API changes

• Bumped API version number to 6.0.
• Added new endpoints to manage users, mount points and settings more granularly.
• Added support for authenticating via bearer tokens generated by the /auth endpoint. These token can be submitted via Bearer HTTP Authorization headers, or as a URL parameters (auth_token).
• Authentication using cookies or Basic HTTP Authorization headers is deprecated and will be removed in a future revision.
• Authentication cookies no longer expire after 24 hours. The newly added bearer tokens also have no expiration data.
• Last.fm account linking now requires a short-lived auth token obtain from the newly added `lastfm/link_token' endpoint.

Server

• ⚠️Breaking change⚠️ If you use a config file, please put the reindex_every_n_seconds and album_art_pattern in a [settings] section.
• ⚠️Breaking change⚠️ The installation process on Linux has changed a lot. See the README for updated installation instructions. A summary of the changes is available here.
• Embedded album art is now supported for mp3, flac and m4a files (thanks @saecki).
• OPUS files can now be indexed and streamed (thanks @zaethan).
• APE files can now be indexed and streamed.
• The collection indexer has been rewritten for better performance. This also fixed an issue where on some machines, the web client would be unusable while indexing (thanks @inicola for the code reviews).
• Thumbnail generation is now slightly faster, and works with more pixel formats (notably RGBA16).
• Polaris now uses actix-web instead or rocket. This change fixes numerous performance and stability issues.
• Sqlite is now bundled by default when building Polaris and was removed from the list of prerequisites. This can be controlled with the bundle-sqlite feature flag when compiling Polaris.
• The default album art pattern now includes the jpeg extension in addition to jpg.
• Album art patterns are now case insensitive.

Web client

• ⚠️Breaking change⚠️ Your current playlist will appear broken after this update. Please clear the current playlist using the trash can icon. Saved playlists are not affected.
• Added a logout button.
• Reworked interface for managing user accounts.
• Added a shuffle button to randomly re-order the content of the current playlist.
• The total duration of the current playlist is now displayed.
• Audio output can now be toggled on/off by clicking the volume icon.
• Individual discs from multi-disc albums can now be dragged into the playlist.
• When browsing to album, songs are now displayed and queued in filepath order.
• Fixed a bug where albums could not be dragged from the random or recent views.
• Fixed a bug where directories with a # sign in their name could not be browsed to.

Server

• Added Support for m4a files (thanks @rayrrr)
• Performance improvements to collection indexing (thanks @lnicola)
• On Windows, the installer now contains a polaris-cli.exe file which can be used to run the Polaris server as a command line program instead of a tray application

Server

• Fixed a bug where the /flatten endpoint (used by the Queue All function) could return songs from directories with similar names (agersant/polaris-web#53)
• Fixed a bug where it was possible for users to remove their own admin permissions (agersant/polaris-web#54)

Web client

• The web client no longer needs access to Google CDN to display the intended fonts (#78)
• Minor font changes (most noticeable in the "recent" and "random" pages)
• Fixed a bug where pressing some buttons within the settings page would cause the page to reload (agersant/polaris-web#52)

Web client

• Fixed a bug where saving a playlist would reload the page
• Fixed a bug where app layout was broken when opening a saved playlist

Server

Support UNIX platforms that aren't Linux (thanks @wezm)

Server

• Library indexing speed is now significantly faster
• When indexing files that have malformed ID3 tags, information preceding the error will no longer be discarded
• Deleted users can no longer make requests using an existing session
• When using a config file, existing users, mounts points and DDNS settings are no longer removed before applying the configuration
• When using a config file to create users, blank usernames are now ignored
• Improved architecture and added more unit tests

API Changes

• API version number bumped to 4.0
• The auth endpoint now returns HTTP cookies instead of a JSON response
• Client requests to update Last.fm status no longer return an error if no Last.fm account is associated with the user
• The thumbnail endpoint now supports an option to disable padding to a square image

Web client

• The web client now uses Vue instead of Riot as its UI framework
• Added support for theming

Server

• Compatible with current versions of the Rust nightly compiler
• Fixed a rare crash when indexing corrupted mp3 files
• On Linux, Polaris now notifies systemd after starting up
• Release tarball for Linux version now includes a top-level directory
• User sessions no longer break across server restarts (more improvements still to do on this: #36)
• ⚠️Breaking change: due to improvements in Polaris credentials management, you will have to re-create your users and playlists after upgrading to this version. If you want to preserve your playlists, you can use a program like DB Browser for SQLite to back up your playlists (from db.sqlite within your Polaris installation directory) and restore them after you re-create users with the same names.

Web client

• Song durations are now listed when available
• Fixed a bug where clicking on breadcrumbs did not always work when the Polaris server is hosted on Windows
• Current track info now shows in browser tab title
• Fixed a semi-rare bug where indexing would not start during initial setup flow
• Improved handling of untagged songs
• Fixed a bug where playlist had padding in Chrome
• Fixed a bug where folder icons did not render on some systems

Thank you to @lnicola for working on most of the server changes!

Server

• Polaris servers now ship with an interactive API documentation, available at http://localhost:5050/swagger
• When using a prefix URL in Polaris config files, a / will no longer be added automatically at the end of the prefix

Web client

• Automatically bring up player panel when songs are queued
• Fixed a bug where songs were not always correctly sorted by track number in browser panel
• Fixed a bug where some button hitboxes didn't match their visuals

Server

• Rewrote all endpoints and server setup using Rocket instead of Iron
• Fixed a bug where special characters in URL to collection folders were not handled correctly (bumped API version number)
• Server API is now unit tested
• Fixed a bug where lastFM integration endpoints did not work
• ⚠️ Compiling Polaris now requires the nightly version of the Rust compiler

Web client

• Encode special characters in URL to collection folders

Server

• Added new API endpoints for search
• Added new API endpoints for Last.fm integration
• