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Release appearance

iOS 11.3 Public

Full article
Public release

Recorded context

About this appearance

iOS 11.3 reached the public release channel on March 29, 2018. iOS 11.3 was publicly released on March 29, 2018. The update paired new battery-health controls with ARKit 1.5, privacy disclosures, Health Records, Business Chat, new Animoji, and a large security set. This article records the public appearance only and does not assign cumulative notes to an earlier beta.

Date
Mar 29, 2018
Availability
available
Revision
No

Release notes

What changed

Original editorial synthesis. Linked references appear with the claims they support and in the source ledger.

Public release

Apple’s dated records place the public iOS 11.3 appearance on March 29, 2018. This article covers that public release and does not infer beta-specific timing or an undocumented build number.[1][2][3][4]

What changed

Battery Health exposed capacity and performance-management information on supported iPhones. ARKit gained vertical-plane and image detection, while regional and device limits applied to Health Records, Business Chat, Animoji, and several other additions.[1][5][3][4]

Source ledger

References

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

  1. ARKit 1.5 Now Available

    Apple Developer · Apple · 2018-01-24T00:00:00.000Z · ARKit 1.5 feature description

    Back to text ↑
  2. About the security content of iOS 11.3

    Apple Support · Apple · 2023-11-06T00:00:00.000Z · iOS 11.3 — Released March 29, 2018

    Back to text ↑
  3. iOS 11.3 is available today

    Apple Newsroom · Apple · 2018-03-29T00:00:00.000Z · iOS 11.3 public availability and feature overview

    Back to text ↑
  4. About iOS 11 Updates

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 11.3

    Back to text ↑
  5. About the security content of iOS 11.3

    Apple Support · Apple · 2023-11-06T00:00:00.000Z · iOS 11.3 — security content

    Back to text ↑
  6. iOS 11.3 is available today

    Apple Newsroom · Apple · 2018-03-29T00:00:00.000Z · Animoji; Business Chat

  7. ARKit 1.5 Now Available

    Apple Developer · Apple · 2018-01-24T00:00:00.000Z · ARKit 1.5 Now Available

  8. iOS 11.3 is available today

    Apple Newsroom · Apple · 2018-03-29T00:00:00.000Z · Batteries and Performance

  9. iOS 11.3 is available today

    Apple Newsroom · Apple · 2018-03-29T00:00:00.000Z · Data & Privacy

  10. iOS 11.3 is available today

    Apple Newsroom · Apple · 2018-03-29T00:00:00.000Z · Health Records

  11. About iOS 11 Updates

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 11.3 — Animoji; Business Chat

  12. About iOS 11 Updates

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 11.3 — Augmented Reality

  13. About iOS 11 Updates

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 11.3 — Health Records (Beta)

  14. About iOS 11 Updates

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 11.3 — iPhone Battery Health (Beta)

  15. About iOS 11 Updates

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 11.3 — Privacy

  16. iOS 11.3 is available today

    Apple Newsroom · Apple · 2018-03-29T00:00:00.000Z · New AR Experiences

Release changes

Changed in this release

Features, fixes, removals, and regressions first observed in this release record.

feature · introduced

iPhone Battery Health beta

documentedconfirmed

Battery Health also allowed eligible users to disable the dynamic performance-management feature after it was applied.

  1. [1] iOS 11.3 is available today · Batteries and Performance
  2. [2] About iOS 11 Updates · iOS 11.3 — iPhone Battery Health (Beta)

enhancement · changed

Data and privacy disclosures

documentedconfirmed

The update made Apple’s own data-use requests more explicit through a new icon and linked explanatory information.

  1. [1] iOS 11.3 is available today · Data & Privacy
  2. [2] About iOS 11 Updates · iOS 11.3 — Privacy

feature · introduced

Health Records beta

documentedconfirmed

Health Records launched in beta with institution-dependent access to items such as lab results, medications, and immunizations.

  1. [1] iOS 11.3 is available today · Health Records
  2. [2] About iOS 11 Updates · iOS 11.3 — Health Records (Beta)

security · fixed

iOS 11.3 security fixes

documentedconfirmed

Apple’s advisory documents a broad security set included with the March 29 public release.

  1. [1] About the security content of iOS 11.3 · iOS 11.3 — security content

feature · introduced

Animoji and Business Chat

documentedconfirmed

The release added lion, bear, dragon, and skull Animoji and introduced the Messages-based Business Chat service under its documented availability limits.

  1. [1] iOS 11.3 is available today · Animoji; Business Chat
  2. [2] About iOS 11 Updates · iOS 11.3 — Animoji; Business Chat