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The One File

v3.9.1 Feature

This release adds 3 notable features for engineering teams evaluating rollout.

✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

ack-diagram air-gapped break-glass browser-based disaster-recovery documentation
+12 more
encrypted homelab-network html5 network-diagram network-topology offline-first-single-file oidc self self-hosted sso web-crypto zero-dependency

Summary

AI summary

Updates Demos, Version 3.9 : 12/4/25, and lambert across a mixed release.

Full changelog

Version 3.9 : 12/4/25

  • NEW 3.9 Tabs, snapshots, action audits and notes! (encrypted also)
    • Tabs are now implemented. This allows unlimited locations of topologies, still one file!
  • NEW 3.9 General topology notes are now implemented. You can also encrypt per note.
  • NEW 3.9 Snapshots are now implemeted. Auto save and manual save is available.
  • NEW 3.9 Action audits are now implemeted. This allows you to audit whether or not the file has been tampered in an easy to read log.
    • Note: Both snapshots and audits are local browser only and do not trasnfer to another device. This feature is coming in 4.0

Demos

the-one-file-corporate-demo.html
the-one-file-homelab-demo.html
theonefile-networkening-corporate-demo.html
theonefile-networkening-homelab-demo.html

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Beta — feedback welcome: [email protected]