MAK Immigration Data Observatory: Release 2

Replaced, November 3, 2026. A corrected version is at https://doi.org/10.5281/zenodo.23925594. This version's description and README state the Release 2 approval as a plain fact, give July 6, 2026 as the data date of the build, and state some limits too broadly or with too little detail. The ZIP, the ledger records and the government values did not change. This version stays online for the record. Correction notice, November 3, 2026 (second correction that day; this version replaces 10.5281/zenodo.23911007). What was wrong in version 23911007: in the corrected ledger file and in the copy inside the ZIP, the Francophone Minority Communities study-permit record (study-permit-franco-minority-communities-student-pilot-2026) gives August 25, 2027 as the expiry without saying it applies to Part A only. The source says Parts B and C remain in effect until the revocation or expiry of a companion policy, which expires on November 30, 2032. In the same files, the record sah-refugees-april-23-extension quotes the wrong sentence as its expiry evidence; its expiry date was correctly left blank. The description and README said IRCC revises recent months, and earlier years are revised too. They said MAK-derived or source-trigger-resolved dates and current-state labels appear only on the canonical page, but the ledger files hold 5 effective dates resolved from a policy's signature, and build-time status labels. They said the ledger keeps supersession dates distinct, and it has no supersession date field. They said annual totals are not in the normalized files, and the Express Entry candidates file is annual. Their eTA note did not say that the unit field reads "days", and they had no note on Global Skills Strategy rows, on the separate dates of the PR wait-time column, on program labels, on summing rows that include subtotals, or on the official_change_summary field. What changed: the corrected copy of public-policies-2026-source-page-qa.json now also corrects those two records. Four records now differ from the copy inside the ZIP, and each carries a mak_correction_2026_11_03 object: palestinian-territories-immigration-measures-2026-2 (blank effective and expiry dates; the source states August 1, 2026 and December 30, 2027), soccer-2026-biometrics-exemption (blank signature date; the source states November 24, 2025, amended February 6, 2026), and the two records above. Use this copy instead of the copy inside the ZIP. The README, the checksum file and this description are updated. What did not change: mak-observatory-release2-build.zip is byte for byte the September 9, 2026 build, no government value in the normalized datasets changed, and the expiry date value August 25, 2027 is kept, because the source states it for Part A. MAK Immigration Data Observatory: Release 2 preserves the Release 2 build published by MAK Canadian Immigration Services on September 9, 2026. The package contains normalized CSV and JSON datasets, source receipts and captures, Express Entry round-event history, dated IRCC/CIMM processing and service-standard snapshots, and a bounded 2026 public-policy Change Ledger. Raw captures cover the eight workbooks and 17 policy pages. The Express Entry feed, CIMM pages and policy index are recorded by hash and retrieval date only. Coverage includes study permit holders and prior study-permit/PGWP status to permanent residence from January 2015 to June 2026; new study-permit applications processed/finalized and temporary-resident new applications and extensions processed/finalized (approved, refused or withdrawn; includes study permits, so not additive with the study-permit series) from January 2023 to June 2026; Express Entry round history through round 441 on September 4, 2026, with split identifiers preserved; processing/service-standard snapshots as of January 31 and February 28, 2026; and 17 source-reviewed 2026 public-policy Change Ledger records. Government source values and MAK-derived calculations are labelled separately. Suppressed values are not converted to zero. Partial periods remain partial. Historical Express Entry rounds are not forecasts. Processing snapshots are not interpolated into a continuous series. The Change Ledger keeps listing, signature, effective and expiry dates distinct and records supersession status and source wording separately. The deposited ledger files record source wording and date status at the source-page QA stage. They fill effective dates only where the source states a date or says the policy takes effect on signature, and they label the second kind. Three dates that need a calculation or another source appear only on the canonical page: March 26, 2026, January 16, 2026 and May 7, 2028. The ledger files carry build-time proposed status labels from September 9, 2026. Current states as last rechecked and MAK summaries appear only on the canonical page. In the ledger's official_change_summary field, the first sentence is the source page's heading and the second is a fixed sentence added by MAK's build. IRCC revises its figures, most heavily in recent months but also in earlier years. Between this build (data as of July 6, 2026) and IRCC's later file (data as of September 1, 2026), every month of 2025 in the PR intake Total row changed, and most months of 2023 and 2024 changed by small amounts. June 2026 PR applications received was 19,485 in this build and 30,430 in IRCC's later file. Derived changes in the QA report apply only to this build's data. National total rows are in the raw workbooks, not the normalized files, except the PR Intake file, which includes a Total row: exclude it when summing countries. The monthly files omit annual-total columns. The Express Entry candidates file is annual, plus a January to June 2026 period. The province-based normalized files also contain subtotal rows, such as province_total: filter on row_role before summing. For eTA rows in the processing snapshots, the unit field says days, but the raw values are in minutes: use the raw fields. For Global Skills Strategy rows, the service standard is in the raw field only. In the processing snapshots, the PR wait-time column carries its own date in the source: January 2026 in the March package and February 1, 2026 in the April package. Program labels keep source footnote text and differ between the two snapshots, so match them by hand. "Temporary Resident Visa" appears twice in each snapshot. Professional review provenance: Release 1 taxonomy and limitations were reviewed by Usman Khalil, RCIC R709592, and Omer Khalil, RCIC R710149. Release 2 underlying classifications, methodology and date/status/supersession resolutions were reviewed by Usman Khalil, RCIC R709592, approved September 9, 2026. The Release 2 build files keep their build-time status labels, such as RCIC_REVIEW_PENDING and NOT_PUBLIC, and do not themselves record that approval. This is descriptive research infrastructure, not individualized immigration advice, a prediction tool or government endorsement. Canonical methodology and limitations: https://makimmigration.ca/immigration-data-observatory/.