Try to upgrade h2

changed milestone to %Mailbox

added Mailbox Weight: 1 labels

added Sponsor 6 label

added S: in progress label

changed due date to November 29, 2021

assigned to @sebkur

mentioned in merge request !46 (merged)

mentioned in issue #69 (closed)

changed due date to December 13, 2021

removed S: in progress label

added S: in code review label

mentioned in commit d997b2bc

closed with merge request !46 (merged)

added Mailbox app label

added R: fixed label and removed S: in code review label