• migrated from dropwizard 2 to dropwizard 4, Java 17+ is now required
• entries that were fetched and inserted in the database but not yet shown in the UI are no longer marked as read when
  marking all entries as read
• your custom sidebar width is now persisted in the local storage of your browser
• there is now a third color scheme option in addition to light and dark: system (follows the system color scheme)
• added support for youtube playlist favicons
• custom JS code is now executed when the app is done loading instead of when the page is loaded
• the favicon is now correctly returned for feeds that return an invalid content type
• the feed refresh engine now uses httpclient5 with connection pooling and no longer creates a new client for each
  request, reducing CPU usage
• updated UI library Mantine to 7.0, improving performance
• the h2 embedded database is now compacted on shutdown to reclaim unused space
• the admin connector on port 8084 is now disabled in config.yml.example. Disabling it in your config.yml is
  recommended (see 929df60)
• migrated documentation from swagger 2 to openapi 3
• added a GET method to the fever api to indicate that the endpoint is working correctly when accessed from a browser
• the websocket connection can now be disabled, the websocket ping interval and the tree reload interval can now be
  configured (see config.yml.example)
• the websocket connection now works correctly when the context root of the application is not "/"
• unstable pubsubhubbub support was removed