# nf-core/newsletter, August 2026

2 blog posts, 1 advisory, 9 pipeline releases, 4 upcoming events.

[View on the nf-core website](https://nf-co.re/newsletter/2026/08)

## Blog posts

- [nf-core/tools - 4.1.0](https://nf-co.re/blog/2026/tools-4_1_0) — Fast containers without any oxidation
  _29 Jul 2026 · by mashehu_
- [Maintainers Minutes: May - June 2026](https://nf-co.re/blog/2026/maintainers-minutes-2026-06-26) — Keeping you informed of the latest maintainers discussions
  _1 Jul 2026 · by maxulysse_

## Advisories

- **CRITICAL** [Remote code execution and bot token theft via the pipeline template's PR-comment workflow](https://nf-co.re/advisories/pr-comment-workflow-vulnerability) _(Security)_ — A workflow in the pipeline template ran a value taken from a contributor's pull request as a command, letting an outside attacker run code on nf-core's CI and steal a shared bot token

## New pipeline first releases 🎉

These pipelines just had their very first release.

- [nf-core/mcmicro](https://nf-co.re/mcmicro) v2.0.0 — An end-to-end processing pipeline that transforms multi-channel whole-slide images into single-cell data.
- [nf-core/sopa](https://nf-co.re/sopa) v1.0.0 — Nextflow version of Sopa - spatial omics pipeline and analysis

## Pipeline releases

- [nf-core/createtaxdb](https://nf-co.re/createtaxdb) v3.1.0 _(3 Jul 2026)_
- [nf-core/pairgenomealign](https://nf-co.re/pairgenomealign) v3.0.2, v3.0.3 _(28 Jul 2026)_
- [nf-core/pixelator](https://nf-co.re/pixelator) v5.0.0 _(16 Jul 2026)_
- [nf-core/raredisease](https://nf-co.re/raredisease) v3.1.2 _(6 Jul 2026)_
- [nf-core/scrnaseq](https://nf-co.re/scrnaseq) v4.2.0 _(4 Jul 2026)_
- [nf-core/seqinspector](https://nf-co.re/seqinspector) v1.1.0 _(14 Jul 2026)_
- [nf-core/viralmetagenome](https://nf-co.re/viralmetagenome) v1.1.3 _(2 Jul 2026)_

## Upcoming events

- **Talk** [Bytesize: nf-meta](https://nf-co.re/events/2026/bytesize_nf_meta) — 11 Aug 2026
  Julian Flesch, QBiC
- **Hackathon** [Hackathon - Agosto 2026](https://nf-co.re/events/2026/hackathon-august-2026) — 15 Aug 2026 – 16 Aug 2026
  Um hackathon presencial para contribuir com tarefas do nf-core e de seus projetos Nextflow
- **Talk** [Bytesize: nf-core/longraredisease](https://nf-co.re/events/2026/bytesize_longraredisease) — 18 Aug 2026
  Nour Mahfel, University of Birmingham
- **Talk** [Bytesize: nf-core/drop](https://nf-co.re/events/2026/bytesize_drop) — 25 Aug 2026
  Ata Jadid Ahari, Nicolas Vannieuwkerke

## In case you missed it

### Earlier blog posts

- [Introducing the nf-core newsletter](https://nf-co.re/blog/2026/newsletter-launch) — 23 Jun 2026
- [Why parameters are strings all of a sudden](https://nf-co.re/blog/2026/parameter-types) — 26 May 2026

## New pipelines & proposals

### New pipeline repositories

- [nf-core/daamicrobiome](https://nf-co.re/daamicrobiome) _(in development)_ — Microbiome differential abundance consensus pipeline
- [nf-core/pathogenepidemiology](https://nf-co.re/pathogenepidemiology) _(in development)_ — [UNDER DEVELOPMENT] A profile-based pipeline for genomic epidemiological analysis of predefined pathogens.

### Pipeline proposals

From [nf-core/proposals](https://github.com/nf-core/proposals/issues).

- [nf-core/primeridentifier](https://github.com/nf-core/proposals/issues/152) — Accepted (#152)
- [nf-core/cfmultiomics](https://github.com/nf-core/proposals/issues/144) — Accepted (#144)
- [dragen](https://github.com/nf-core/proposals/issues/137) — Accepted (#137)
- [nf-core/pathogenepidemiology](https://github.com/nf-core/proposals/issues/134) — Accepted (#134)
- [nf-core/transporter](https://github.com/nf-core/proposals/issues/126) — Accepted (#126)
- [nf-core/epigenomeanalyser](https://github.com/nf-core/proposals/issues/158) — New (#158)
- [nf-core/<vasta>](https://github.com/nf-core/proposals/issues/157) — New (#157)
- [nf-core/glpopgen](https://github.com/nf-core/proposals/issues/156) — New (#156)
- [nf-core/strcalling](https://github.com/nf-core/proposals/issues/155) — New (#155)
- [nf-core/atacportray](https://github.com/nf-core/proposals/issues/153) — New (#153)

### Other proposals

- [New RFC: use process directives to declare prefix, args and when defaults](https://github.com/nf-core/proposals/issues/86) — Accepted (#86)

---

This newsletter is brought to you by the [nf-core](https://nf-co.re) community.