Release record
Release notes
Editorial synthesis with inline references and a source ledger when citations are available.
iOS 9.3.1 was a narrowly scoped maintenance release that corrected apps becoming unresponsive after a user opened links in Safari or other apps.[1]
Source ledger
Sources are linked to the claims they support. Publication and access dates are shown when available.
Apple Support · Apple · 2023-11-06T00:00:00.000Z · iOS 9.3.1 — March 31, 2016
Apple Support · 2026-07-30 · iOS 9.3.1 includes the security content of iOS 9.3
Apple Support · 2026-07-30 · iOS 9.3.1 security content
Apple Support · 2026-07-30 · iOS 9.3.1
Documented & observed
Source-linked features, fixes, known issues, removals, and community-observed behavior recorded across this version’s appearances and verified builds.
Release changes
Features, fixes, removals, and regressions first observed in this release record.
bugFix · fixed
Apple corrected a condition in which opening a link from Safari or another application could make apps unresponsive.
Recorded at Public
Milestones
Every recorded channel appearance in chronological order. Open an appearance for any available build, scope, notes, and sources.
Public release
The public iOS 9.3.1 release corrected application hangs caused by opening links and carried forward the security content of iOS 9.3.
Historical context
Pace, intervals, and duration compared with earlier releases on the same platform.