User blog comment:Rappy 4187/Technical Update: June 8, 2015/@comment-1038387-20150608213124/@comment-126761-20150609160628

The search box not always responding first time is on the team's list - unfortunately, it seems quite random as to when it fails, making it hard to track down the source.

For the other issues, though not wishing to sound like a broken record, Special:Contact please :)