OCI Runtime, Image and Distribution Spec in Rust
C-Rank Grade: B (Solid) - 47/100
External PR Merge Rate: 78%
Response Time: <1h
First Timer Success: -
youki-dev/oci-spec-rs has a recorded first-timer success rate of 0.0%. Repositories ranked B typically provide actionable feedback during code reviews and actively nurture new community contributors.
Maintainers in youki-dev/oci-spec-rs respond to incoming external pull requests in approximately 0.5 hours on average. Keeping PRs focused on single tasks and ensuring tests pass helps maintainers review faster.
The C-Rank™ system evaluates GitHub projects on a 0–100 scale using real data: PR merge rates, review turnaround time, active maintainer presence, and first-time contributor success. A score of 46.7 places youki-dev/oci-spec-rs in the B tier.
The external contributor pull request merge rate for youki-dev/oci-spec-rs is 77.8%, based on public PR activity from non-core contributors.
youki-dev/oci-spec-rs currently has 1 active issue(s) tagged with beginner-friendly labels like "good first issue", "beginner", or "up-for-grabs".
Active maintainer team in youki-dev/oci-spec-rs welcoming community pull requests and bug fixes.
Average Response Latency
Tracks hours until a maintainer leaves a review, comment, or PR response.
External Acceptance Rate
Percentage of community pull requests successfully merged into main.
First PR Conversion
Rate at which developers submitting their first repository PR succeed.
Show contributors that your repository actively reviews and merges external pull requests.
[](https://getmerged.abhishekco.de/youki-dev/oci-spec-rs?utm_source=github&utm_medium=badge)
Historical health & responsiveness evolution
External PR acceptance
First PR success rate
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90% receive response in
Maintainer review activity heatmap & prime window prediction
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Detected: UTC
Maintainers are most responsive around 11:00 UTC (11:00 UTC in your timezone). Recommended submission window is Tuesday - Thursday from 11:00 to 15:00 UTC (11:00 - 15:00 UTC local).
Maintainer Strategy: Maintainer Sweet Spot: PRs under 150 lines merge in ~4 hours (96% approval). Large PRs (>500 lines) take ~2 hours (35% approval). Keep your diff compact for rapid review.
Description While runc currently supports ociVersion v1.3.0, both youki and oci-spec-rs only support ociVersion v1.1.0. youki has been actively enhancing its compatibility with runc. We plan to update oci-spec-rs incrementally. ToDo I intend to implement the unsupported features listed below. v1.2.1 Add missing Seccomp Architectures (SCMP_ARCH): #311 The following architectures are currently missing and need to be supported: SCMP_ARCH_PARISC: 32-bit PA-RISC SCMP_ARCH_PARISC64: 64-bit PA-RISC SCMP_ARCH_LOONGARCH64: 64-bit LoongArch SCMP_ARCH_M68K: 32-bit Motorola 68000 SCMP_ARCH_SH: 32-bit SuperH SCMP_ARCH_SHEB: 32-bit SuperH big-endian Implement Windows CPU Affinity Support: #312 oci-spec-rs is currently missing the Windows CPU Group Affinity features. I will add these to achieve parity with oci-spec-go. Add WindowsCPUGroupAffinity struct Add WindowsCPUResources.Affinity field Address LinuxMemory.Kernel Deprecation: #313 Update LinuxMemory.Kernel to handle its deprecated stat
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When evaluating whether to contribute to youki-dev/oci-spec-rs, response velocity and maintainer engagement are crucial. GetMerged continuously tracks pull request trajectories, first-comment latency, and code review rounds to help developers avoid submitting pull requests to backlogged repositories.
Currently, maintainers of youki-dev/oci-spec-rs acknowledge new external contributions in approximately <1 hour. Out of all submitted pull requests from non-core authors in the last 180-day window, 77.8% were successfully merged into the primary branch.
youki-dev/oci-spec-rs has a recorded first-timer success rate of 0.0%. Repositories ranked Solid typically provide actionable feedback during code reviews and actively nurture new community contributors.
The initial maintainer response time averages ~<1 hour. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.
The C-Rank™ index scores repositories on a 0 to 100 scale using an objective formula: external PR merge rates, initial response speed, active maintainer count, and first-time contributor retention. A score of 46.7 places youki-dev/oci-spec-rs in the Solid tier.
The external pull request merge rate is 77.8%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.
Yes, youki-dev/oci-spec-rs currently has 1 active issue(s) tagged with beginner-friendly labels. You can inspect these directly from the repository issues tab.
All metrics displayed for youki-dev/oci-spec-rs are automatically retrieved via the public GitHub API and recalculated daily. Insider pull requests submitted by repository owners or organization members are excluded from merge rate calculations to preserve objective external contributor statistics.