Release record

iOS 27.0

Full article
Cycle active
Latest milestone
Beta 4
Last recorded
Jul 20, 2026
Next forecast
Beta 5
Recorded milestones
5

Methodology-backed forecast

Beta 5

Independent estimate

Aug 1, 2026 – Aug 3, 2026

Historical median
Aug 2, 2026
Comparable cycles
12
Label agreement
100%

Calculated from comparable completed cycles. This is not an Apple announcement.

Release notes

Overview

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

This record covers the active iOS 27 cycle through Beta 4. Apple announced broader Siri intelligence, photo tools, parental controls, and performance work for the version, but those plans are not Beta 4 deltas; the next Siri experience was described as arriving later in 2026.[1][2][3]

Apple’s live iOS and iPadOS 27 developer notes contained approximately 85 topic areas and 270 listed items when reviewed on July 29, 2026. The page changes during the beta cycle, so these counts and known-issue states are a dated snapshot.[4]

Source ledger

References

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

  1. iOS 27 Beta 4 (24A5390f)

    Apple Developer · 2026-07-29 · Beta 4 title and build

    Back to text ↑
  2. iOS 27 Preview

    Apple · 2026-07-29 · iOS 27 preview

    Back to text ↑
  3. Apple unveils next generation of Apple Intelligence, Siri AI, and more

    Apple Newsroom · Apple · 2026-06-08T00:00:00.000Z · Siri availability

    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 · changed

Stricter TLS for managed system services

documentedconfirmed

Selected management, enrollment, app-installation, and software-update processes began requiring TLS 1.2 or later with App Transport Security-compatible ciphers and certificates.

Recorded at Beta 1

  1. [1] iOS & iPadOS 27 Beta Release Notes (preserved snapshot) · Network Security — New Features; 176055825

compatibility · introduced

PlayStation Access controller support

documentedconfirmed

iPhone and iPad gained PlayStation Access controller support, including custom input profiles saved on the Apple device.

Recorded at Beta 1

  1. [1] iOS & iPadOS 27 Beta Release Notes (preserved snapshot) · Game Controller — New Features; 168071382

developerApi · introduced

System media-sharing extensions

documentedconfirmed

New frameworks let developers add media-sharing protocols as system extensions and gave media apps a common API for using them.

Recorded at Beta 1

  1. [1] iOS & iPadOS 27 Beta Release Notes (preserved snapshot) · Media Sharing Extensions — New Features; 168722808

developerApi · introduced

Localized Background Assets packs

documentedconfirmed

Background Assets could deliver language-specific asset packs according to the user’s preferred languages, reducing unnecessary app storage.

Recorded at Beta 1

  1. [1] iOS & iPadOS 27 Beta Release Notes (preserved snapshot) · Background Assets — New Features; 163944365

developerApi · introduced

Swift-first MetricKit reporting

documentedconfirmed

MetricKit added Swift-first asynchronous reports, state-aware diagnostics, memory-termination diagnostics, and application-level Metal frame-rate metrics.

Recorded at Beta 1

  1. [1] iOS & iPadOS 27 Beta Release Notes (preserved snapshot) · MetricKit — New Features; 96078210, 159889985, 159890067, 159890165, 164439529

feature · introduced

Home video descriptions and search

documentedconfirmed

When enabled, Apple Intelligence for Home could process HomeKit Secure Video recordings on-device and through Private Cloud Compute for descriptions and search.

Recorded at Beta 1

  1. [1] iOS & iPadOS 27 Beta Release Notes (preserved snapshot) · HomeKit — New Features; 178858470

bugFix · fixed

Foundation Models profile and Generable fixes

documentedconfirmed

Apple fixed an enum Generable warning, transcript-truncation runtime errors, and Profile onPrompt callbacks that could be skipped.

Recorded at Beta 2

  1. [1] iOS & iPadOS 27 Beta 2 Release Notes (preserved snapshot) · Foundation Models — Known Issues to Resolved Issues; 177899620, 177901494, 177902488

bugFix · fixed

Home accessory responsiveness after OS 27 installation

undocumentedreported

One publication reported that Beta 2 corrected Home accessories that became unresponsive after installing the initial iOS 27 and tvOS 27 betas.

Recorded at Beta 2

  1. [1] Everything New in iOS 27 Beta 2 · HomeKit Accessories

bugFix · fixed

SwiftData Query background-save deadlock

documentedconfirmed

SwiftData no longer deadlocked a Query when a background actor saved its ModelContext while scheduling ModelActor tasks.

Recorded at Beta 2

  1. [1] iOS & iPadOS 27 Beta 2 Release Notes (preserved snapshot) · SwiftData — Known Issues to Resolved Issues; 178113288 status transition

developerApi · changed

SwiftUI document protocol model

documentedconfirmed

SwiftUI introduced a combined Document protocol for read/write documents and deprecated FileDocument in favor of ReadableDocument or Document.

Recorded at Beta 2

  1. [1] iOS & iPadOS 27 Beta 2 Release Notes (preserved snapshot) · SwiftUI — New Features and Deprecations; 177458781 and 178776840

compatibility · fixed

AirPods Max 2 beta firmware updates

documentedconfirmed

iOS 27 Beta 2 restored support for installing AirPods Max 2 beta firmware after Beta 1 could not perform the update.

