Tautulli

* Newsletters:
* New: Added authentication options for self-hosted newsletters.
* Change: Check if the Tautulli footer has been removed in custom newsletter templates.
* Notifications:
* Fix: Cloudinary images not working for Twitter notifications.
* API:
* Fix: Return proper HTTP status codes for errors.

* Newsletters:
* New: Option to toggle between inline or internal CSS style templates.
* New: Button to delete all uploaded images from Imgur/Cloudinary.
* Fix: Long titles overflowing the newsletter cards.
* Change: Self-hosted images on newsletters to use the /image endpoint instead of proxying through /newsletter/image.
* Change: Strip whitespace from newsletter for smaller file size before sending to email.
* API:
* New: Added get_stream_data command to API.
* New: Added newsletter API commands to documentation.

* Newsletters:
* Change: Setting to specify static URL ID name instead of using the newsletter ID number.
* Change: Reorganize newsletter config options.

* Newsletters:
* New: Added setting for a custom newsletter template folder.
* New: Added option to enable static newsletter URLs to retrieve the last sent scheduled newsletter.
* New: Added ability to change the newsletter output directory and filenames.
* New: Added option to save the newsletter file without sending it to a notification agent.
* Fix: Check for disabled image hosting setting.
* Fix: Cache newsletter images when refreshing the page.
* Fix: Refresh image from the Plex server when uploading to image hosting.
* Change: Allow all image hosting options with self-hosted newsletters.
* UI:
* Change: Don't retrieve recently added on the homepage if the Plex Cloud server is sleeping.
* Other:
* Fix: Imgur database upgrade migration.

* Newsletters:
* Fix: Newsletter URL without an HTTP root.

* Newsletters:
* Fix: HTTP root doubled in newsletter URL.
* Fix: Configuration would not open with failed hostname resolution.
* Fix: Schedule one day off when using weekday names in cron.
* Fix: Images not refreshing when changed in Plex.
* Fix: Cloudinary upload with non-ASCII image titles.
* Other:
* Fix: Potential XSS vulnerability in search.