Can't Drag Files to Dropbox Folder in Catalina

Thanks for submitting the tickets, KOA1 and berm2b!

I found them and have replied to you, so when you get the chance, please check your inbox and we'll go from there. 

Looking forward to hearing back from you!

I have been working on this problem since last year. After many communications, I received the text below, offered FYI:

From the Dropbox Advanced Team:

"We are aware there are some issues with the Drag, and Drop functionality on Catalina. This should still work, but in order for this to work you will need to drag the file to Dropbox, and wait until the Dropbox folder open to allow it.
We logged this issue with our engineering team in the past. I have added your comments to that discussion.
This is a complex issue to solve - it’s going to take some time to solve correctly for all of our users.
I’ll continue to watch the team’s progress and make sure they are aware of how this affects you.
Let me know if you have any other questions, and I will be happy to help.
Thank you for contacting Dropbox support, and have a great day.
Regards, ..."

I tried the suggested command in Terminal

IFS=$'\n'; for path in `python -c $'import os\nimport json\nfor key, value in json.loads(open(os.path.expanduser("~/.dropbox/info.json")).read()).items():\n print value["path"].encode("utf-8")'`; do echo "$path"; xattr -d com.apple.quarantine "$path"; done

My Terminal appears to start up in Bash so I didn't need to use the command to switch to Bash

The problem is fixed.  Thank you!

I can confirm this works.

If you don't want to change your shell all the time, you can also just paste this into a file (mine was called dropbox-fix.sh):

#!/bin/bash

IFS=$'\n';
for path in `python -c $'import os\nimport json\nfor key, value in json.loads(open(os.path.expanduser("~/.dropbox/info.json")).read()).items():\n print value["path"].encode("utf-8")'`; do
    echo "$path";
    xattr -d com.apple.quarantine "$path"
done

It's the same script from before. Save it in your home folder. Go to a terminal and type the following commands:

chmod +x ~/dropbox-fix.sh
~/dropbox-fix.sh