This is a paid feature.
Following repositories are supported:
You can open or copy browser link to:
Actions are available from:
It is also possible to copy link from browser and a notification in IDE will appear which allows to open given file in IDE. For example:
https://bitbucket.org/user/repository/src/a2bda0f550dd43111145b9f4a03e331f049dec28/test.txt#lines-4