I was Underwater in my 1.3.2 world I had just updated to 1.4.4 to test it out and when i went underwater and was swimming around (survival) I went into an air pocket kind of thing under water and the air meter (the bubbles in the left corner) dissapared. But then i started drowning i checked it again and again when you are in a air pocket the bubbles go away but you keep losing them

What I expected to happen was...:
The bubbles to stay or to not keep drowning

What actually happened was...:
the bubbles went down when in a little air bubble

Steps to Reproduce:
1. go under water
2. Do what's in the picture
PS. I removed the hud