Comments
You can add and answer comments in your notebooks. To add a comment, go to the comments section of a block
by clicking its Comments button in the block toolbar. There, you can browse the block's comments or add new ones.
You can use Markdown in your comments.
When you export a Notebook, comments are not exported with it.
To add comments, you need Write permission on the notebook. To see comments, you need
to have Read code permission. The author of a comment can edit and delete it.
Notebook comments
In the notebook sidebar you can see a list of all comments in the notebook. You can search and
filter them by status, and you can also jump to the block by using the Go to block button.
Resolved and unresolved comments
When you add a comment, it is unresolved by default. Both the icons for block and notebook comments will have a badge displaying the current number of open comments in that context.
You can mark a comment as resolved by clicking the Mark as resolved button in the comment.