The announcement: why June 7, 2027
Apple doesn't announce iOS versions on a whim — it announces them at the WWDC keynote, and the WWDC keynote lands on a Monday in the first full week of June with near-perfect regularity. That single pattern is the anchor for every other date on this page.
In 2027, the first full week of June begins Monday, June 7. Barring something unprecedented, that's keynote day: a roughly two-hour presentation starting 10:00 a.m. Pacific, with iOS 28 as the headline act, followed by iPadOS 28, macOS, watchOS, and the rest of the platform family. The first developer beta historically goes live within hours of the keynote ending.
A decade of receipts: Apple's actual release history
Projections are only as good as the pattern behind them. Here is Apple's real announcement-to-release record:
| Version | Announced (WWDC) | Public beta | Final release |
|---|---|---|---|
| iOS 16 | June 6, 2022 | July 11, 2022 | September 12, 2022 |
| iOS 17 | June 5, 2023 | July 12, 2023 | September 18, 2023 |
| iOS 18 | June 10, 2024 | July 15, 2024 | September 16, 2024 |
| iOS 26 | June 9, 2025 | July 24, 2025 | September 15, 2025 |
| iOS 27 | June 2026 | July 2026 | September 2026 (expected) |
| iOS 28 | June 7, 2027 (projected) | July 2027 (projected) | Mid-September 2027 (projected) |
Two things stand out. First, the keynote has stayed inside a five-day window of early June for over a decade. Second, the final release lands in the third week of September like clockwork, tied to the new iPhone going on sale. (And if the version numbers look odd: Apple jumped from iOS 18 to iOS 26 in 2025, renaming its platforms after the year ahead — which is exactly why 2027's release is iOS 28.)
The full iOS 28 beta schedule, projected
Between the keynote and September, Apple runs a public rehearsal with a predictable rhythm — roughly a new build every two weeks, accelerating to weekly near the end:
| Milestone | Projected window |
|---|---|
| Developer beta 1 | June 7, 2027 |
| Developer beta 2 | Week of June 21, 2027 |
| Developer beta 3 + first public beta | Early–mid July 2027 |
| Betas 4–8 | Mid-July → late August 2027 |
| iPhone event | Week of September 6, 2027 |
| Release candidate | Immediately after the event |
| iOS 28.0 public release | Mid-September 2027 |
Planning to ride the whole cycle? Our beta installation guide covers how to be enrolled and backed up before June 7 so you're installing minutes after the keynote, not troubleshooting.
What could move these dates
The honest error bars on our projection:
- The keynote date (±1 week). Apple occasionally slides to the second week of June — iOS 18 was announced June 10. June 7 is the best single guess, not a certainty. Apple typically confirms WWDC dates in March or April.
- Staggered features (high likelihood). Recent history says the September "release" is really the start of a rolling launch — headline features, especially Siri and Apple Intelligence upgrades, increasingly arrive in the .1 and .2 updates through spring. Expect some of the biggest iOS 28 features to follow that pattern.
- The release week (±1 week). The final build tracks the iPhone launch. If the iPhone 19 event shifts, iOS 28.0 shifts with it.
What to do between now and June 7, 2027
- Check your hardware. If your iPhone is on the expected support bubble — looking at you, iPhone 12 owners — factor that into any upgrade you're planning anyway.
- Enroll early. Both developer.apple.com and beta.apple.com enrollment can be done today; it carries over to iOS 28 automatically.
- Get the alert. We send exactly three emails a cycle — dev beta live, public beta live, final release live. Sign up on the homepage.