This page summarises how the Security principle of AIUC-1 has changed across each release transition. Requirements under this principle carry IDs beginning with B (for example B001, B002).
For each transition, the table below shows how many requirements in this principle were unchanged versus changed (split by the nature of the change: editorial, clarification or substantive), and how the count of should and may control activities under those requirements moved. The release type indicates whether the transition was an incremental refresh or a structural rewrite.
| Transition | Release type | Identical | Editorial | Clarification | Substantive | Should / May controls |
|---|---|---|---|---|---|---|
| apr-2026 → jul-2026 | incremental | 9 | 0 | 0 | 0 | 23/14 → 25/17 |
| jan-2026 → apr-2026 | incremental | 7 | 2 | 0 | 0 | 22/12 → 23/14 |
| oct-2025 → jan-2026 | structural | 8 | 0 | 0 | 1 | 28/12 → 22/12 |
Identical / editorial / clarification / substantive counts use the same definitions as on the per-transition pages. Should / may columns show prev → cur totals of normative (should) and informative (may) control activities across all requirements in this principle.