Well tbh I didn't realize that Thunderbird had an Android release. Looks to be about a year old? That's super new in the history of Thunderbird, and I don't know anything about how it works.
If there's no theming support, then yeah, at minimum a dark mode is a totally reasonable request.
If there's no theming support, then yeah, at minimum a dark mode is a totally reasonable request.
edit: or were you talking about HN?