16 Oct 2026 [dev] [wallets]

Monero v0.18.5.4 'Fluorine Fermi' released

Monero v0.18.5.41 Fluorine Fermi is out2’3 and binaries for both the official CLI4 and GUI5 wallets are now available for download:

This is a minor release that includes bug fixes.

Release highlights

* [CLI] Daemon: fix DNSSEC validation for checkpoints, blocklists and update checks
* [CLI] RPC: restore string-to-integer conversion in JSON requests
* [GUI] Fix reopening testnet and stagenet wallets
* [GUI] Minor bug fixes [..]

To view the complete list of changes, compare v0.18.5.4 with the previous release on Github6. New binaries (CLI/GUI) can be found on the Downloads7 page on Getmonero.org.

Release statistics

- Activity:
  - CLI: 2 contributors, 6 commits (+35 loc)
  - GUI: 2 contributors, 8 commits (+38 loc)
- Contributors:
  - selsta [CLI+GUI]
  - tobtoht [CLI+GUI]

Make sure to check that the file hashes8 match those on the signed list and that the signature is valid before installing the software.

Guides for popular operating systems are available on Getmonero.org (Linux/Windows/Mac)9’10 and PrivSec.Guide (Linux)11’12.

  1. https://github.com/monero-project/monero/releases/tag/v0.18.5.4 ↩

  2. https://www.getmonero.org/2026/10/16/monero-0.18.5.4-released.html ↩

  3. https://www.getmonero.org/2026/10/16/monero-GUI-0.18.5.4-released.html ↩

  4. https://www.getmonero.org/downloads/#cli ↩

  5. https://www.getmonero.org/downloads/#gui ↩

  6. https://github.com/monero-project/monero/compare/v0.18.5.3…v0.18.5.4, https://github.com/monero-project/monero-gui/compare/v0.18.5.3…v0.18.5.4 ↩

  7. https://www.getmonero.org/downloads/ ↩

  8. https://www.getmonero.org/downloads/hashes.txt ↩

  9. https://www.getmonero.org/resources/user-guides/verification-windows-beginner.html ↩

  10. https://www.getmonero.org/resources/user-guides/verification-allos-advanced.html ↩

  11. https://privsec.guide/monero-cli-wallet-linux-installation-guide/ ↩

  12. https://privsec.guide/building-monero-cli-wallet-from-source/ ↩