2021-06-10 UTC
# 
petermolnar eons ago it was Thunderbird, then rss2email, then a hacked version of rss2email that embedded images (wasn't a great idea, emails became 10+MB), then miniflux v1 for a long time, then liferea, and currently feedbro: https://addons.mozilla.org/en-GB/firefox/addon/feedbroreader/