{
  "version": 1,
  "event_id": "evt_7807b86a79876a8d",
  "url": "https://xiyu.news/events/evt_7807b86a79876a8d/",
  "json": "https://xiyu.news/api/events/evt_7807b86a79876a8d.json",
  "type": "product_release",
  "status": "resolved",
  "category": "technology",
  "title": {
    "zh": "Polars 2.0预发布",
    "en": "Pre-Release of Polars 2.0"
  },
  "current_state": {
    "zh": "Polars 2.0 已正式发布，社区讨论其性能、SQL 支持及生产环境使用。",
    "en": "Polars 2.0 has been officially released, with community discussion around performance, new SQL support, and production use."
  },
  "first_seen_at": "2026-09-03T13:36:17.430819+00:00",
  "last_updated_at": "2026-10-06T15:31:12.954674+00:00",
  "last_material_change_at": "2026-10-06T15:31:12.954674+00:00",
  "confidence": 0.75,
  "updates_count": 2,
  "sources_count": 2,
  "entities": [
    "polars",
    "pre",
    "release"
  ],
  "identifiers": [],
  "topics": [
    "data-engineering",
    "dataframe",
    "developer-tools",
    "open-source",
    "pandas",
    "polars",
    "python",
    "rust"
  ],
  "updates": [
    {
      "update_id": "upd_6279bd59217fa8f5",
      "event_id": "evt_7807b86a79876a8d",
      "occurred_at": "2026-09-03T06:59:08Z",
      "published_at": "2026-09-03T06:59:08Z",
      "first_seen_at": "2026-09-03T13:36:17.430819Z",
      "time_precision": "published",
      "update_type": "initial",
      "material_change": true,
      "title_zh": "Polars 2.0预发布",
      "title_en": "Pre-Release of Polars 2.0",
      "what_changed_zh": "Polars 2.0预发布版公布，被称为一个“无聊”的大版本，重点在于设计清理、移除遗留限制，并更改排序稳定性等默认设置。",
      "what_changed_en": "Polars 2.0 pre-release announced as a 'boring' major version focused on design cleanup, removing legacy constraints, and changing defaults such as sort stability.",
      "current_state_zh": "Polars 2.0预发布版公布，被称为一个“无聊”的大版本，重点在于设计清理、移除遗留限制，并更改排序稳定性等默认设置。",
      "current_state_en": "Polars 2.0 pre-release announced as a 'boring' major version focused on design cleanup, removing legacy constraints, and changing defaults such as sort stability.",
      "detailed_summary_zh": "Polars 2.0 pre-release announced as a 'boring' major version focused on design cleanup, removing legacy constraints, and changing defaults such as sort stability.",
      "detailed_summary_en": "Polars 2.0 pre-release announced as a 'boring' major version focused on design cleanup, removing legacy constraints, and changing defaults such as sort stability.",
      "background_zh": "",
      "background_en": "",
      "community_discussion_zh": "",
      "community_discussion_en": "",
      "market_impact_zh": "",
      "market_impact_en": "",
      "importance_score": 7.5,
      "references": [
        {
          "url": "https://news.ycombinator.com/item?id=49546753",
          "title": "Community discussion"
        }
      ],
      "confidence": 0.75,
      "story_ids": [
        "hackernews:story:49546753"
      ],
      "sources": [
        {
          "url": "https://pola.rs/posts/announcing-polars-2/",
          "label": "komape",
          "source_type": "hackernews",
          "official": false
        }
      ]
    },
    {
      "update_id": "upd_c7a6d30d6908fc5d",
      "event_id": "evt_7807b86a79876a8d",
      "occurred_at": "2026-10-06T11:59:01Z",
      "published_at": "2026-10-06T11:59:01Z",
      "first_seen_at": "2026-10-06T15:31:12.954674Z",
      "time_precision": "published",
      "update_type": "resolution",
      "material_change": true,
      "title_zh": "Polars 2.0发布",
      "title_en": "Release of Polars 2.0",
      "what_changed_zh": "Polars 2.0 正式版发布，此前为预发布版本。",
      "what_changed_en": "Polars 2.0 final release is now available, moving beyond the pre-release stage.",
      "current_state_zh": "Polars 2.0 已正式发布，社区讨论其性能、SQL 支持及生产环境使用。",
      "current_state_en": "Polars 2.0 has been officially released, with community discussion around performance, new SQL support, and production use.",
      "detailed_summary_zh": "Polars 2.0 has been released, with the community discussing its performance versus Pandas, DataFusion and DuckDB, its new SQL support, and production use at scale.",
      "detailed_summary_en": "Polars 2.0 has been released, with the community discussing its performance versus Pandas, DataFusion and DuckDB, its new SQL support, and production use at scale.",
      "background_zh": "",
      "background_en": "",
      "community_discussion_zh": "",
      "community_discussion_en": "",
      "market_impact_zh": "",
      "market_impact_en": "",
      "importance_score": 7.0,
      "references": [
        {
          "url": "https://news.ycombinator.com/item?id=49977177",
          "title": "Community discussion"
        }
      ],
      "confidence": 0.95,
      "story_ids": [
        "hackernews:story:49977177"
      ],
      "sources": [
        {
          "url": "https://pola.rs/posts/release-polars-2/",
          "label": "simicd",
          "source_type": "hackernews",
          "official": false
        }
      ]
    }
  ]
}