Via the Steam Store:

<ul style="padding-bottom: 0px; margin-bottom: 0px;" ><li>Added AsiaFortress Cup Season 11 tournament medals <li>Added the Chapelaria Ultiduo Season 1 tournament medals <li>Added the TFCL 6v6 Alpha and Season 2 tournament medals <li>Added the TFCL Ultiduo Alpha, Season 2, and Season 3 tournament medals <li>Added the Blapature Co. Contributor 2017 community event medal <li>Added the TF2Maps 72hr TF2Jam Summer Participant 2017 community medal <li>Fixed a server crash related to vote-kick <li>Fixed a client crash related to previewing bundles in the Mann Co. Store <li>Fixed being able to accept a duel request during the round-end bonus time <li>Fixed rockets fired by Halloween bosses not displaying particle effects if Halloween is not active (community request) <li>Strange Soda Poppers can now accept Critical Kills strange parts <li>Updated the localization files <li>Mannpower update<ul style="padding-bottom: 0px; margin-bottom: 0px;" ><li>All-class<ul style="padding-bottom: 0px; margin-bottom: 0px;" ><li>Players can no longer taunt when grappled to an enemy (you can still taunt if an enemy has grappled to you) <li>Players can no longer grapple while frozen before a round starts or while stunned <li>Fixed not equipping the grapple when accepting the prompt about equipping it</ul><li>Engineer<ul style="padding-bottom: 0px; margin-bottom: 0px;" ><li>Halved the number of wrench hits needed to upgrade buildings</ul><li>Pyro<ul style="padding-bottom: 0px; margin-bottom: 0px;" ><li>Reduced grapple movement speed when hooked into another player because of their advantage in close quarters <li>Reduced the rate of rage gain when carrying a powerup</ul><li>Agility<ul style="padding-bottom: 0px; margin-bottom: 0px;" ><li>Reduced grapple movement speed bonus when carrying the intelligence</ul><li>Knockout<ul style="padding-bottom: 0px; margin-bottom: 0px;" ><li>Reduced melee damage bonus <li>Updated health bonus per class<ul style="padding-bottom: 0px; margin-bottom: 0px;" ><li>Spy, Sniper, Engineer, Scout, and Heavy increased <li>Medic, Soldier, and Demoman unchanged <li>Pyro and Demoknight decreased</ul></ul><li>Precision<ul style="padding-bottom: 0px; margin-bottom: 0px;" ><li>Removed radius damage falloff on explosive projectiles <li>Removed self-blast damage</ul> <li>Resistance and Vampire<ul style="padding-bottom: 0px; margin-bottom: 0px;" ><li>Added immunity to reflect damage</ul></ul></ul>