{
  "id": "IW-RESEARCH-UPDATES",
  "updatedAt": "2026-08-22",
  "policy": "Material factual, methodological, source, and interpretation changes are logged here. Silent substantive corrections are not permitted.",
  "entries": [
    {
      "updateId": "IW-RK26-U-20260813-01",
      "reportId": "IW-RK26",
      "date": "2026-08-13",
      "type": "edition-published",
      "version": "1.0.0",
      "summary": "First public authority edition with methodology, limitations, figures, stable claim identities, and machine-readable source records.",
      "materiality": "publication"
    },
    {
      "updateId": "IW-RK26-U-20260813-02",
      "reportId": "IW-RK26",
      "date": "2026-08-13",
      "type": "edition-corrected",
      "version": "1.1.0",
      "summary": "Corrected six-page annual-packet terminology, semantic figure-caption numbering, Edition metadata, and table pagination without changing stable report or figure identities.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-RK26-U-20260814-03",
      "reportId": "IW-RK26",
      "date": "2026-08-14",
      "type": "edition-corrected",
      "version": "1.2.0",
      "summary": "Added an explicit evidence-base disclosure and clarified that the stable-claim registry is intentionally selective.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-RK26-U-20260822-04",
      "reportId": "IW-RK26",
      "date": "2026-08-22",
      "type": "edition-corrected",
      "version": "1.3.0",
      "summary": "Replaced the superseded service and accreditation endnote with the current private-school identity, Texas accreditation context, official-document scope, parent grading responsibility, and current Grade 8 diploma boundary.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-PB26-U-20260813-01",
      "reportId": "IW-PB26",
      "date": "2026-08-13",
      "type": "edition-published",
      "version": "1.0.0",
      "summary": "First public authority edition with methodology, limitations, figures, stable claim identities, and machine-readable source records.",
      "materiality": "publication"
    },
    {
      "updateId": "IW-PB26-U-20260813-02",
      "reportId": "IW-PB26",
      "date": "2026-08-13",
      "type": "edition-corrected",
      "version": "1.1.0",
      "summary": "Corrected semantic figure-caption numbering, Edition metadata, and table pagination without changing the six-dimension framework or stable report and figure identities.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-PB26-U-20260814-03",
      "reportId": "IW-PB26",
      "date": "2026-08-14",
      "type": "edition-corrected",
      "version": "1.2.0",
      "summary": "Added an explicit evidence-base disclosure and clarified that selected jurisdictions do not constitute a universal ranking.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-PB26-U-20260822-04",
      "reportId": "IW-PB26",
      "date": "2026-08-22",
      "type": "edition-corrected",
      "version": "1.3.0",
      "summary": "Replaced the superseded service and accreditation endnote with the current private-school identity, Texas accreditation context, official-document scope, parent grading responsibility, and current Grade 8 diploma boundary.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-CL26-U-20260813-01",
      "reportId": "IW-CL26",
      "date": "2026-08-13",
      "type": "edition-published",
      "version": "1.0.0",
      "summary": "First public authority edition with methodology, limitations, figures, stable claim identities, and machine-readable source records.",
      "materiality": "publication"
    },
    {
      "updateId": "IW-CL26-U-20260813-02",
      "reportId": "IW-CL26",
      "date": "2026-08-13",
      "type": "edition-corrected",
      "version": "1.1.0",
      "summary": "Corrected the foregone-income formula input and its gross-or-after-tax basis disclosure, plus semantic figure-caption numbering, Edition metadata, and table pagination.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-CL26-U-20260814-03",
      "reportId": "IW-CL26",
      "date": "2026-08-14",
      "type": "edition-corrected",
      "version": "1.2.0",
      "summary": "Reframed the title as a selected-market cost framework, added an explicit evidence-base disclosure, and retained the no-global-average limitation.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-CL26-U-20260822-04",
      "reportId": "IW-CL26",
      "date": "2026-08-22",
      "type": "edition-corrected",
      "version": "1.3.0",
      "summary": "Added the current private-school identity, Texas accreditation context, official-document scope, parent grading responsibility, and current Grade 8 diploma boundary while preserving the report's financial, tax, legal, and educational qualifications.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-TR26-U-20260813-01",
      "reportId": "IW-TR26",
      "date": "2026-08-13",
      "type": "edition-published",
      "version": "1.0.0",
      "summary": "First public authority edition with methodology, limitations, figures, stable claim identities, and machine-readable source records.",
      "materiality": "publication"
    },
    {
      "updateId": "IW-TR26-U-20260813-02",
      "reportId": "IW-TR26",
      "date": "2026-08-13",
      "type": "edition-corrected",
      "version": "1.1.0",
      "summary": "Moved the Pre-K–8 product boundary forward, aligned the Florida source URL, added substantive primary references, and corrected semantic figure captions, Edition metadata, and table pagination.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-TR26-U-20260814-03",
