Now analyzing 5 releases: 4.2.0, 4.2.3, 4.2.4, 4.2.5, 4.2.6

Key findings with 4.2.6 included:
- Haskell now shows 509.5% variance (21s → 128s)
- V shows 418.2% variance (22s → 114s)
- Elixir remains highly variable at 425.0% (20s → 105s)
- Average duration for 4.2.6: 54s (improvement from 4.2.5's 67s)
- Still shows non-deterministic scheduling patterns

Updated charts reflect 5-release trend analysis.