It starts the clock for a response. If the state intends on filing a waiver or extension, it will likely appear on the docket a week or two before the response deadline. The response date for the state is 13 March
You are getting mixed up.
This thread is about Bianchi aka AWB case (Kolbe 2.0)
4CA also took MSI v Brown en banc aka HQL the day before this one. For more info see https://www.marylandshallissue.org/jmain/counselor-s-corner/hqlsuit
They vacated Bianchi, not Kolbe. The problem is that Kolbe affects Bianchi. They have not rejected anything because they have not issued any opinions. It appears they are going to address the Kolbe precedent en banc.
I am not sure you understand what GVR means. It is simply SCOTUS asking the lower court to take a new look at a case based on new precedent. It does not mean that the case was wrong. The lower courts routinely come to the same conclusion. SCOTUS then can decide if they want to grant cert based...