You've gotten better definitely. There's still a lot of room for improvement, but it's fascinating to me that you've come this far. I have to say though, the two things I particularly almost can't stand about your performance are A. Your body language and movement, and B. Your misuse of power and tone in your singing.
To elaborate:
A. Please try to pay attention because I'm saying it hoping you will get better - your covers are best viewed while looking at a different tab. You're trying to imitate some of James' moves and stage banter that he pulls off in the band's most heavy, upbeat songs, or you're simply acting like a Power Metal frontman. That doesn't work usually since firstly, most of DT's songs don't mesh with the way James moves in, say, Lie's video clip. This song is a serious song with a slightly dark tone about post traumatic stress disorder, and while the guitar and the drums may set a powerful tone, James sings it in a very light, vulnerable tone to pass the message properly. So waggling your hands and throwing fists doesn't help much.
Secondly, even if some of the movement does fit the tone, remember you are in Youtube and filming yourself in your room - this is not a stage, and the environment makes any kind of excessive body language seem ridiculous.
B. I think the issue with your phrasing and singing comes from lack of breathing - it does seem like your breathing between lines, sometimes you might need to breathe while singing a line and pausing for a moment to accentuate the words you're singing. It seems like you're running out of air during segments like "I'm hanging on the edge" or "No magic pill can bring it back again" (during the bold words), so these words really lose their tone and power, and you also get a little flat on your tone. The lack of breathing almost makes it seem like you're "mumbling out loud". You should try to do something like "No magic pill" *pause for a short, quick breath* "can bring it back" *another breath* "AGAaaaaaiiinnnn"
Also, until you get the low/normal segments right, please try to avoid improvising high notes not present in the studio version. Improvs in lower/normal keys can be beautiful as well, and high notes require much higher skill to pull off. Beside that, you still need to develop a sense of when it's appropriate to pull a high note. When singers don't wait for the right "climax" moment of the song, it tends to sound like they're trying to scream some mucus out of their throat rather than pull an impressive achievement.