I have tried to create a new playing technique appearance using Bravura Text glyph U+EAE8 to indicate a wide, slow vibrato. I selected the option ‘Has duration’ in the hope that this would cause the glyph to repeat (like a trill wiggle) to indicate the duration of the vibrato. However, when I select a bar’s worth of notes and enter my new playing technique, the glyph appears only once — above the last note in the range.
On page 32 of Dorico_2.0_Version_History.pdf it says:
Duration: this currently has little effect, since Dorico does not yet provide all of the planned options for showing the continuation of a playing technique (which will eventually include solid and dashed lines and arrows of various kinds in addition to the current repeated glyph appearance)…
I read the words in bold type as implying that repeated glyphs are already available, but it seems not 