Right now boots of Mobility prevent CC, the use of active items and breaks CC from items such as Rylai's and Frozen Mallet. Guardian angel passive also doesn't work, using an elixir also doesn't work, blue buff and red buff also doesn't work. Haven't tried Baron or Elder dragon buff either. Lastly, the passive move speed from the boots doesn't stop after taking damage and all displacement abilities don't work, unable to cast mobility spells and the exploding plant also doesn't move you. Weird interaction as well, taste of blood with boots of mobility also makes it for every attack including spells so Liandry's is a bigger heal that Warmog's passive out of combat heal.