LastPass now requires users to set a complex master password with a minimum of 12 characters; users have been able to set a weaker master password since 2018 (Sergiu Gatlan/BleepingComputer)
https://www.bleepingcomputer.com/news/security/lastpass-now-requires-12-character-master-passwords-for-better-security/
http://www.techmeme.com/240104/p9#a240104p9