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Minimap2-2.29 (r1283)

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@lh3 lh3 released this 18 Apr 17:43

Notable changes to minimap2:

  • New feature: added the splice:sr preset for short RNA-seq read alignment.
    Users may use -j to specify known gene annotation to improve spliced
    alignment close to the ends of short reads. Also added --write-junc and
    --pass1 for 2-pass short-read RNA-seq alignment.

  • Experimental feature: read splice scores from a file specified by --spsc
    and consider the scores during base alignment. The feature makes it possible
    to apply advanced splice models and to improve spliced alignment.

  • Change: adjusted the mapping quality calculation for spliced alignment.

  • Bugfixes: a) missing overlap alignment when base alignment is requested
    (#969); b) incorrect summary information for long genomes (#1192); c)
    missing parameter check for --score-N (#1226).

  • Improvement: a) warn about absent junction files (#1229); b) report an error
    if a wrong preset prefixed with "splice" is specified (#589).

Notable changes to mappy:

  • Improvement: allow passing read name (#1260)

  • Improvement: exposed score for ambiguous bases (#1240)

Minimap2 now supports short/long genomic/RNA-seq read alignment along with
contig alignment and all-vs-all read overlapping. It produces identical genomic
long-read or contig alignment to v2.27. Short genomic read alignment and the
mapping quality of long RNA-seq read alignment may slightly differ in very rare
cases.

(2.29: 18 April 2025, r1283)