Here is the broken stuff we are keeping track of: https://github.com/arxiv-vanity/engrafo/issues (feel free to add to it!)
I would think that panflute would allow for more readable code, which helps whendealing with all the corner cases and rough edges of latex.
[1] https://github.com/sergiocorreia/panflute
https://github.com/arxiv-vanity/engrafo/issues/160
Here is the broken stuff we are keeping track of: https://github.com/arxiv-vanity/engrafo/issues (feel free to add to it!)