Hi,
i recently get a crash when building a Gif animation form my work in spriter,
and so to save me time i experienced the way i could use sequence images as reference .
and then following the tutorial i fund here, on this forum, i get this feedback to you:
why not behing able to active onion skin between animations ?
that should be really awesome and more accurate for this kind of situation, because the actual method is better when you drop the sequence in an empty animation, or it will be droped on top of existing setup, and to move this sequence to the topdown Z order, it's ok when you have 3 /4 images frames, but not for 187...
So using the onion skin between animation may be more clean visually and may also allow to change the alpha from the entire animation and working the final animation oàn a second animation layer, that will help at the end too. because the actual method to delete the sequence, is also terrific when 187 images were presents, it shows 187 unused frames in the timeline.
i hope this dream will come true in the future !