Announcements of samtools, bcftools, and htslib releases. See the website for documentation, pointers to support and mailing lists, etc.

Joined July 2014
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Release 1.23.1 of HTSlib, SAMtools, and BCFtools is now available from GitHub. This fixes crashes that could occur when reading malformed CRAM or GZI files. See htslib.org/download/ for links to tarballs and release notes.

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16 Dec 2025
Release 1.23 of HTSlib, SAMtools, and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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14 Jul 2025
Release 1.22.1 of HTSlib and SAMtools is now available from GitHub. This fixes crashes that could happen when reading malformed CRAM files, or when writing files with very long secondary alignments as CRAM 3.1. See htslib.org/download/ for links to tarballs and release notes

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30 May 2025
Release 1.22 of HTSlib, SAMtools, and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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12 Sep 2024
Release 1.21 of HTSlib, SAMtools, and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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15 Apr 2024
Release 1.20 of HTSlib, SAMtools, and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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24 Jan 2024
Oops! Samtools 1.19.1 had a bug which broke filtering on unordered BED files. This is now fixed in release 1.19.2. See htslib.org/download/ for links to tarballs and release notes.

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22 Jan 2024
Release 1.19.1 of HTSlib, and SAMtools is now available from GitHub. This fixes a regression in 1.19 that caused written CRAM files to be much bigger than necessary, along with other bugs. See htslib.org/download/ for links to tarballs and release notes.

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12 Dec 2023
Release 1.19 of HTSlib, SAMtools and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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25 Jul 2023
Release 1.18 of HTSlib, SAMtools and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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21 Feb 2023
Release 1.17 of HTSlib, SAMtools and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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Release 1.16.1 of SAMtools is now available from GitHub. This fixes some bugs in the new template-coordinate sort feature. See htslib.org/download/ for links to tarballs and release notes.

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18 Aug 2022
Release 1.16 of HTSlib, SAMtools and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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Release 1.15.1 of HTSlib, SAMtools and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes. This fixes bugs found in the 1.15 release, including a regression in the samtools view --region-file option.

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21 Feb 2022
Release 1.15 of HTSlib, SAMtools and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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22 Oct 2021
Release 1.14 of HTSlib, SAMtools and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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Release 1.13 of HTSlib, SAMtools and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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17 Mar 2021
Release 1.12 of HTSlib, SAMtools and BCFtools is now available from GitHub. See htslib.org/download/ for links to tarballs and release notes.

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Samtools Team retweeted
Play it again, SAM(tools)? gigasciencejournal.com/blog/…

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