- [shopify] support windsorstore.com ([#1793](https://github.com/mikf/gallery-dl/issues/1793))
- [twitter] add `url` to user objects ([#1787](https://github.com/mikf/gallery-dl/issues/1787), [#1532](https://github.com/mikf/gallery-dl/issues/1532))
- [twitter] expand t.co links in user descriptions ([#1787](https://github.com/mikf/gallery-dl/issues/1787), [#1532](https://github.com/mikf/gallery-dl/issues/1532))
- show a warning if an extractor doesn`t yield any results ([#1428](https://github.com/mikf/gallery-dl/issues/1428), [#1759](https://github.com/mikf/gallery-dl/issues/1759))
- add a `j` format string conversion
- implement a `fallback` option ([#1770](https://github.com/mikf/gallery-dl/issues/1770))
- implement a `path-strip` option
### Changes
- [shopify] use API for product listings ([#1793](https://github.com/mikf/gallery-dl/issues/1793))
- update default User-Agent headers
### Fixes
- [deviantart] prevent exceptions for "empty" videos ([#1796](https://github.com/mikf/gallery-dl/issues/1796))
- [deviantart] remove the "you need session cookies to download mature scraps" warning ([#1777](https://github.com/mikf/gallery-dl/issues/1777), [#1776](https://github.com/mikf/gallery-dl/issues/1776))