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Bump tzdata from 2025.3 to 2026.2 in the npm-majors group#224

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Bump tzdata from 2025.3 to 2026.2 in the npm-majors group#224
BattlefieldDuck merged 1 commit into
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dependabot/pip/npm-majors-927ed73a31

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Bumps the npm-majors group with 1 update: tzdata.

Updates tzdata from 2025.3 to 2026.2

Release notes

Sourced from tzdata's releases.

2026.2: Release of upstream tzdata 2026b

Version 2026.2

Upstream version 2026b released 2026-04-23T06:06:43+00:00

Briefly:

British Columbia moved to permanent -07 on 2026-03-09. Some more overflow bugs have been fixed in zic.

Changes to future timestamps

British Columbia’s 2026-03-08 spring forward was its last foreseeable clock change, as it moved to permanent -07 thereafter. (Thanks to Arthur David Olson.) Although the change to permanent -07 legally took place on 2026-03-09, temporarily model the change to occur on 2026-11-01 at 02:00 instead. This works around a limitation in CLDR v48.2 (2026-03-17). This temporary hack is planned to be removed after CLDR is fixed.

2026.1: Release of upstream tzdata 2026a

Version 2026.1

Upstream version 2026a released 2026-03-02T06:59:49+00:00

Briefly:

Moldova has used EU transition times since 2022. The "right" TZif files are no longer installed by default. -DTZ_RUNTIME_LEAPS=0 disables runtime support for leap seconds. TZif files are no longer limited to 50 bytes of abbreviations. zic is no longer limited to 50 leap seconds. Several integer overflow bugs have been fixed.

Changes to past and future timestamps

Since 2022 Moldova has observed EU transition times, that is, it has sprung forward at 03:00, not 02:00, and has fallen back at 04:00, not 03:00. (Thanks to Heitor David Pinto.)

Changes to data

Remove Europe/Chisinau from zonenow.tab, as it now agrees with Europe/Athens for future timestamps.

Changelog

Sourced from tzdata's changelog.

Version 2026.2

Upstream version 2026b released 2026-04-23T06:06:43+00:00

Briefly:

British Columbia moved to permanent -07 on 2026-03-09. Some more overflow bugs have been fixed in zic.

Changes to future timestamps

British Columbia’s 2026-03-08 spring forward was its last foreseeable clock change, as it moved to permanent -07 thereafter. (Thanks to Arthur David Olson.) Although the change to permanent -07 legally took place on 2026-03-09, temporarily model the change to occur on 2026-11-01 at 02:00 instead. This works around a limitation in CLDR v48.2 (2026-03-17). This temporary hack is planned to be removed after CLDR is fixed.


Version 2026.1

Upstream version 2026a released 2026-03-02T06:59:49+00:00

Briefly:

Moldova has used EU transition times since 2022. The "right" TZif files are no longer installed by default. -DTZ_RUNTIME_LEAPS=0 disables runtime support for leap seconds. TZif files are no longer limited to 50 bytes of abbreviations. zic is no longer limited to 50 leap seconds. Several integer overflow bugs have been fixed.

Changes to past and future timestamps

Since 2022 Moldova has observed EU transition times, that is, it has sprung forward at 03:00, not 02:00, and has fallen back at 04:00, not 03:00. (Thanks to Heitor David Pinto.)

Changes to data

Remove Europe/Chisinau from zonenow.tab, as it now agrees with Europe/Athens for future timestamps.


Commits
  • 1ed8943 Update tzdata to version '2026b' (#135)
  • e3b2209 Add 14-day cooldown to Dependabot
  • 7e5b595 Hash pin GitHub Actions
  • 4997cab Update tzdata to version '2026a' (#123)
  • 4d6c41f Update development status to 'Production/Stable' (#127)
  • 7c1ce85 Remove 'v' from tags in auto-tag.yml
  • 77a9c09 Update docs links to tzdata.python.org (#125)
  • 11148f6 Remove quotes from update branch names
  • 98fa430 Bump actions/checkout from 5 to 6 in the actions group (#122)
  • 7ef7c61 Add auto-tag workflow (#110)
  • Additional commits viewable in compare view

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Bumps the npm-majors group with 1 update: [tzdata](https://github.com/python/tzdata).


Updates `tzdata` from 2025.3 to 2026.2
- [Release notes](https://github.com/python/tzdata/releases)
- [Changelog](https://github.com/python/tzdata/blob/master/NEWS.md)
- [Commits](python/tzdata@2025.3...2026.2)

---
updated-dependencies:
- dependency-name: tzdata
  dependency-version: '2026.2'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: npm-majors
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file python Pull requests that update Python code labels May 4, 2026
@BattlefieldDuck BattlefieldDuck merged commit 4e0e59d into main May 5, 2026
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@dependabot dependabot Bot deleted the dependabot/pip/npm-majors-927ed73a31 branch May 5, 2026 20:55
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