Is this task the continuation of T156793: Inform community about upcoming beta deploy of new site branding on mobile? (first announce beta; when beta is ready for graduation then announce the deployment to all wikis?)

In T157475#3008564, @Qgil wrote:

Is this task the continuation of T156793: Inform community about upcoming beta deploy of new site branding on mobile? (first announce beta; when beta is ready for graduation then announce the deployment to all wikis?)

we actually decided to change our rollout plan. Since the design on beta will be different, we decided to test on a few smaller wikis first. This task is to track that announcement (which is complete), as well as the larger announcement for all wikis. I'll close the old one