"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"

"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"

ADR-0087 exemption (no-migration-prescription): No metadata moves: no spec key, authorable spelling, object or action definition or stored shape is added, removed, renamed or re-shaped, and no exported declaration is removed or narrowed, so there is nothing for `objectstack migrate meta` to rewrite. What changes is one answer of the `/actions` door: an invocation on an object whose owning package is disabled is refused with the protocol's own `404 OBJECT_PACKAGE_DISABLED`, read through the by-name object read the data verbs' exposure gate already makes. The one function added (`refuseDisabledPackageObject` in `action-execution.ts`) is not published by `index.ts`. The other categories are closed on facts: the package publishes (not unpublished); no ADR-0087 id is named or touched (not registered or already-registered); and nothing exported is removed or narrowed (not runtime-interface-only, type-surface-only or runtime-export-retired).