SUSE-RU-2026:21730-1: important: Recommended update for timezone

[SLE-UPDATES]

# Recommended update for timezone

Announcement ID: SUSE-RU-2026:21730-1  
Release Date: 2026-05-21T12:27:26Z  
Rating: important  
References:

  * bsc#1264965

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that has one fix can now be installed.

## Description:

This update for timezone fixes the following issues:

  * Update to 2026b:
    * British Columbia moved to permanent -07 on 2026-03-09. (bsc#1264965)
    * Some more overflow bugs have been fixed in zic.
  * Update to 2026a:
    * 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.
  * Update to 2025c:
    * Update Baja California DST rules in 1953, 1961-1975
    * An unset TZ is no longer invalid when /etc/localtime is missing, and is abbreviated "UTC" not "-00". This reverts to 2024b behavior
    * tzset etc. are now more cautious about questionable TZ settings.
    * tzset etc. now treat ' ' like '_' in time zone abbreviations
    * tzfree now preserves errno, consistently with POSIX.1-2024 "free".
    * zic has new options inspired by FreeBSD.
    * multiple changes visible to developers
  * Use "REDO=posix_right" to keep installing "right" TZif files.

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-724=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * timezone-2026b-1.1
    * timezone-debuginfo-2026b-1.1
    * timezone-debugsource-2026b-1.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1264965

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