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  "state": "merged",
  "title": "Implement lazy loading for RegistryInstance to improve latency in operations where the registry does not need to be read",
  "number": 4304,
  "source": "aidev",
  "commits": 1,
  "debrief": "Claude Code took on a perf task in JuliaLang/Pkg.jl: lazy loading for RegistryInstance, so operations that never read the registry run faster. The change touched one file, 59 additions and 29 deletions, in one commit. The pull request merged clean after 11.27 hours, with no review rounds, no change requests, and no review comments.",
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  "body_excerpt": "👨 \n\nBefore:\n\n```\njulia> @time Pkg.instantiate()\n  0.390297 seconds (1.95 M allocations: 148.381 MiB, 16.29% gc time, 31.03% compilation time: 68% of which was recompilation)\n```\n\nAfter:\n```\njulia> @time Pkg.instantiate()\n  0.161872 seconds (456.14 k allocations: 27.898 MiB, 9.75% gc time, 86.52% com",
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  "owner": "JuliaLang",
  "stars": 680,
  "license": "NOASSERTION",
  "full_name": "JuliaLang/Pkg.jl",
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   "agent": "claude-code",
   "state": "merged",
   "title": "Fix reference_manifest_isolated_test to use temporary directory",
   "number": 4306,
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   "deletions": 18,
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   "hours_to_merge": 2
  },
  {
   "agent": "claude-code",
   "state": "merged",
   "title": "Fix parsing to better handle branch/tag/subdir specifiers in complex URLs and paths",
   "number": 4299,
   "outcome": "merged_clean",
   "index_ok": true,
   "additions": 773,
   "deletions": 308,
   "merged_at": "2025-07-05T07:12:24+00:00",
   "opened_at": "2025-07-03T14:16:59+00:00",
   "task_type": "fix",
   "files_changed": 6,
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