Release Readiness & Deployment Risk Scoring

Helix Systems — 34 Services — Real-time Release Gating

Goal CFR
< 3.0%
Readiness Score
72
Target: ≥80
Open Sev1-2 Defects
8
▲ +3 vs last week
Coverage Δ
-4.2pp
Below baseline
Stale Flags
28%
12 of 43 flags
Drift Index
12
3 services diverged
Change Failure Rate
4.8%
▼ -1.4pp vs Q3

Release Readiness Composite

Weighted: Defects 30% · Coverage 25% · Flags 20% · Drift 15% · Blocker 10%

Risk Factor Contributions

Change Failure Rate vs Readiness Score (Last 12 Releases)

Correlation: r = -0.82 (strong inverse relationship)

Service × Release Risk Heatmap

R-24.11
R-24.10
R-24.09
R-24.08
R-24.07
R-24.06
payments-worker
48
62
71
85
88
82
auth-service
89
91
87
74
86
90
notification-hub
68
73
81
79
72
84
analytics-pipeline
84
88
92
86
89
76
user-profile-api
77
83
80
85
78
81
search-indexer
91
87
89
93
90
88
≥80 Ready
60-79 Caution
<60 Block

Release Candidate Checklist — R-24.11 (Dec 15)

Service Readiness Open Sev1-2 Coverage Δ Stale Flags Drift Gate Status
payments-worker 48 7 -6.8pp 41% 4 BLOCKED
notification-hub 68 1 -2.1pp 22% 3 REVIEW
user-profile-api 77 0 -1.4pp 12% 2 REVIEW
auth-service 89 0 +0.3pp 8% 0 APPROVED
analytics-pipeline 84 0 +1.2pp 15% 1 APPROVED
search-indexer 91 0 +2.1pp 5% 0 APPROVED

Test Coverage Delta vs 30-Day Post-Release Incidents

Each point represents one service release (last 12 releases across 6 services)

Release Timeline — Last 90 Days

Dec 15
R-24.11 Gate Review
1 service blocked (payments-worker), 2 under review
PENDING
Nov 28
R-24.10 Deployment
6 services released, 0 incidents in 7 days
SUCCESS
Nov 14
R-24.09 Deployment
5 services released, 1 P2 incident (auth-service)
INCIDENT
Oct 31
R-24.08 Deployment
6 services released, 0 incidents
SUCCESS
Oct 17
R-24.07 Rollback
payments-worker rollback due to runtime errors (readiness was 62)
ROLLBACK