watchOS end of life: end of support by version

Apple · Operating Systems

For watchOS by Apple, patchletter knows 11 support cycles. 10 of them have already ended and receive no more security updates. The current version of watchOS is 27.0.1. The cycles come from the open endoflife.date project, last reconciled on 30/09/2026.

When does support end for which watchOS version?

A cycle is a maintained version line. Where a date is given, support ends on that day — after it the vendor ships no more security updates for that line.

CycleLatest versionEnd of supportStatus
2727.0.1no date on recordsupported
2626.627 days agoEnd of Life
1111.6.2391 days agoEnd of Life
1010.6.2755 days agoEnd of Life
99.6.41119 days agoEnd of Life
88.8.21490 days agoEnd of Life
77.6.21847 days agoEnd of Life
66.3.12216 days agoEnd of Life
55.3.102579 days agoEnd of Life
44.3.22946 days agoEnd of Life
33.2.33309 days agoEnd of Life

Which watchOS versions no longer receive security updates?

10 of 11 cycles have ended. If you run one of those lines, the vendor ships you no more patches — not even for critical flaws.

  • watchOS 2626.6
  • watchOS 1111.6.2
  • watchOS 1010.6.2
  • watchOS 99.6.4
  • watchOS 88.8.2
  • watchOS 77.6.2
  • watchOS 66.3.1
  • watchOS 55.3.10
  • watchOS 44.3.2
  • watchOS 33.2.3

Where does the EOL data for watchOS come from?

From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the watchOS data is as of 30/09/2026. In case of doubt the vendor's own lifecycle page applies — patchletter deliberately stores no vendor full texts.

New watchOS versions by email

Tick the product and patchletter reports new releases by email. The update email costs nothing, and one click stops it again. The warning 90, 30 and 7 days before support ends is part of patchletter Pro.