This a few days old but for those unaware, there's been another balance patch for WC3 on the PTR. There are changes to anti-cheat, map pool, and balance. This is the 2nd major Warcraft 3 update in 6 months. Matchmaking was also updated a few months ago.
Changelogs are here:
https://us.battle.net/forums/en/bnet/topic/20765477065 - balance
https://us.battle.net/forums/en/bnet/topic/20765457081 - maps
https://us.battle.net/forums/en/bnet/topic/20765647087 - big fixes and link to installation
Changelogs are here:
https://us.battle.net/forums/en/bnet/topic/20765477065 - balance
https://us.battle.net/forums/en/bnet/topic/20765457081 - maps
https://us.battle.net/forums/en/bnet/topic/20765647087 - big fixes and link to installation