Huh. Whodathunk.
eInk, pre-unhinting:
Code:
7c4c7143ec3af9a7e8c279bc7f3ee66b9a08e28e Bookerly-BoldItalic.ttf
ba9a89bf73a25167d17dab01e035ce3fe41bc1c6 Bookerly-Bold.ttf
9761dd055277c2475bee0c8921e9905313f6948e Bookerly-Italic.ttf
49dae23f4b5b6b41b2cdd587e9dbc5b53b7d0ee4 Bookerly-Regular.ttf
eInk, post-unhinting:
Code:
e928f41f04b099807a6c27c326991cb108323852 Bookerly-BoldItalic.ttf
5c952c3cbaa21f33a86e83670e43ee885b4840ce Bookerly-Bold.ttf
a0aec7e835e1925e1af0bbed7fad7be53601daf8 Bookerly-Italic.ttf
92dc27488750c15c20633672260b8a70922176c1 Bookerly-Regular.ttf
Might be as simple as missing the AMZ table and/or having always been unhinted (because Android), or something more involved?