Gary Ng reported[1] that on Tuesday he got a notification on his Apple TV that updated time zone information was available, and that this was because Apple pushed out an over-the-air time zone update for Canadian users due to recent provincial legislation in BC and Alberta. I'm skeptical at least about the "Alberta" part, since the Alberta changes are not yet official. Does anyone have definitive information about this? The only public repository I found for Apple[2] is currently based on TZDB 2025b, which is so old that it doesn't have the official changes for British Columbia, much less the not-yet-official changes for Alberta. I would guess the updates Ng reported are newer than 2025b. Another possibility is that Apple's changes for Canada are about interfacing to cell phone service providers, which are presumably having their own issues with time zones. [1]: Ng G. Apple Sends Overnight Time Zone Fix to Canadian iPhones. Here’s Why. iPhone in Canada. 2026-05-27. <https://www.iphoneincanada.ca/2026/05/27/apple-iphone-time-zone-update-canad...> [2]: https://github.com/apple-oss-distributions/TimeZoneData/commits/main/