I've reloaded my weapons and my clip stay empty. I try swap weapon and that doesn't work.
This happened to me so many times today.

For weapon attachment. I can swap to any attachment weapon correctly, but hologram.
I swap to hologram attachment and the animation was played, but my fire mode stay the same.
So, I have to swap fire mode again. This always happened to me since demo, but seams this affect no one except me.