I'm playing on PC NA and I'm experiencing LESS lag and technical issues since this week's update. Last night I was able to stay logged in for several hours with no crashes, nor did I need to restart my client for being stuck in a loading screen like I previously had to do prior to this update.
This is a NOTICEABLE improvement that many others are reporting.
The true test will be this weekend's performance on Trueflame when all 3 populations will be pop locked.