Kane Williamson hasn’t “disappeared” or anything dramatic — the latest widely reported update is that he retired from New Zealand’s T20 internationals in October 2025, while staying available for Tests and ODIs. He has also dealt with recent injury interruptions, including a groin issue that kept him out of a New Zealand series, but he was still expected to continue in the longer formats.

What changed

  • He stepped away from T20Is after a long career in the format.
  • He remains committed to Test cricket and, according to recent reporting, continues to be part of New Zealand’s plans in ODIs as well.
  • His recent absences have been tied more to fitness management than any retirement from all cricket.

Injury context

Williamson has had a run of injury problems over the past few years, including a serious knee ACL rupture in 2023 that required surgery and rehab. He later returned to batting and playing after that recovery, which is why his career has had a stop-start feel at times.

In one line

So, what happened to Kane Williamson is basically this: he’s still around, but he has scaled back to focus on Tests and ODIs after retiring from T20Is and managing a few injuries.

TL;DR: he retired from T20Is, is still active in the longer formats, and recent injuries have affected his availability.