Kubuntu

I would prefer this one for UI consistency and it is open source and we can setup PWA as well https://github.com/ente-io/auth?tab=readme-ov-file#-download

30% of my mangas are located on mangadex and the others are located on different sources. That's good because my migration process to other sources is not really tedious. That's why diversification of different sources are important nowadays

You can use this https://github.com/keiyoushi/tachiyomi-extensions

VBA support is non existant on Linux

yup it comes back with this https://docs.google.com/document/d/1wHvqQwCYdJrQg4BKlGIVDLksPN0KpOnJWniT6PbZSrI/edit?pli=1

for convenience 90% Steam. But, some gog games works OOTB with Heroic

my company give choice to use Firefox and Chrome and it is mandatory to install those browsers on those computers. But, 95% use Chrome.

Octopath Traveler and Bravely Default is the best

if protonvpn for Linux support split tunneling like PIA then I will move to protonvpn ASAP

vba macros on excel is not good on Libreoffice

if the documents exchanged by others used complex macros written on VBA using excel it looks pretty bad on Libreoffice.