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Release appearance

iOS 4.0 Beta 1

Full article
Developer beta

Recorded context

About this appearance

Beta 1 is a sourced historical archive page with 20 structured records and an explicit account of the evidence limits that shape its coverage.

Date
Apr 8, 2010
Availability
available
Revision
No

Release notes

What changed

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

Release milestone

Apple released the first iPhone OS 4 beta to registered developers on April 8, then published a developer notice the following day. The preview establishes the feature baseline; it does not imply that every API was publicly usable outside the prerelease program.[1][2]

What this page indexes

Beta 1 has 20 structured records. Reader-facing titles and summaries are original synthesis, while short locators identify the evidence used for each factual statement.[3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32]

Selection method

Twenty representative capabilities are retained from first-party feature and developer materials plus one contemporaneous API inventory. This is a first-document baseline, not a computed predecessor diff or an exhaustive copy of the more than 1,500 APIs Apple advertised.[33][34][35]

Evidence gaps

No complete public copy of the Beta 1 developer release-note document was located in this pass. General announcement claims are separated from the narrower API observations, and no build identifier is inferred.[33][34][35]

Source ledger

References

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

  1. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · Beta 1 identity and timing

    Back to text ↑
  2. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · Beta 1 identity and timing

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  3. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · Accelerate framework

    Contemporaneous developer-facing context.

    Back to text ↑
  4. Apple Releases iPhone SDK 4 Beta to Developers

    MacRumors · Eric Slivka · 2010-04-08T12:16:51-07:00 · Accelerate framework

    Contemporaneous developer-facing context.

    Back to text ↑
  5. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · Calendar application API

    Contemporaneous developer-facing context.

    Back to text ↑
  6. Apple Releases iPhone SDK 4 Beta to Developers

    MacRumors · Eric Slivka · 2010-04-08T12:16:51-07:00 · Calendar application API

    Contemporaneous developer-facing context.

    Back to text ↑
  7. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · complex passcode

    First-party preview of the Beta 1 state.

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  8. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · Data Protection

    First-party preview of the Beta 1 state.

    Back to text ↑
  9. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · Exchange ActiveSync

    First-party preview of the Beta 1 state.

    Back to text ↑
  10. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · Folders

    First-party preview of the Beta 1 state.

    Back to text ↑
  11. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · Game Center developer preview

    Contemporaneous developer-facing context.

    Back to text ↑
  12. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · Game Center developer preview

    First-party preview of the Beta 1 state.

    Back to text ↑
  13. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · iAd

    Contemporaneous developer-facing context.

    Back to text ↑
  14. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · iAd

    First-party preview of the Beta 1 state.

    Back to text ↑
  15. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · iBooks

    First-party preview of the Beta 1 state.

    Back to text ↑
  16. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · in-app SMS

    Contemporaneous developer-facing context.

    Back to text ↑
  17. Apple Releases iPhone SDK 4 Beta to Developers

    MacRumors · Eric Slivka · 2010-04-08T12:16:51-07:00 · in-app SMS

    Contemporaneous developer-facing context.

    Back to text ↑
  18. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · mapping improvements

    Contemporaneous developer-facing context.

    Back to text ↑
  19. Apple Releases iPhone SDK 4 Beta to Developers

    MacRumors · Eric Slivka · 2010-04-08T12:16:51-07:00 · mapping improvements

    Contemporaneous developer-facing context.

    Back to text ↑
  20. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · Mobile Device Management

    First-party preview of the Beta 1 state.

    Back to text ↑
  21. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · Multitasking; seven services

    Contemporaneous developer-facing context.

    Back to text ↑
  22. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · Multitasking; seven services

    First-party preview of the Beta 1 state.

    Back to text ↑
  23. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · open email attachments

    First-party preview of the Beta 1 state.

    Back to text ↑
  24. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · Photos library access

    Contemporaneous developer-facing context.

    Back to text ↑
  25. Apple Releases iPhone SDK 4 Beta to Developers

    MacRumors · Eric Slivka · 2010-04-08T12:16:51-07:00 · Photos library access

    Contemporaneous developer-facing context.

