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Release record

tvOS 12.3

Full article
Public release
Recorded milestones
5
Beta cycle
47d
Average interval
12d
Public release
May 13, 2019

Release notes

Overview

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

Release overview

tvOS 12.3 was released on May 13, 2019 with a redesigned Apple TV app that unified viewing, channels, store access, and recommendations, plus performance, stability, and security work.[1][2]

Evidence boundary

Apple noted that the TV app and its individual features were not available in every country or region. The article describes the documented product design without assuming universal service availability.[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 12.3

    Apple Support · Apple · 2019-05-13T00:00:00.000Z · Released May 13, 2019

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

    Apple Support · Apple · 2026-07-29 · tvOS 12.3

    Back to text ↑
  3. About the security content of tvOS 12.3

    Apple Support · Apple · 2019-05-13T00:00:00.000Z · tvOS 12.3 security content

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

    Apple Support · Apple · 2026-07-29 · tvOS 12.3; regional availability note

    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.

enhancement · changed

Redesigned Apple TV app

documentedconfirmed

tvOS 12.3 introduced a new TV app structure intended to serve as one viewing hub across personal libraries, channels, the iTunes Store, and recommendations.

Recorded at Public

  1. [1] About Apple TV 4K and Apple TV HD software updates · tvOS 12.3 — Apple TV app

security · fixed

tvOS 12.3 security repairs

documentedconfirmed

The release repaired vulnerabilities across privileged file access, Bluetooth, audio and disk-image parsing, the kernel, messaging, and WebKit.

Recorded at Public

  1. [1] About the security content of tvOS 12.3 · AppleFileConduit; Bluetooth; CoreAudio; Disk Images; Kernel; Mail; Messages; WebKit

Milestones

Release history

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

  2. +12 days
  3. +14 days
  4. +8 days
  5. +13 days

    Public release

    Public

    Full articleEditorially verified

    tvOS 12.3 reached the public channel on 2019-05-13. This article records Apple's version-labeled feature or maintenance notes and the accompanying first-party security record.

    Availability
    available
    Sources
    6 linked
    Open this appearance

Historical context

Cycle comparison

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

Historical avg for .3 releases

43 days, 5.5 milestones

Based on 4 previous tvOS .3 releases

Cycle vs. platform average

47d (avg: 58d)

11 days shorter than the tvOS average

Duration ranking

#28 of 50

Middle of the pack tvOS beta cycles

Longest gap in this cycle

14 days

Between Beta 2 and Beta 3

Previous .3 releases (tvOS)

Previous comparable tvOS releases
VersionYearCycleMilestonesAvg. Interval
tvOS 15.3202240d413d
tvOS 14.3202032d66d
tvOS 13.3201935d59d
tvOS 11.3201864d711d

Scroll horizontally to compare every historical field.

Official release notes