Updates say what shipped. The Journal says how, and why — including the decisions that turned out to be wrong, which are usually the ones worth reading.
DropTrack's Music Analyzer scored Wings & Prayers: Second Flight between 94 and 97 out of 100. The full results, what the tool says the number is, and the line between a proprietary score and a measurement someone else can repeat.
The mastering case study forced a decision about evidence — quote the private engineering reports, or measure the published files. Choosing the second changed what the page could honestly say, and produced ADR 0007.
Before a single component existed, four decisions had to be settled — including one where the brief contradicted itself, and one where following the spec would have meant lying.