Version RecordIndependent release archive
Menu

Release record

tvOS 12.1.1

Full article
Public release
Recorded milestones
5
Beta cycle
35d
Average interval
9d
Public release
Dec 5, 2018

Release notes

Overview

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

Release overview

tvOS 12.1.1 was released on December 5, 2018 with general performance and stability improvements plus security repairs across wireless, disk images, the kernel, configuration profiles, and WebKit.[1][2]

Evidence boundary

Apple's consumer history names no individual ordinary change for 12.1.1. The page preserves that limit and does not import changes from 12.1.2 or later.[3][4]

Source ledger

References

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

  1. About the security content of tvOS 12.1.1

    Apple Support · Apple · 2018-12-05T00:00:00.000Z · Released December 5, 2018

    Back to text ↑
  2. About Apple TV 4K and Apple TV HD software updates

    Apple Support · Apple · 2026-07-29 · tvOS 12.1.1

    Back to text ↑
  3. About the security content of tvOS 12.1.1

    Apple Support · Apple · 2018-12-05T00:00:00.000Z · tvOS 12.1.1 security content

    Back to text ↑
  4. About Apple TV 4K and Apple TV HD software updates

    Apple Support · Apple · 2026-07-29 · tvOS 12.1.1 through tvOS 12.1.2

    Back to text ↑

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.

security · fixed

tvOS 12.1.1 security repairs

documentedconfirmed

Apple's advisory records privilege, code-execution, information-disclosure, denial-of-service, certificate-validation, and web-processing fixes.

Recorded at Public

  1. [1] About the security content of tvOS 12.1.1 · Airport; Disk Images; Kernel; Profiles; WebKit

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. +14 days
  5. +6 days

    Public release

    Public

    Full articleEditorially verified

    tvOS 12.1.1 reached the public channel on December 5, 2018 with general performance and stability improvements and version-specific security repairs.

    Availability
    available
    Sources
    3 linked
    Open this appearance

Historical context

Cycle comparison

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

Cycle vs. platform average

35d (avg: 59d)

24 days shorter than the tvOS average

Duration ranking

#43 of 50

Middle of the pack tvOS beta cycles

Longest gap in this cycle

14 days

Between Beta 3 and Beta 4

Official release notes