Via the Steam store:
- Fixed Nullifier applying its Mute to sleeping units
Dota 2 update for March 8, 2018
View all patches · Build 2588472 · Last edited August 11, 2018 – 09:06:01 UTC by 
wickedplayer494
Rumor has it:
- Size is up to ~30 MB
View Dota2 game tracking changes c38adefeee for this build
No meaningful changes could be identified for this build automagically.