Release discipline matters because national asylum numbers, local authority tables, hotel scrutiny documents, and local public evidence do not all update together.
The diary should tell users what moved, when it moved, and what evidence layer drove the change.
Major model upgrade. Census 2011 DC2101EW (18 groups, observed) replaces NEWETHPOP proportional splitting. MAE improved 2.45 to 1.71pp. Per-LA ethnic migration rates from Census 2021. Scenario selector on every place page. Cost calculator. Backlog clock. Postcode resolver. Grant rate appeal toggle. 25 findings live.
Home Office outcome analysis (Dec 2025) integrated. 103 nationalities with initial + appeal-adjusted grant rates. Average uplift +14.1pp. Iran 67% initial to 85% after appeals. Sri Lanka 27% to 59%.
Empirical TFRs from ONS Linked Births 2024. White British TFR 1.31, Pakistani 2.52. National ASFRs by age band. IMD deprivation fertility gradient 1.66x. 567,460 births analysed.
Year ending December 2025 figures published, including 107,200 people on support and 31,000 in hotels.
Home Affairs Committee report captures the official count of hotels in use as of 5 January 2026.
Latest public local release remained the year ending September 2025, with Glasgow still highest by count.
Average daily hotel cost for 2024/25 published at GBP 5.77 million.