Recorded at Beta 2

  1. [1] iOS & iPadOS 27 Beta 2 Release Notes (preserved snapshot) · AirPods Max 2 — Known Issues; Beta 1 limitation and Beta 2 support; 178280323

developerApi · changed

SwiftUI item-or-error dialogs back-deployed

documentedconfirmed

SwiftUI’s data-item and error-object alert and confirmation-dialog modifiers became available to projects targeting earlier OS releases.

Recorded at Beta 3

  1. [1] iOS & iPadOS 27 Beta 3 Release Notes (preserved snapshot) · SwiftUI — New Features; 179388848

bugFix · fixed

StoreKit upgraded-subscription expiration

documentedconfirmed

StoreKit Testing stopped immediately marking upgraded-subscription transactions as expired.

Recorded at Beta 3

  1. [1] iOS & iPadOS 27 Beta 3 Release Notes (preserved snapshot) · StoreKit Testing in Xcode — Known Issues to Resolved Issues; 178441109 status transition

developerApi · introduced

Background Neural Engine entitlement

documentedconfirmed

Core AI documented a dedicated entitlement for Neural Engine inference during continued-processing background tasks.

Recorded at Beta 3

  1. [1] iOS & iPadOS 27 Beta 3 Release Notes (preserved snapshot) · Core AI — Known Issues to New Features; 179282606 status transition

bugFix · fixed

Swift System stat method conflicts

documentedconfirmed

Swift System fixed source conflicts between custom unqualified stat calls and the new FilePath or FileDescriptor stat methods.

Recorded at Beta 3

  1. [1] iOS & iPadOS 27 Beta 3 Release Notes (preserved snapshot) · System — Known Issues to Resolved Issues; 177911316 status transition

developerApi · fixed

SwiftUI document concurrency annotations

documentedconfirmed

SwiftUI corrected document reader/writer concurrency and main-actor isolation for document factories and URLDocumentConfiguration.

Recorded at Beta 3

  1. [1] iOS & iPadOS 27 Beta 3 Release Notes (preserved snapshot) · SwiftUI — Resolved Issues; 180302015, 180302065, 180302075

Release changes

Cumulative context

Broader context included for understanding, not claimed as new in this release.

enhancement · changed

Interface, core-app, and transfer performance work

documentedconfirmed

The version-level release plan includes interface refinements and performance work across apps, media, transfer, search, and networking; it is not a Beta 4-only claim.

Recorded at Beta 4

  1. [1] iOS & iPadOS 27 Release Notes · Cumulative beta notes
  2. [2] iOS 27 Preview · Design and performance

feature · introduced

Spatial Photos and intelligent editing tools

documentedconfirmed

This version-level plan covers spatial photo reframing and supported extension and cleanup tools; it is not identified as first appearing in Beta 4.

Recorded at Beta 4

  1. [1] iOS 27 Preview · Photos

enhancement · changed

Expanded child and family controls

documentedconfirmed

Apple’s iOS 27 plan expands parent approval and scheduling controls and sensitive-content protections; these are cumulative version features, not Beta 4 deltas.

Recorded at Beta 4

  1. [1] iOS 27 Preview · Family and child safety

Milestones

Release history

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

  1. Developer beta

    Beta 1

    Full articleEditorially verified

    Apple published iOS 27 Beta 1 as build 24A5355q on 2026-06-08; the page preserves 11 source-supported milestone deltas while keeping build and channel administration in prose.

    Availability
    available
    Sources
    17 linked
    Open this appearance
  2. +14 days

    Developer beta

    Beta 2

    Full articleEditorially verified

    Apple published iOS 27 Beta 2 as build 24A5370h on 2026-06-22; the page preserves 18 source-supported milestone deltas while keeping build and channel administration in prose.

    Availability
    available
    Sources
    28 linked
    Open this appearance
  3. +14 days

    Developer beta

    Beta 3

    Full articleEditorially verified

    Apple published iOS 27 Beta 3 as build 24A5380h on 2026-07-06; the page preserves 16 source-supported milestone deltas while keeping build and channel administration in prose.

    Availability
    available
    Sources
    27 linked
    Open this appearance
  4. +7 days
  5. +7 days

    Developer beta

    Beta 4

    Source-linked recordEditorially verified

    This Beta 4 page separates Apple’s cumulative iOS 27 plans from two interface changes independently reported as Beta 4 deltas.

    Availability
    available
    Sources
    13 linked
    Open this appearance

Historical context

Cycle comparison

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

Historical avg for major releases

102 days, 10.1 milestones

Based on 18 previous iOS .0 releases

12 days since last beta

Gaps this long have happened 200 times

Most recently: iOS 26.6 had a 20-day gap (Beta 1 → Beta 2)

Pace at day 54

5 milestones (avg: 4.6)

Ahead of pace — previous .0 releases averaged 4.6 milestones at this point

Longest gap in this cycle

14 days

Between Beta 1 and Beta 2

Previous .0 releases (iOS)

Previous comparable iOS releases
VersionYearCycleMilestonesAvg. Interval
iOS 26.0202598d158d
iOS 18.0202498d129d
iOS 17.02023105d139d
iOS 16.0202298d1210d
iOS 15.02021105d1211d
iOS 14.0202086d1010d

Scroll horizontally to compare every historical field.

Official release notes