A short update. Alex Esseling has privately emailed and offered to get involved. Alex has bravely and honestly described his C++ skills as rusty. @1div0 has been working with me on the tvisitor.cpp code in my book.
I’ve asked Alex to set up a Zoom meeting with Exiv2 and darktable folks to discuss how we can pull together to get this done. I’ve offered to release Exiv2 v0.28.4 in spring (proposed GM 2021-04-30). From Exiv2, I’ll invite 4 people who have contributed in the last 3 months.
The book’s coming on well. I intend to turn up in Rennes in May 2021 with 40 copies printed at my expense in full colour. For many, the event of 2021 will be a Covid-19 injection. For darktable users, ISOBMFF support. And for me, the end of contributing to Exiv2.