Hotjar
Hotjar's update feed stops in April 2025 — the arc it captures ended mid-sentence.
Comparison · Infra & APIs
Quay vs Spacelift
A side-by-side editorial comparison of Quay and Spacelift — release velocity, themes, recent moves, and the top alternatives to consider.
Quay vs Spacelift: at a glance
What is Quay?
Quay ships nothing but CVE remediation, mirrored across two supported branches
Every entry in Quay's recent history is a security maintenance release, and they arrive as coordinated pairs — a 3.10.x and a 3.12.x tag cut hours apart carrying the same fixes cherry-picked to each branch. The content is dependency remediation against tracked advisories plus two SSRF hardening fixes, one in proxy cache upstream registry configuration and one in repository mirroring sources. No feature work appears in the window.
What is Spacelift?
Spacelift's AI stopped explaining infrastructure and started deploying it.
The dated window ends in March with Spacelift Intelligence, first-class Terragrunt support, OIDC subject claim customisation and a self-service Templates release. Everything since sits in undated rows and is the more consequential half: a remote MCP server in May, SCIM 2.0 provisioning in June, and in July the ability to ask Intelligence to deploy a module by name, resolved against the Module Registry. An August notice warns that the API will start returning HTTP 500 on internal errors instead of 200.
Quay vs Spacelift: editorial side-by-side
Quay
5.0INFRA · APIS
Quay ships nothing but CVE remediation, mirrored across two supported branches
◆ Current state
Every entry in Quay's recent history is a security maintenance release, and they arrive as coordinated pairs — a 3.10.x and a 3.12.x tag cut hours apart carrying the same fixes cherry-picked to each branch. The content is dependency remediation against tracked advisories plus two SSRF hardening fixes, one in proxy cache upstream registry configuration and one in repository mirroring sources. No feature work appears in the window.
◆ Where it's heading
This is a registry in pure maintenance posture on its long-lived branches, with the release process itself automated down to changelog-bump commits. The recurring SSRF fixes across proxy cache and mirroring suggest a deliberate sweep through the code paths that fetch from upstream registries rather than isolated reports. Feature development, if it is happening, is landing on a branch this feed does not cover.
◆ Prediction
Expect the paired-branch cadence to continue at roughly the rate advisories land against the bundled Python and npm dependencies. The SSRF sweep looks close to complete, having now covered both proxy cache and mirroring.
Spacelift
0.0INFRA · APIS
Spacelift's AI stopped explaining infrastructure and started deploying it.
◆ Current state
The dated window ends in March with Spacelift Intelligence, first-class Terragrunt support, OIDC subject claim customisation and a self-service Templates release. Everything since sits in undated rows and is the more consequential half: a remote MCP server in May, SCIM 2.0 provisioning in June, and in July the ability to ask Intelligence to deploy a module by name, resolved against the Module Registry. An August notice warns that the API will start returning HTTP 500 on internal errors instead of 200.
◆ Where it's heading
The arc is easy to trace: Intent opened to everyone in December, Intelligence launched in March, an MCP server exposed the platform to outside assistants in May, and by July the AI is performing deployments rather than describing them. Running underneath is the governance work that makes that defensible — module sharing permissions, OIDC claims, SCIM — because an agent that can deploy is only sellable if the registry and the identity provider bound what it can reach. Terragrunt support and the plan-policy cleanup show the core IaC engine still being maintained rather than neglected for the AI work.
◆ Prediction
Deployment by name is the narrow case; the obvious next step is Intent handling multi-stack changes with policy checks in the loop, and the permission model being extended to describe what the AI specifically is allowed to deploy rather than what a user is.
Alternatives to Quay and Spacelift
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 Quay or Spacelift.
Tailscale
Tailscale is turning the tailnet into something you provision by API, not configure by hand.
Merge
Merge is becoming the governance layer for agent tool access, not just a unified data API.
Daytona
Ten releases in a month, all pointed at making agent sandboxes safe to run in production.
Dashy
After the 4.5.0 drag-and-drop release, Dashy has settled into translations and dependency patches
Jackett
Jackett ships daily, and every release is tracker definitions chasing sites that moved
See all Quay alternatives → · See all Spacelift alternatives →
Recent activity from Quay and Spacelift
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 14h agoQuayv3.12.21 patches six advisories and blocks SSRF in mirroring
- 16h agoQuayv3.10.25 carries the same advisory fixes to the 3.10 branch
- 6d agoSpaceliftAPI will return HTTP 500 on internal errors instead of 200
- 20d agoQuayv3.12.20 bumps Go and blocks SSRF in proxy cache config
- 26d agoQuayv3.10.24 backports the Go bump and proxy cache SSRF fix
- 1mo agoSpaceliftAsk Spacelift Intelligence to deploy a module by name ⚡
- 1mo agoQuayv3.10.23 clears PyJWT, urllib3 and shell-quote advisories
- 1mo agoQuayv3.12.19 clears the same four dependency advisories
- 2mo agoSpaceliftSCIM provisioning available in Spacelift!
- 2mo agoSpaceliftLearning Certificates now available in Spacelift!
- 2mo agoSpaceliftAnnouncing the Spacelift Remote MCP Server!
- 4mo agoSpaceliftLaunchpad Learn: Structured hands-on training for Spacelift
Frequently asked questions
What is the difference between Quay and Spacelift?
They serve adjacent needs but don't currently overlap on shipped themes. Quay is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 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 Quay better than Spacelift?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Quay is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 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 Quay?
Top Quay alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Quay alternatives" section above for the current picks, or visit /alternatives/quay for the full list with editorial commentary on each.
What are the best alternatives to Spacelift?
Top Spacelift alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Spacelift alternatives" section above for the current picks, or visit /alternatives/spacelift for the full list with editorial commentary on each.