Bugs and Technical issues topic

I noticed there was no general sticky topic for all kinds of bugs and technical issues, and just simply having them in one big thread instead of 500 little ones seems.... innefective.
So I thought I would just start here. So, mods, please sticky, it's gonna be handy in the future.
A number of the things I noticed. (Whatever I noticed, I played the game on XBOX 360)

Framerate: The framerate is almost always good, especially in SP or playing with 1-3 friends, protecting your moneyboll from teh botzorz. But when the action heats up online, the framerate tends to drop, and weapon behave erratically. Assault rifles spew out less bullets, and with erratic delays. Sniper shots just get.. "skipped", and a lot of guns and turrets glitch when the framerate becomes incredibly low. We've all seen it happen in older games, and sadly. This one too. Is this a technical issue with the xbox, does it not have enough power? This happens a lot to me in crossfire matches. It also makes it really, really hard to stick people with bombs. (which I try a lot)

Lag: The game generally has quite a bit of lag in matches here and there. Never really did happen in... any other games. And my internet is easily fast enough to cope with the simple XYZ cordinates and other information this game sends. They're not sendin my actual character model or whatever through there, you already have those resources. I don't know why this game lags -- but it might be some crappy host connections. I don't know, but me and my friends get this a lot, and it kind of makes this game "meh" after a while.

Aiming sensitivity: Sometimes, after respawning, or some intense firefight, my aiming speed is... uber low. I'm not stunned or anything, no funny effects, I didn't get into a scuffle with a sniper trap or a slamming gunner, nothing near, but I would aim incredibly slowly, and I would have to manually adjust my aim sensitivty and set it to something higer. Get out of the options. Go in the game, aim around, and set it back to normal (when I go to the options, it's actually set to the normal level). This happens very rarely, but tends to kill me when it happens (due to the fact that I'm not able to look)

For the remainder, I would like to encourage people to post bugs or glitches here, for easy review. (And so we don't have the need for 500 extra topics, most of which consist of the same few glitches and bugs)

You just said this would be inneffective...

Whats the point of making another one of these threads when there are already others like this...

That should be self-explanatory. Hoping that the mods will sticky this one. Or any other one, I don't really know or care. I just want them to sticky one. Be it this one or any other one. I'm pretty sure it'd help. Besides, a good topic name helps, and this one pretty much covers everything relevant to this sub-forum.