Maintainers for akonadi are Debian Qt/KDE Maintainers <[email protected]>.
You may want to refer to the following individual bug pages: akonadi-backend-mysql, akonadi-backend-postgresql, akonadi-backend-sqlite, akonadi-server, libakonadi-data, libakonadi-dev, libakonadi-dev-bin, libakonadiserver-dev, libkf5akonadi-data, libkf5akonadi-dev, libkf5akonadi-dev-bin, libkf5akonadiagentbase5, libkf5akonadicore5abi2, libkf5akonadiprivate5abi2, libkf5akonadiserver-dev, libkf5akonadiwidgets5abi1, libkf5akonadixml5, libkpim6akonadiagentbase6, libkpim6akonadicore6, libkpim6akonadiprivate6, libkpim6akonadiwidgets6, libkpim6akonadixml6.
You might like to refer to the akonadi package page, or to the Package Tracking System.
If you find a bug not listed here, please report it.