also previous (but possibly now outdated) info at:
https://forum.inaturalist.org/t/computer-vision-update-july-2021/24728
https://www.inaturalist.org/blog/63931-the-latest-computer-vision-model-updates
https://forum.inaturalist.org/t/new-computer-vision-model-released/31030
https://forum.inaturalist.org/t/new-vision-model-training-started/27378
https://www.inaturalist.org/blog/59122-new-vision-model-training-started