On Fri, 2 Oct 2026 17:54:55 GMT, Min Choi <[email protected]> wrote: > This updates the JDK time zone data from `tzdata2026d` to `tzdata2026e`. > > The main tzdata changes included here are: > > - Manitoba moves to permanent UTC-05 from November 1, 2026. This affects > `America/Winnipeg` and uses the `EST` abbreviation in tzdata. > - Dublin's 1925 autumn transition is corrected to September 20. > - Related `TimeZoneData` test data is regenerated for `tzdata2026e`. > > `Bug6329116.java` needed to be updated to accept CLDR's existing `CST` short > name for `America/Winnipeg`, `Canada/Central`, and `America/Rainy_River`. > This is in line with what we did for 2026c and 2026d. > > For testing: > > > make images > > > make run-test \ > TEST="jdk/java/util/TimeZone \ > jdk/java/time/test \ > jdk/sun/util/resources \ > jdk/sun/text/resources \ > jdk/sun/util/calendar" > > > ============================== > Test summary > ============================== > TEST TOTAL PASS FAIL ERROR > SKIP > jtreg:test/jdk/java/util/TimeZone 28 25 0 0 > 3 > jtreg:test/jdk/java/time/test 80 80 0 0 > 0 > jtreg:test/jdk/sun/util/resources 23 23 0 0 > 0 > jtreg:test/jdk/sun/text/resources 18 18 0 0 > 0 > jtreg:test/jdk/sun/util/calendar 3 3 0 0 > 0 > ============================== > TEST SUCCESS > > > All 149 selected test files passed. > > Like 2026c and 2026d, this tip PR is just the tzdata import. The updated > Winnipeg metazone data will be brought in with the CLDR v49 update. > > JDK-8393344 handles the CLDR change for update releases. > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai).
tzdata changes match those in the upstream version. The `displaynames.txt` and `Bug6329116.java` changes are equivalents of the ones I see in the 2026c & 2026d patches. Local & GHA testing looks good. ------------- Marked as reviewed by andrew (Reviewer). PR Review: https://git.openjdk.org/jdk/pull/33185#pullrequestreview-5400139125
