Make sure you commit anything you want to end up in the KDE Applications 18.04 release to them :)
We're already past the dependency freeze.
The Freeze and Beta is this Thursday 22 of March.
More interesting dates
April 5: KDE Applications 18.04 RC (18.03.90) Tagging and Release
April 12: KDE Applications 18.04 Tagging
April 19: KDE Applications 18.04 Release
https://community.kde.org/Schedules/Applications/18.04_Release_Schedule