The bugfixes are typically small but important and include:

• Improve systemd-homed support. Commit. Fixes bug #430828
• KRDP: Rename systemd unit to app- prefix. Commit.
• DrKonqi: Add mapping for plasma-browser-integration-host. Commi

https://kde.org/announcements/changelogs/plasma/6/6.2.90-6.2.91/