WikiReleaseTeam/Pre release announcement

Subject
Pre-release announcement for MediaWiki releases 1.19.x, 1.21.x and 1.22.6

Message
Hello everyone,

this is a notice that on DATE between 20:00-22:00 UTC we will release security and maintenance updates for current and supported branches of the MediaWiki software. Downloads and patches will be available at that time.

Best, RELEASE TEAM