Adda

I especially appreciate that the graph is designed as “Linux” and “Other” instead of “Windows”, maybe “MacOS” and “Other”.

You are mistaking KMail (desktop client by KDE) and K-9 Mail (Android client that is being rebranded into Thunderbird for Android).

Beside Lemmy 0.18.0 linking primarily to your own instance’s mirror of the community from other instance, there is also a browser addon trying to solve this issue if you ever end up on a wrong instance. (If you do not find the button to redirect to your instance, try refreshing the page.)