* M6: form script messages keep their title, icon and buttons, and every one is shown (#4293, #4294)
* M6: a form script message waits for a notice the toast already shows
* M6: form script messages past the queue's room are counted and reported
* M6: a sentence break in the merged parity note
* M6: an object that names no parameter is a message's text, as a String object or a caught error
* M6: the count of left-out script messages is said again if another notice replaces it before its time
* M6: a full stop between two sentences of the FormCalc parity note
* chore: re-run CI (a frame-budget timing test missed on a shared runner)