A significant number of PC Titanfall players are reporting that the latest patch has caused some new performance issues. Users are complaining of markedly increased loading times, the game loading them into matches a few seconds after the game has started, and increased lag.
The latest patch, notes, added various new fixes and tweaks, as well as the introduction of a new private match mode, but apparently it's causing new problems. shows that there's more than a few players being affected.
There's no official response from Respawn yet, but we'll keep an eye on the official channels for any updates.