Every Major Rework in Team Fortress 2: Zombie Infection

During this Scream Fortress XV event, some major changes to the Zombie Infection gamemode have arrived recently, some of which will heavily impact gameplay and turn the tides toward giving the zombies a greater fighting chance against the mercenaries. Here's all major reworks and balancing changes, including the recent October 19th update.
Special thanks to:
‪@Lingulini‬ as Medic ( / @lingulini )
@Carrottoe1867 as Engineer ( / @carrottoe1867 )
@Beefythestronk for the awesome thumbnail art ( / beefy-the-stronk ) [and] ( / beefybonk )
And YOU for watching! Please let me know if you would enjoy seeing more guides around this format!