{
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  "title": "fix: only parse valid ISO date strings in DATE_MIDDLEWARE",
  "number": 3335,
  "source": "aidev",
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  "debrief": "Devin opened a fix in marimo-team/marimo so DATE_MIDDLEWARE accepts only strict ISO date strings, stopping version-like strings from being parsed as dates. The change adds 81 lines and removes one across two files, in two commits. It drew one review round with zero change requests and zero review comments, and merged clean after 0.77 hours.",
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  "confidence": "dataset",
  "updated_at": "2026-11-04T03:16:51.487993+00:00",
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  "body_excerpt": "Fixes #3330\n\nAdded strict ISO date string validation in DATE_MIDDLEWARE to prevent incorrect parsing of version-like strings (e.g., \"1.1.1\") as dates. This ensures we maintain consistency with Altair's behavior of treating non-ISO strings as nominal type.\n\nChanges:\n- Added regex validation for ISO d",
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 "repo": {
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  "full_name": "marimo-team/marimo",
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 "related": [
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   "agent": "devin",
   "state": "merged",
   "title": "Add test coverage for marimo/_save/loaders module",
   "number": 4055,
   "outcome": "merged_clean",
   "index_ok": true,
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   "merged_at": "2025-03-11T02:39:22+00:00",
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   "state": "merged",
   "title": "Add tests for file overwrite confirmation",
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   "deletions": 35,
   "merged_at": "2025-03-10T20:35:05+00:00",
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   "hours_to_merge": 52.68
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   "state": "closed",
   "title": "Add Python 3.13 support",
   "number": 4014,
   "outcome": "burn",
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   "additions": 93,
   "deletions": 31,
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   "opened_at": "2025-03-06T23:58:03+00:00",
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 ],
 "pr_url": "https://github.com/marimo-team/marimo/pull/3335",
 "page": "https://agentriders.com/logs/marimo-team/marimo/3335/"
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