Arctic Fox has been updated to version 27.9.19 in the MintPPC repository since today. To get this new version do the following:
sudo apt update
sudo apt upgrade
The changelog can be found here. As you can see many bugfixes have been applied. The work is truly impressive. Thanks to wicknix, Ricardo Mottola, xeno74 and m.oudenhoven for bringing this up to date browser to the PowerPC Linux community.