Steps to reproduce
Starting from scratch, what are the steps to make the bug happen? The fewer the steps, the better.
Create a new document, and input a '#' in document title notes.
What do you expect to see after carrying out the steps above?
Tag auto-complete window should pop up.
Instead of the expected result, what happened?
The window didn't pop up.
Which operating system are you using? Which browser are you using? If you're using a desktop or mobile app, what's the version number of Dynalist?
Win 10, desktop app version 1.0.47
Anything else you think would help our investigation, like a screenshot or a log file? You can drag and drop screenshots to this box. For large amount of text, try putting them into something like Pastebin.