      "reportId": "IW-TR26",
      "date": "2026-08-14",
      "type": "edition-corrected",
      "version": "1.2.0",
      "summary": "Reframed the title as a selected-jurisdiction records guide and made the bounded government, qualification-body, examination, and receiving-institution source set explicit.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-TR26-U-20260822-04",
      "reportId": "IW-TR26",
      "date": "2026-08-22",
      "type": "edition-corrected",
      "version": "1.3.0",
      "summary": "Replaced the superseded service and accreditation endnote with the current institutional scope and added a bounded press brief that preserves the selected-jurisdiction and no-guarantee limitations.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-FL26-U-20260813-01",
      "reportId": "IW-FL26",
      "date": "2026-08-13",
      "type": "edition-published",
      "version": "1.0.0",
      "summary": "First public authority edition with methodology, limitations, figures, stable claim identities, and machine-readable source records.",
      "materiality": "publication"
    },
    {
      "updateId": "IW-FL26-U-20260813-02",
      "reportId": "IW-FL26",
      "date": "2026-08-13",
      "type": "edition-corrected",
      "version": "1.1.0",
      "summary": "Corrected the findings count from eight to ten, plus semantic figure-caption numbering, Edition metadata, and table pagination without changing the evidence conclusions.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-FL26-U-20260814-03",
      "reportId": "IW-FL26",
      "date": "2026-08-14",
      "type": "edition-corrected",
      "version": "1.2.0",
      "summary": "Reframed the report as evidence-bounded, disclosed the mixed and indirect evidence base, and tightened claim classifications without changing the conclusions.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-FL26-U-20260822-04",
      "reportId": "IW-FL26",
      "date": "2026-08-22",
      "type": "edition-corrected",
      "version": "1.3.0",
      "summary": "Added the current private-school identity, Texas accreditation context, official-document scope, parent grading responsibility, and current Grade 8 diploma boundary while preserving the report's educational and jurisdictional qualifications.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-LP26-U-20260813-01",
      "reportId": "IW-LP26",
      "date": "2026-08-13",
      "type": "edition-published",
      "version": "1.0.0",
      "summary": "First public authority edition with methodology, limitations, figures, stable claim identities, and machine-readable source records.",
      "materiality": "publication"
    },
    {
      "updateId": "IW-LP26-U-20260813-02",
      "reportId": "IW-LP26",
      "date": "2026-08-13",
      "type": "edition-corrected",
      "version": "1.1.0",
      "summary": "Moved the Pre-K–8 product boundary forward, reconciled the nine-part evidence taxonomy and four-figure public set, and corrected semantic figure captions, Edition metadata, and table pagination.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-LP26-U-20260814-03",
      "reportId": "IW-LP26",
      "date": "2026-08-14",
      "type": "edition-corrected",
      "version": "1.2.0",
      "summary": "Reframed the title as a selected-jurisdiction benchmark and made clear that the benchmark is an Ivy Waters synthesis rather than a validated global scale.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-LP26-U-20260822-04",
      "reportId": "IW-LP26",
      "date": "2026-08-22",
      "type": "edition-corrected",
      "version": "1.3.0",
      "summary": "Replaced the superseded service and accreditation endnote with the current private-school identity, Texas accreditation context, official-document scope, parent grading responsibility, and current Grade 8 diploma boundary.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-VG26-U-20260813-01",
      "reportId": "IW-VG26",
      "date": "2026-08-13",
      "type": "edition-published",
      "version": "1.0.0",
      "summary": "First public authority edition with methodology, limitations, figures, stable claim identities, and machine-readable source records.",
      "materiality": "publication"
    },
    {
      "updateId": "IW-VG26-U-20260813-02",
      "reportId": "IW-VG26",
      "date": "2026-08-13",
      "type": "edition-corrected",
      "version": "1.1.0",
      "summary": "Reconciled the seven-part decision framework, reduced named-game treatment to bounded study examples, and corrected semantic figure captions, Edition metadata, and table pagination.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-VG26-U-20260814-03",
      "reportId": "IW-VG26",
      "date": "2026-08-14",
      "type": "edition-corrected",
      "version": "1.2.0",
      "summary": "Reframed the report as evidence-bounded, disclosed heterogeneous study designs and populations, tightened claim classifications, and confirmed excluded unsupported statistics remain absent.",
      "materiality": "correction"
    },
    {
      "updateId": "IW-VG26-U-20260822-04",
      "reportId": "IW-VG26",
      "date": "2026-08-22",
      "type": "edition-corrected",
      "version": "1.3.0",
      "summary": "Replaced the superseded service and accreditation endnote with the current institutional scope and removed production-only chart specifications from the reader-facing report while preserving its clinical, legal, and therapeutic qualifications.",
      "materiality": "correction"
    }
  ]
}