Bringing the 3D geospatial ecosystem to Unreal Engine
C-Rank Grade: A (Welcoming) - 59/100
External PR Merge Rate: 82%
Response Time: 7d
First Timer Success: 100%
CesiumGS/cesium-unreal has a recorded first-timer success rate of 100.0%. Repositories ranked A typically provide actionable feedback during code reviews and actively nurture new community contributors.
Maintainers in CesiumGS/cesium-unreal respond to incoming external pull requests in approximately 160.2 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 59.4 places CesiumGS/cesium-unreal in the A tier.
The external contributor pull request merge rate for CesiumGS/cesium-unreal is 82.4%, based on public PR activity from non-core contributors.
CesiumGS/cesium-unreal does not currently have active "good first issue" tags indexed, but accepts external contributions through standard GitHub issue tracking.
Active C++ repository in CesiumGS/cesium-unreal with ongoing community development and issue triage.
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/CesiumGS/cesium-unreal?utm_source=github&utm_medium=badge)
Historical health & responsiveness evolution
External PR acceptance
First PR success rate
50% receive response in
90% receive response in
Maintainer review activity heatmap & prime window prediction
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Detected: UTC
Maintainers are most responsive around 20:00 UTC (20:00 UTC in your timezone). Recommended submission window is Monday - Wednesday from 17:00 to 21:00 UTC (17:00 - 21:00 UTC local).
Maintainer Strategy: Maintainer Sweet Spot: PRs under 150 lines merge in ~104 hours (96% approval). Large PRs (>500 lines) take ~769 hours (37% approval). Keep your diff compact for rapid review.
What happened? { "type" : "FeatureCollection", "features" : [ { "type" : "Feature", "id" : 0, "geometry" : { "type": "MultiLineString", "coordinates": [[ [116.4, 39.9], [116.45, 39.85] ],[ [116.45, 39.85], [116.6, 39.7] ]] } ] } Calling the GetObjectAsMultiLineString function to parse the above string caused the editor to crash. Environment Cesium for Unreal version:2.27.0、2.28.0 Unreal Engine Version:5.7、5.8 Operating System: windows11 Reproduction steps UnrealEditor_Core UnrealEditor_CesiumRuntime!UCesiumGeoJsonObjectBlueprintLibrary::GetObjectAsMultiLineString() [D:\dev_ue\sample\CesiumGlobalPawn8\Plugins\Cesiumfo5b7c98b8073cV11\Source\CesiumRuntime\Private\CesiumGeoJsonObject.cpp:329] UnrealEditor_CesiumRuntime!UCesiumGeoJsonObjectBlueprintLibrary::execGetObjectAsMultiLineString() [D:\dev_ue\sample\CesiumGlobalPawn8\Plugins\Cesiumfo5b7c98b8073cV11\Intermediate\Build\Win64\UnrealEditor\Inc\CesiumRuntime\UHT\CesiumGeoJsonObject.gen.cpp:1747] UnrealEditor_CoreUObject UnrealEditor_
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When evaluating whether to contribute to CesiumGS/cesium-unreal, 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 CesiumGS/cesium-unreal acknowledge new external contributions in approximately 6 days+. Out of all submitted pull requests from non-core authors in the last 180-day window, 82.4% were successfully merged into the primary branch.
CesiumGS/cesium-unreal has a recorded first-timer success rate of 100.0%. Repositories ranked Welcoming typically provide actionable feedback during code reviews and actively nurture new community contributors.
The initial maintainer response time averages ~6 days+. 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 59.4 places CesiumGS/cesium-unreal in the Welcoming tier.
The external pull request merge rate is 82.4%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.
CesiumGS/cesium-unreal does not have open beginner labels indexed currently, but external PRs for bugs and documentation improvements are evaluated via normal issue triage.
All metrics displayed for CesiumGS/cesium-unreal 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.