Edit: Upgrade finished
We will upgrade lemmy.world to v0.18.4 tomorrow at 20:00 UTC+2 (Check what this isn in your timezone. Expect the site to be down for a few minutes.
Release notes for 0.18.4 can be found here: https://github.com/LemmyNet/lemmy/blob/main/RELEASES.md
It seems much faster indeed, thank you for your work!