"Improved peer selection with /24 subnet deduplication to disadvantage 'spy nodes'"
GitHub
p2p: Improved peer selection with /24 subnet deduplication to disadvantage 'spy nodes' by rbrunner7 · Pull Request #9939 · monero-project/monero
For background info about those "spy nodes" check this GitHub issue, this Reddit post and this wonderful work from Rucknium.
This PR was ...
getmonero.org, The Monero Project
Blog: Monero 0.18.4.3
Highly recommended release that enhances protection against spy nodes.