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Release record

tvOS 15.5

Full article
Public release
Recorded milestones
6
Beta cycle
41d
Average interval
8d
Public release
May 16, 2022

Release notes

Overview

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

Release overview

tvOS 15.5 was released on May 16, 2022. Apple supplied no named consumer feature list, describing the update only as general performance and stability improvements.[1][2]

Documented security and source gap

The version-specific advisory records fixes in AppleAVD, AuthKit, video encoding, image handling, the kernel, code-signature validation, WebKit, and Wi-Fi; Apple said one AppleAVD issue may have been actively exploited. The archive adds no undocumented-change claims.[3][2]

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 15.5

    Apple Support · Apple · 2022-05-16T00:00:00.000Z · tvOS 15.5 — Released May 16, 2022

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

    Apple Support · Apple · 2026-07-29 · tvOS 15.5

    Back to text ↑
  3. About the security content of tvOS 15.5

    Apple Support · Apple · 2022-05-16T00:00:00.000Z · AppleAVD; AuthKit; AVEVideoEncoder; ImageIO; Kernel; Security; WebKit; Wi-Fi

    Back to text ↑
  4. About the security content of tvOS 15.5

    Apple Support · Apple · 2022-05-16T00:00:00.000Z · Released May 16, 2022

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 15.5 security repairs

documentedconfirmed

Apple documented a broad security update and said a patched AppleAVD out-of-bounds write issue may have been actively exploited.

Recorded at Public

  1. [1] About the security content of tvOS 15.5 · AppleAVD; AuthKit; AVEVideoEncoder; ImageIO; Kernel; Security; WebKit; Wi-Fi

enhancement · changed

General performance and stability improvements

documentedconfirmed

The consumer note establishes maintenance work but does not provide enough first-party detail to split it into narrower changes.

Recorded at Public

  1. [1] About Apple TV 4K and Apple TV HD software updates · tvOS 15.5

Milestones

Release history

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

  2. +14 days
  3. +7 days
  4. +7 days
  5. +9 days
  6. +4 days

    Public release

    Public

    Full articleEditorially verified

    tvOS 15.5 reached the public channel on May 16, 2022 as a maintenance release with general performance and stability work and a broad version-specific security update.

    Availability
    available
    Sources
    3 linked
    Open this appearance

Historical context

Cycle comparison

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

Historical avg for .5 releases

54 days, 6.3 milestones

Based on 4 previous tvOS .5 releases

Cycle vs. platform average

41d (avg: 58d)

17 days shorter than the tvOS average

Duration ranking

#35 of 50

Middle of the pack tvOS beta cycles

Longest gap in this cycle

14 days

Between Beta 1 and Beta 2

Previous .5 releases (tvOS)

Previous comparable tvOS releases
VersionYearCycleMilestonesAvg. Interval
tvOS 26.5202642d68d
tvOS 14.5202184d714d
tvOS 13.4.5202050d513d
tvOS 11.2.5201841d77d

Scroll horizontally to compare every historical field.

Official release notes