Below, we’ve listed the areas that may experience some disruption.
Deleting, loving and tagging scrobbles
Account creation, account deletion, profile editing and password changing
Uploading avatar / profile pictures (expected to be available tomorrow)
Shouts (expected to be turned on tomorrow) and private messaging
Following and unfollowing of users (expected to be available tomorrow)
Event attendance
Subscription changes
Wiki editing
Event creation and editing
Authentication of third-party apps (Third-party apps can now be authenticated)

Б-г дал им тестинг и престейбл. Нет, блядь, надо хуйнуть в продукшон и допиливать под вопли недовольных пользователей.

Написал скробблер для mpv: http://dump.bitcheese.net/files/utyreso/lastfm.lua

Last.fm неслабо подъёбывает, выдавая в эндпоинте user.getRecentTracks то объект, то массив.