Prior tolerance of a range of document types has been stricken. One single sensible and widely-used standard now is mandated. It makes sense. Presumably it is no intolerable burden on court staff to use such a universal format, and it probably makes things easier for the target audience - ultimate end users, judges and lawyers, to have a single, sensible way of accessing public data. It is a sound common sense choice.
Links to the order requiring uniform filing, and the implementation guide, (of course in pdf), respectively, here and here. See the judiciary home page, here, with this screen capture (click it to read):