On Mon, 6 Apr 2026 23:35:44 GMT, Naoto Sato <[email protected]> wrote:

> This PR adds support for the std/dstOffset attributes in CLDR metazone 
> definitions. These attributes were introduced in CLDR v48 to address 
> differences between the IANA TZDB vanguard and rearguard formats. At the time 
> JDK adopted CLDR v48, this support was not implemented because the JDK 
> handles these differences separately (see JDK-8212970).
> 
> More recently, the America/Vancouver time zone is planning to adopt a 
> year-round fixed offset. To avoid mismatches between standard and daylight 
> saving time naming, CLDR has started using these attributes for that zone. 
> This change prepares the JDK for upcoming TZDB updates and the corresponding 
> CLDR changes.

This pull request has now been integrated.

Changeset: 13633c08
Author:    Naoto Sato <[email protected]>
URL:       
https://git.openjdk.org/jdk/commit/13633c0825cc44e7a40b652b3c70334d1cfa621e
Stats:     110 lines in 9 files changed: 87 ins; 7 del; 16 mod

8381379: Support std/dstOffset attributes in CLDR's metazone definitions

Reviewed-by: jlu

-------------

PR: https://git.openjdk.org/jdk/pull/30594

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