python-tz has been published to ESM ppas
focal (esm-infra):
```
python-tz (2019.3-1ubuntu0.20.04.1+esm1) focal-security; urgency=medium
* Dynamically determine list of available and common timezones from the
system zoneinfo database instead of using hardcoded lists, so that
timezones added to tzdata after pytz 2019.3 are available (LP: #207604)
* Dynamically determine IANA (nee Olson) database version from tzdata
* Drop Update-timezones-to-tzdata-2022f patch (superseded by the above)
* Add autopkgtests to verify that timezones added to tzdata after pytz
2019.3 are accessible via pytz
-- Nadzeya Hutsko <[email protected]> Mon, 06 Apr 2026 07:55:13
+0200
```
bionic (esm-infra):
```
python-tz (2018.3-2ubuntu0.1+esm1) bionic-security; urgency=medium
* Dynamically determine list of available and common timezones from the
system zoneinfo database instead of using hardcoded lists, so that
timezones added to tzdata after pytz 2018.3 are available (LP: #207604)
* Dynamically determine IANA (nee Olson) database version from tzdata
* test: Revert inclusion of PACKRATDATA=backzone, dropping obsolete
pre-1970 Europe/Amsterdam assertions that fail with modern tzdata
* Add autopkgtests to verify that timezones added to tzdata after pytz
2018.3 are accessible via pytz
-- Nadzeya Hutsko <[email protected]> Wed, 03 Jun 2026 10:29:17
+0200
```
xenial (esm-infra-legacy):
```
python-tz (2014.10~dfsg1-0ubuntu2.16.04.1+esm1) xenial-security; urgency=medium
* Dynamically determine list of available and common timezones from the
system zoneinfo database instead of using hardcoded lists, so that
timezones added to tzdata after pytz 2014.10 are available (LP: #207604)
* Dynamically determine IANA (nee Olson) database version from tzdata
* Add an autopkgtest to verify that timezones added to tzdata after pytz
2014.10 are accessible via pytz
-- Nadzeya Hutsko <[email protected]> Fri, 05 Jun 2026 22:07:07
+0200
```
trusty (esm-infra-legacy):
```
python-tz (2012c-1ubuntu0.1+esm1) trusty-security; urgency=medium
* Dynamically determine list of available and common timezones from the
system zoneinfo database instead of using hardcoded lists, so that
timezones added to tzdata after pytz 2012c are available (LP: #207604)
* Dynamically determine IANA (nee Olson) database version from tzdata
* Add an autopkgtest to verify that timezones added to tzdata after pytz
2012c are accessible via pytz
-- Nadzeya Hutsko <[email protected]> Mon, 08 Jun 2026 14:07:52
+0200
```
marking those releases as "Fix Released"
** Changed in: python-tz (Ubuntu Bionic)
Status: In Progress => Fix Released
** Changed in: python-tz (Ubuntu Xenial)
Status: In Progress => Fix Released
** Changed in: python-tz (Ubuntu Focal)
Status: In Progress => Fix Released
** Changed in: python-tz (Ubuntu Trusty)
Status: In Progress => Fix Released
--
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/207604
Title:
pytz includes a hard coded list of time zone names
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