There are two really annoying issues: if you click on a tweet, it does not create a pop-up like it used but redirects you away from your timeline to the user page of that tweet; it does the same thing if you try to click on a retweeted tweet.
UPDATE: The fix doesn't work for me.. i'm using Firefox 70beta12

does what it advertises but has some pesky functionality issues. if you click on a tweet, it does not create a pop-up like it used but redirects you away from your timeline to the user page of that tweet, which is super annoying. does the same thing if you try to click on a retweeted tweet. i will likely be looking for another work around because these 2 issues are just too annoying for me.

Best thing since sliced bread!

Thank you!! What a god-send.

Excellent! You're genies! Now paste/copy function is working! Please keep improving this brilliant piece! Thank you so much!

This add-on is killer! The only functionality it seems to really be missing is the old way of how tweets would pop out from the website instead of taking you to a new page on the user's profile. What I mean is like...when you clicked on a tweet on your timeline, it would simply pop out the tweet and you could interact with it there. Now, it acts as though you went to a permalink for the tweet and takes you to it on the poster's profile.

Incredible work! This one nit-pick (which is only mildly inconvenient) is my only complaint and would bump my 4-star rating to 5.

EDIT: I just had to clear my cookies. Oof, I did a dumb. Excellent work, everything functions as it used to!

Thank you! I'd been using a different fix, but it stopped working. Thanks to this, no more new Twitter layout!

Thank you for this because the other one as show in that picture you cant even tell where you are suppose to make your tweet. Its horrible. Like a 4th grader made it.

Thank you for creating an easy-to-use.

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使いやすいです!!

Thank you, very much!
有難うございました

I can't say thank you enough for this!!!!