The current testing version is hirsute, ie. the next release. (We’re also testing a focal too, which will become 20.04.2; but it’s mostly just a new ISO for new installs).
OS: Lubuntu Hirsute Hippo (development branch) x86_64
Lubuntu groovy was the code name used before 20.10’s release. Officially it was only given 20.10 name on actual release.
This can be missed as many bloggers tend to use 20.10 even before release, hey I did on this site as I feared using a more correct “Lubuntu groovy gorilla BETA testing (what will be 20.10 on release)” would be misunderstood.
Lubuntu 20.10 was released & announced on this site though too though it’s really just a pointer to the official blog notice.