# OPNsense 26.4.2 — OPNsense 26.4.2 business edition released

- Product: OPNsense (https://whatsnew.fyi/product/opnsense)
- Vendor: Deciso
- Date: 2026-08-14
- Version: 26.4.2
- Original notes: https://forum.opnsense.org/index.php?topic=52714.0
- Permalink: https://whatsnew.fyi/product/opnsense/releases/26.4.2

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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This business release is based on the OPNsense 26.1.11 community version with additional reliability improvements. Please note that this release offers source NAT as a tentative replacement for outbou…