeyError for REST and GraphQL clients. The central change, from advisory GHSA-h8rv-c7c8-cvmx, is that the REST API now enforces object-level view permissions when traversing to related objects via ?depth — beyond depth 1 a related object the caller cannot view is reduced to id, object_type, url and display instead of being serialised in full. 3.2.0 also makes job_kwargs required for create_schedule, enqueue_job, execute_job and run_job_for_testing, with a temporary fallback that warns. 3.1.8 closed an authorization bypass letting a user self-approve a workflow, and 2.4.37 fixed stored XSS in Relationship and Module Family fields.
Runtime bumps fill the changelog; the managed Postgres line is where Heroku actually moves.
Day to day, Heroku's changelog is language-runtime upkeep: Python, Node, Ruby, Go, PHP, JRuby and .NET point releases, buildpack refreshes for Pipenv and uv, and periodic rebuilds of the Heroku-22, Heroku-24 and Heroku-26 stacks now maintained in parallel. The exception is the managed database. Postgres 18 entered beta on 14 July and reached general availability on 4 August, and Heroku deprecated Postgres 15 on the same day.
3.2.0 and 2.4.38 shipped the same day in late July carrying CVE fixes that the notes state introduce breaking changes, most often surfacing as unexpected TypeError, AttributeError or KeyError for REST and GraphQL clients. The central change, from advisory GHSA-h8rv-c7c8-cvmx, is that the REST API now enforces object-level view permissions when traversing to related objects via ?depth — beyond depth 1 a related object the caller cannot view is reduced to id, object_type, url and display instead of being serialised in full. 3.2.0 also makes job_kwargs required for create_schedule, enqueue_job, execute_job and run_job_for_testing, with a temporary fallback that warns. 3.1.8 closed an authorization bypass letting a user self-approve a workflow, and 2.4.37 fixed stored XSS in Relationship and Module Family fields.
Nautobot is running two supported lines in parallel and treating them as equals: 3.2.2 and 2.4.39 both shipped on 3 August with the same many-to-many change-logging fix. The security work in this window is not incidental — the advisories cluster around authorization boundaries that the API had been permissive about, and closing them meant accepting a compatibility break rather than preserving behaviour. The documentation change acknowledging that managing a Git repository grants arbitrary code execution on the worker is the same instinct applied to expectations rather than code.
The job_kwargs fallback is explicitly temporary and warns when used, so its removal in a later release is the stated next step. Expect the paired 2.4.z and 3.x releases to continue landing together.
Day to day, Heroku's changelog is language-runtime upkeep: Python, Node, Ruby, Go, PHP, JRuby and .NET point releases, buildpack refreshes for Pipenv and uv, and periodic rebuilds of the Heroku-22, Heroku-24 and Heroku-26 stacks now maintained in parallel. The exception is the managed database. Postgres 18 entered beta on 14 July and reached general availability on 4 August, and Heroku deprecated Postgres 15 on the same day.
The platform is running two clocks at once. One is a near-daily maintenance cadence that keeps supported runtimes current and rarely changes behaviour. The other is a deliberate, publicly staged lifecycle for the data services, where a major version is walked from beta to GA and the version three releases behind is retired in the same announcement. Kafka is on the same track, with 2.8 and 3.7 deprecations and a revised version-support policy posted in late July.
Given that Postgres 15's deprecation was announced alongside 18's general availability, the next concrete step is a published end-of-life date and forced-upgrade window for Postgres 15. The runtime bumps will continue at their current weekly rhythm.
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with Nautobot.
GravityKit ships weekly across a whole plugin suite, with an MCP server now part of the lineup.
After a two-year redesign, LibreSpeed is adding tests instead of polishing pixels.
Gatekeeper grew a package manager for policies — and a benchmark to prove they are not too slow.
GoCD's changelog is one maintainer keeping a 2010s CI server running on current runtimes.
Incus settled its 7.0 LTS, then went straight back to a monthly feature cadence.
Firecracker's microVMs can now grow and shrink devices while running.
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with Heroku.
immudb made itself speak Postgres — while its announced v2 rearchitecture sits unfinished.
Sonic is shipping tokenizer control and a dependency diet, two tags at a time.
Zalando's Postgres Operator finally shipped v2 — and had to reissue it within a day.
A graph database spending its releases on query-language parity and traversal speed.
Manticore tags a GitHub release per commit, so the real news is one entry in five.
PostgreSQL 19 support lands, and pgBackRest stops letting you run most commands as root.
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
They serve adjacent needs but don't currently overlap on shipped themes. Nautobot and Heroku 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.
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Nautobot and Heroku 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.
Top Nautobot alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Nautobot alternatives" section above for the current picks, or visit /alternatives/nautobot for the full list with editorial commentary on each.
Top Heroku alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Heroku alternatives" section above for the current picks, or visit /alternatives/heroku for the full list with editorial commentary on each.