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Release record

iOS 12.1.1

Full article
Public release
Recorded milestones
4
Beta cycle
35d
Average interval
12d
Public release
Dec 5, 2018

Release notes

Overview

Editorial synthesis with inline references and a source ledger when citations are available.

iOS 12.1.1 expanded notification previews on iPhone XR, eSIM carrier support, FaceTime camera and Live Photo controls, real-time text calling, and stability for dictation and VoiceOver.[1]

Apple also fixed Face ID, voicemail, Messages keyboard, Voice Memos, and time-zone problems; its developer note added a Certificate Transparency requirement for newly issued publicly trusted TLS certificates, while the security bulletin covered additional component fixes.[2][3][4]

Source ledger

References

Sources are linked to the claims they support. Publication and access dates are shown when available.

  1. About iOS 12 Updates

    Apple Support · 2026-07-29 · iOS 12.1.1 — Features and improvements

    Back to text ↑
  2. About iOS 12 Updates

    Apple Support · 2026-07-29 · iOS 12.1.1 — Bug fixes

    Back to text ↑
  3. About the Security Content of iOS 12.1.1

    Apple Support · 2026-07-29 · iOS 12.1.1 security content

    Back to text ↑
  4. iOS 12.1.1 Release Notes

    Apple Developer · 2026-07-29 · Security — New Features

    Back to text ↑
  5. iOS 12.1.1 Release Notes

    Apple Developer · 2026-07-29 · iOS 12.1.1 Release Notes

  6. About iOS 12 Updates

    Apple Support · 2026-07-29 · iOS 12.1.1

  7. About the Security Content of iOS 12.1.1

    Apple Support · 2026-07-29 · Released December 5, 2018

Documented & observed

Changes in this version

Source-linked features, fixes, known issues, removals, and community-observed behavior recorded across this version’s appearances and verified builds.

Release changes

Changed in this release

Features, fixes, removals, and regressions first observed in this release record.

enhancement · changed

RTT calling and accessibility stability

documentedconfirmed

The update enabled RTT over Wi-Fi calling on iPad and iPod touch and improved stability for dictation and VoiceOver.

Recorded at Public

  1. [1] About iOS 12 Updates · iOS 12.1.1 — RTT, dictation, and VoiceOver

enhancement · changed

FaceTime camera switching and Live Photos

documentedconfirmed

Participants could switch between rear and front cameras with one tap and capture a Live Photo during an individual FaceTime call.

Recorded at Public

  1. [1] About iOS 12 Updates · iOS 12.1.1 — FaceTime

bugFix · fixed

Face ID, voicemail, Messages, and Voice Memos fixes

documentedconfirmed

Apple addressed temporary Face ID unavailability, visual voicemail download failures, missing Chinese or Japanese keyboard suggestions in Messages, blocked Voice Memos iCloud uploads, and stale time zones.

Recorded at Public

  1. [1] About iOS 12 Updates · iOS 12.1.1 — Bug fixes

enhancement · changed

HomePod regional support and Group FaceTime indicators

documentedconfirmed

The companion HomePod portion added regional support for China mainland and Hong Kong and used the device LEDs during Group FaceTime sessions.

Recorded at Public

  1. [1] About iOS 12 Updates · iOS 12.1.1 — HomePod

compatibility · changed

Expanded eSIM carrier support

documentedconfirmed

Apple expanded eSIM carrier availability for iPhone XR, XS, and XS Max.

Recorded at Public

  1. [1] About iOS 12 Updates · iOS 12.1.1 — Dual SIM with eSIM

feature · introduced

iPhone XR Haptic Touch notification previews

documentedconfirmed

Notification previews became available through a Haptic Touch press on iPhone XR.

Recorded at Public

  1. [1] About iOS 12 Updates · iOS 12.1.1 — Haptic Touch notification preview

security · introduced

TLS Certificate Transparency requirement

documentedconfirmed

iOS 12.1.1 required publicly trusted TLS server-authentication certificates issued after October 15, 2018 to meet Apple’s Certificate Transparency policy before the platform would evaluate them as trusted.

Recorded at Public

  1. [1] iOS 12.1.1 Release Notes · Security — New Features

Milestones

Release history

Every recorded channel appearance in chronological order. Open an appearance for any available build, scope, notes, and sources.

  2. +7 days
  3. +8 days
  4. +20 days

    Public release

    Public

    Source-linked recordEditorially verified

    The public iOS 12.1.1 release expanded notification, eSIM, FaceTime, RTT, and HomePod behavior, corrected several reliability problems, and introduced a stricter TLS certificate policy.

    Availability
    available
    Sources
    9 linked
    Open this appearance

Historical context

Cycle comparison

Pace, intervals, and duration compared with earlier releases on the same platform.

Historical avg for .1.1 releases

5 days, 2.0 milestones

Based on 1 previous iOS .1.1 releases

Cycle vs. platform average

35d (avg: 58d)

23 days shorter than the iOS average

Duration ranking

#76 of 92

Middle of the pack iOS beta cycles

Longest gap in this cycle

20 days

Between Beta 3 and Public

Previous .1.1 releases (iOS)

Previous comparable iOS releases
VersionYearCycleMilestonesAvg. Interval
iOS 6.1.120135d25d

Scroll horizontally to compare every historical field.

Official release notes