「サイトを更新しました。再読み込みしてください…」というメッセージを削除するにはどうすればよいですか？

[JamesChevalier]

I had this issue as well, and doing this resolved it:

cd /var/discourse
./launcher rebuild app

I don’t know if it was the right way to handle the issue, and it did involve some downtime, but it did work.