Public bug reported:

[ Impact ]

The 2026b release contains the following changes:

* British Columbia moved to permanent -07 on 2026-03-09.

[ Test Plan ]

Test cases were added to the autopkgtest to cover the testing:

* python: test_2026b
* python-icu: test_2026b

So the test plan is to check that the autopkgtest succeeds.

[ Other Info ]

* The autopkgtest for chrony is flaky on jammy and noble (see bug
#2002910).

After releasing tzdata, please copy the package from -updates to
-security. See
https://documentation.ubuntu.com/project/SRU/reference/package-
specific/#tzdata

** Affects: tzdata (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: tzdata (Ubuntu Trusty)
     Importance: Undecided
         Status: New

** Affects: tzdata (Ubuntu Xenial)
     Importance: Undecided
         Status: New

** Affects: tzdata (Ubuntu Bionic)
     Importance: Undecided
         Status: New

** Affects: tzdata (Ubuntu Focal)
     Importance: Undecided
         Status: New

** Affects: tzdata (Ubuntu Jammy)
     Importance: Undecided
         Status: New

** Affects: tzdata (Ubuntu Noble)
     Importance: Undecided
         Status: New

** Affects: tzdata (Ubuntu Questing)
     Importance: Undecided
         Status: New

** Affects: tzdata (Ubuntu Resolute)
     Importance: Undecided
         Status: New

** Also affects: tzdata (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Also affects: tzdata (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: tzdata (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Also affects: tzdata (Ubuntu Questing)
   Importance: Undecided
       Status: New

** Also affects: tzdata (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: tzdata (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: tzdata (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: tzdata (Ubuntu Resolute)
   Importance: Undecided
       Status: New

** Description changed:

  [ Impact ]
  
- The 2026a release contains the following changes:
+ The 2026m release contains the following changes:
  
- * No leap second on 2026-06-30
- * Moldova has used EU transition times since 2022
+ * British Columbia moved to permanent -07 on 2026-03-09.
  
  [ Test Plan ]
  
  Test cases were added to the autopkgtest to cover the testing:
  
  * python: test_2026b
  * python-icu: test_2026b
  
  So the test plan is to check that the autopkgtest succeeds.
  
  [ Other Info ]
  
  * The autopkgtest for chrony is flaky on jammy and newer (see bug
  #2002910).
  
  After releasing tzdata, please copy the package from -updates to
  -security. See
  https://documentation.ubuntu.com/project/SRU/reference/package-
  specific/#tzdata

** Description changed:

  [ Impact ]
  
- The 2026m release contains the following changes:
+ The 2026b release contains the following changes:
  
  * British Columbia moved to permanent -07 on 2026-03-09.
  
  [ Test Plan ]
  
  Test cases were added to the autopkgtest to cover the testing:
  
  * python: test_2026b
  * python-icu: test_2026b
  
  So the test plan is to check that the autopkgtest succeeds.
  
  [ Other Info ]
  
  * The autopkgtest for chrony is flaky on jammy and newer (see bug
  #2002910).
  
  After releasing tzdata, please copy the package from -updates to
  -security. See
  https://documentation.ubuntu.com/project/SRU/reference/package-
  specific/#tzdata

** Description changed:

  [ Impact ]
  
  The 2026b release contains the following changes:
  
  * British Columbia moved to permanent -07 on 2026-03-09.
  
  [ Test Plan ]
  
  Test cases were added to the autopkgtest to cover the testing:
  
  * python: test_2026b
  * python-icu: test_2026b
  
  So the test plan is to check that the autopkgtest succeeds.
  
  [ Other Info ]
  
- * The autopkgtest for chrony is flaky on jammy and newer (see bug
+ * The autopkgtest for chrony is flaky on jammy and noble (see bug
  #2002910).
  
  After releasing tzdata, please copy the package from -updates to
  -security. See
  https://documentation.ubuntu.com/project/SRU/reference/package-
  specific/#tzdata

-- 
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https://bugs.launchpad.net/bugs/2157973

Title:
  tzdata 2026b release

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