    Back to text ↑
  26. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · Quick Look functionality

    Contemporaneous developer-facing context.

    Back to text ↑
  27. Apple Releases iPhone SDK 4 Beta to Developers

    MacRumors · Eric Slivka · 2010-04-08T12:16:51-07:00 · Quick Look functionality

    Contemporaneous developer-facing context.

    Back to text ↑
  28. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · SSL VPN

    First-party preview of the Beta 1 state.

    Back to text ↑
  29. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · Unified Inbox and threaded messages

    First-party preview of the Beta 1 state.

    Back to text ↑
  30. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · video playback and capture

    Contemporaneous developer-facing context.

    Back to text ↑
  31. Apple Releases iPhone SDK 4 Beta to Developers

    MacRumors · Eric Slivka · 2010-04-08T12:16:51-07:00 · video playback and capture

    Contemporaneous developer-facing context.

    Back to text ↑
  32. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · wireless app distribution

    First-party preview of the Beta 1 state.

    Back to text ↑
  33. Download the New iPhone SDK and iPhone OS 4 beta Today

    Apple Developer · Apple · 2010-04-09T00:00:00.000Z · Beta 1 evidence boundary

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  34. Apple Previews iPhone OS 4

    Apple Newsroom · Apple · 2010-04-08T00:00:00.000Z · Beta 1 evidence boundary

    Back to text ↑
  35. Apple Releases iPhone SDK 4 Beta to Developers

    MacRumors · Eric Slivka · 2010-04-08T12:16:51-07:00 · Beta 1 evidence boundary

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Release changes

Changed in this release

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

feature · introduced

Mobile device management became extensible

documentedconfirmed

Beta 1 documents this Enterprise capability, behavior, resolution, or limitation within the bounded evidence described for the route.

  1. [1] Apple Previews iPhone OS 4 · Mobile Device Management

feature · introduced

Folders organized applications

documentedconfirmed

Beta 1 documents this Home Screen capability, behavior, resolution, or limitation within the bounded evidence described for the route.

  1. [1] Apple Previews iPhone OS 4 · Folders

feature · introduced

iBooks expanded to iPhone and iPod touch

documentedconfirmed

Beta 1 documents this iBooks capability, behavior, resolution, or limitation within the bounded evidence described for the route.

  1. [1] Apple Previews iPhone OS 4 · iBooks

feature · introduced

Mail attachments could open in compatible applications

documentedconfirmed

Beta 1 documents this Mail capability, behavior, resolution, or limitation within the bounded evidence described for the route.

  1. [1] Apple Previews iPhone OS 4 · open email attachments

security · introduced

Passcode-backed data protection expanded

documentedconfirmed

Beta 1 documents this Enterprise capability, behavior, resolution, or limitation within the bounded evidence described for the route.

  1. [1] Apple Previews iPhone OS 4 · Data Protection

compatibility · changed

Exchange account support broadened

documentedconfirmed

Beta 1 documents this Enterprise capability, behavior, resolution, or limitation within the bounded evidence described for the route.

  1. [1] Apple Previews iPhone OS 4 · Exchange ActiveSync

feature · introduced

Enterprises gained wireless in-house app distribution

documentedconfirmed

Beta 1 documents this Enterprise capability, behavior, resolution, or limitation within the bounded evidence described for the route.

  1. [1] Apple Previews iPhone OS 4 · wireless app distribution

feature · introduced

Mail combined inboxes and conversations

documentedconfirmed

Beta 1 documents this Mail capability, behavior, resolution, or limitation within the bounded evidence described for the route.

  1. [1] Apple Previews iPhone OS 4 · Unified Inbox and threaded messages

security · introduced

Longer and more complex passcodes were supported

documentedconfirmed

Beta 1 documents this Enterprise capability, behavior, resolution, or limitation within the bounded evidence described for the route.

  1. [1] Apple Previews iPhone OS 4 · complex passcode

compatibility · introduced

SSL VPN application support was announced

documentedconfirmed

Beta 1 documents this Enterprise capability, behavior, resolution, or limitation within the bounded evidence described for the route.

  1. [1] Apple Previews iPhone OS 4 · SSL VPN