[tz-announce] 2020f release of tz code and data available

Paul Eggert eggert at cs.ucla.edu
Tue Dec 29 20:22:19 UTC 2020


The 2020f release of the tz code and data is available, reflecting the 
following change to the build procedure:

     'make rearguard_tarballs' no longer generates a bad rearguard.zi,
     fixing a 2020e bug.  (Problem reported by Deborah Goldsmith.)

There are no changes to the data since 2020e.

The build-procedure change was circulated on the tz mailing list and is 
intended for downstream consumers that can process only rearguard 
format. Please see the PS at the end of this email for more info about 
rearguard format.

Here are links to the release files:

   https://www.iana.org/time-zones/repository/releases/tzcode2020f.tar.gz
   https://www.iana.org/time-zones/repository/releases/tzdata2020f.tar.gz
   https://www.iana.org/time-zones/repository/releases/tzdb-2020f.tar.lz

As usual, links to the latest release files are here:

   https://www.iana.org/time-zones/repository/tzcode-latest.tar.gz
   https://www.iana.org/time-zones/repository/tzdata-latest.tar.gz
   https://www.iana.org/time-zones/repository/tzdb-latest.tar.lz

Links are also available via plain HTTP, and via FTP from
ftp://ftp.iana.org/tz/releases with the same basenames as above.

Each release file has a GPG signature, which can be retrieved by 
appending ".asc" to the above URLs. Copies of these signatures are 
appended to this message.

This release corresponds to commit 
846c3ac7abc246094dd754ac6dc90423148a5107 dated 2020-12-29 00:17:46 -0800 
and tagged '2020f' in the development GitHub repository at 
<https://github.com/eggert/tz>.

Here are the SHA-512 checksums for the release files:

5f6bf1b508434842eb9dacacc744b5f3375c35b88e401ef372b5fde80ad2f523484fe52a6e99460e402230406ebf6a9261a97efde45a610f8e8085893d55c4ed 
  tzcode2020f.tar.gz
dd312def18c807452fda2e697514e2064c5f51ebdbedd0cfe6f231252c76ee5d4409f653b295ed5657b7d30b868690047fdb70a10942e69eaa40b77473e3f9ca 
  tzdata2020f.tar.gz
a2efd9cb6308c75de382ff1ddc524dad5da10d76d86c6bf41ab2f979fffae1356b2599b3fcc045eab1cb56b16f9371663da5be57c1f43591517be62e65abbf1c 
  tzdb-2020f.tar.lz

Here are the GPG digital signatures for the release files:

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PS. If your tzdata parser does not yet support negative DST offsets or 
times past 24:00, or if it insists on a 'pacificnew' file that is no 
longer present, this release's data entries can be turned into a 
rearguard-format tarball that should work even with these older parsers. 
This is intended to be a temporary transition aid for these parsers. To 
generate a rearguard-format tarball, obtain the full distribution as 
described above, and run the command 'make rearguard_tarballs' on a 
development host. Or you can run 'make rearguard.zi' to generate a 
single file that can be fed directly to a parser that works like 'zic'.


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