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gzip-1.13 released [stable]

Item posted by Jim Meyering <meyering> on Sun 20 Aug 2023 12:33:17 AM UTC.

This is to announce gzip-1.13, a stable release.
Thanks to Paul and Bruno for contributing.

There have been 50 commits by 3 people in the 71 weeks since 1.12.

See the NEWS below for a brief summary.

Thanks to everyone who has contributed!
The following people contributed changes to this release:

  Bruno Haible (4)
  Jim Meyering (15)
  Paul Eggert (31)

 [on behalf of the gzip maintainers]

Here is the GNU gzip home page:

For a summary of changes and contributors, see:;a=shortlog;h=v1.13
or run this command from a git-cloned gzip directory:
  git shortlog v1.12..v1.13

Here are the compressed sources:   (1.3MB)   (820KB)

Here are the GPG detached signatures:

Use a mirror for higher download bandwidth:

Here are the SHA1 and SHA256 checksums:

  9cc4f2220c8028823433e9d869dc07610aefefb5  gzip-1.13.tar.gz
  IPyBiu666Hzb8gnTUUGtnTzzErNaXmvmG/z7+e3dISo=  gzip-1.13.tar.gz
  a793e107a54769576adc16703f97c39ee7afdd4e  gzip-1.13.tar.xz
  dFTraTXbF8ZlVXbC4bD6vv04tNCTbg+H9IzQYs6RoFc=  gzip-1.13.tar.xz

Verify the base64 SHA256 checksum with cksum -a sha256 --check
from GNU coreutils-9.2 or OpenBSD's cksum since 2007.

Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact.  First, be sure to download both the .sig file
and the corresponding tarball.  Then, run a command like this:

  gpg --verify gzip-1.13.tar.gz.sig

The signature should match the fingerprint of the following key:

  pub   rsa4096/0x7FD9FCCB000BEEEE 2010-06-14 [SCEA]
        Key fingerprint = 155D 3FC5 00C8 3448 6D1E  EA67 7FD9 FCCB 000B EEEE
  uid                   [ unknown] Jim Meyering <>
  uid                   [ unknown] Jim Meyering <>
  uid                   [ unknown] Jim Meyering <>

If that command fails because you don't have the required public key,
or that public key has expired, try the following commands to retrieve
or refresh it, and then rerun the 'gpg --verify' command.

  gpg --locate-external-key

  gpg --recv-keys 7FD9FCCB000BEEEE

  wget -q -O- '' | gpg --import -

As a last resort to find the key, you can try the official GNU

  wget -q
  gpg --keyring gnu-keyring.gpg --verify gzip-1.13.tar.gz.sig

This release was bootstrapped with the following tools:
  Autoconf 2.72c.32-cb6fb
  Automake 1.16i
  Gnulib v0.1-6631-g5651802c60


* Noteworthy changes in release 1.13 (2023-08-19) [stable]

** Changes in behavior

  zless now diagnoses gzip failures, if using less 623 or later.

  When SIGPIPE is ignored, gzip now exits with status 2 (warning)
  instead of status 1 (error) when writing to a broken pipe.  This is
  more useful with programs like 'less' that treat gzip exit status 2
  as a non-failure.

** Bug fixes

  'gzip -d' no longer fails to report invalid compressed data
  that uses a dictionary distance outside the input window.
  [bug present since the beginning]

  Port to C23, which does not allow K&R-style function definitions
  with parameters, and which does not define __alignas_is_defined.

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