OptionalautomationCaptured workflow execution identity; travels with the evidence, never a live binding.
OptionalbenchmarksOptional ring benchmark (#6552). Absent retains existing document output.
OptionalelementOptional immutable element failures; absent in older count-only snapshots (#7091).
When the snapshotted run finished (ValidationReport.timestamp, ISO).
OptionalreportOptionalsavedOptionalscaleWhole-block size, 0.5-2 (#6548); absent is 1.
OptionalshowOptionalsourceWhich engine produced the snapshot (#6372). Absent means 'ids': every block saved before this field existed was labelled IDS.
IDS document title, or rule-set name, printed in the block's heading.
OptionalspecificationsCompact layout only (#6560): print one bar row per specification and leave out its requirement rows. Optional and additive, so the document format version is unchanged; a viewer that supports the document format but predates this field ignores it and prints the full compact report.
failed excludes warning-severity failures, which warnings counts (#6372; absent on IDS snapshots).
OptionaltitleOptionaltitleHeading strip background in #RRGGBB; absent is transparent paper.
OptionaltitleHeading text size, BLOCK_TITLE_SIZE_MIN-BLOCK_TITLE_SIZE_MAX points.
OptionaltitleHeading ink in #RRGGBB; absent is black, or black/white by contrast when a background is set.
OptionalvariantLayout (#6470). Absent in documents saved before it existed, which keep printing the original layout (one truncated line per field) until the author picks one.
A frozen snapshot of an IDS / information-validation report (#5125, #6372), taken from the live
ValidationReportwhen the block is added or refreshed — like a table block's list copy, it travels with the document instead of reading the store, so a saved document still prints the run that produced it.