If you can’t replicate a result 100% of the time then it’s not something you can time against. You can’t time against what you’re not seeing. You can time against the player and let luck take over. That’s as far as it goes.
There’s definitely a lag to just about everything you do that wasn’t in Vanilla. You forget that just because the game might use the same batching latency, it is executed differently than Vanilla with the new engine. My analogy is running a game from the 80s where the timing is tied to clock speeds on a machine today with the same timing - it will not be accurate. The numbers will be, but will not function properly unless you make changes to the way code executes.
And I remember being “out of range” on top of people. Welcome to gaming on the internet when things don’t funciton properly 100% of the time. That’s still not an excuse.
Here you go: WoW Classic Era - “Not A Bug” List - Updated April 22, 2021 - #23 by Kaivax
There are more people with low latency now than there were in 2006, so we expect for some it might feel different