Release record

iOS 13.4

Full article
Public release
Recorded milestones
7
Beta cycle
48d
Average interval
8d
Public release
Mar 24, 2020

Release notes

Overview

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

Release overview

iOS 13.4 was publicly released on March 24, 2020. iOS 13.4 added iCloud Drive folder sharing, new Memoji stickers, universal app purchases, Mail controls, and a broad maintenance set.[1][2]

The release expanded collaboration in Files, cross-platform purchases for participating apps, Mail conversation controls, AR Quick Look audio, and Arabic predictive typing.[1][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 iOS 13.4 and iPadOS 13.4

    Apple Support · Apple · 2023-11-06T00:00:00.000Z · iOS 13.4 and iPadOS 13.4 — Released March 24, 2020

    Back to text ↑
  2. About iOS 13 Updates

    Apple Support · Apple · 2024-02-26T00:00:00.000Z · iOS 13.4

    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

Mail controls and Universal Purchase

documentedconfirmed

The release refined Mail actions and added cross-platform Universal Purchase support.

Recorded at Public

  1. [1] About iOS 13 Updates · iOS 13.4 — Mail and App Store with Apple Arcade

feature · introduced

Memoji stickers and iCloud Drive folder sharing

documentedconfirmed

iOS 13.4 introduced shared iCloud Drive folders and expanded Memoji sticker choices.

Recorded at Public

  1. [1] About iOS 13 Updates · iOS 13.4 — Memoji and Files

bugFix · fixed

System-app reliability fixes

documentedconfirmed

Apple grouped a broad maintenance set with the iOS 13.4 feature additions.

Recorded at Public

  1. [1] About iOS 13 Updates · iOS 13.4 — bug fixes and other improvements

enhancement · changed

AR Quick Look and keyboard refinements

documentedconfirmed

The update expanded supported AR content and keyboard prediction.

Recorded at Public

  1. [1] About iOS 13 Updates · iOS 13.4 — Augmented Reality and Keyboard

Milestones

Release history

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

  1. +14 days
  2. +7 days
  3. +6 days
  4. +7 days
  5. +8 days

    Golden master

    GM

    Timeline onlyLegacy record

    Build 17E255

    Availability
    available
    Sources
    Awaiting claim-level sources
    Open this appearance
  6. +6 days

    Public release

    Public

    Full articleEditorially verified

    iOS 13.4 reached the public release channel on March 24, 2020. iOS 13.4 added iCloud Drive folder sharing, new Memoji stickers, universal app purchases, Mail controls, and a broad maintenance set. This article records that public appearance only and does not assign cumulative notes to an earlier beta.

    Availability
    available
    Sources
    7 linked
    Open this appearance

Historical context

Cycle comparison

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

Historical avg for .4 releases

49 days, 6.4 milestones

Based on 9 previous iOS .4 releases

Cycle vs. platform average

48d (avg: 58d)

10 days shorter than the iOS average

Longest gap in this cycle

14 days

Between Beta 1 and Beta 2

Previous .4 releases (iOS)

Previous comparable iOS releases
VersionYearCycleMilestonesAvg. Interval
iOS 26.4202636d76d
iOS 18.4202538d76d
iOS 17.4202440d77d
iOS 16.4202339d68d
iOS 15.4202246d78d
iOS 14.4202141d414d

Scroll horizontally to compare every historical field.

Official release notes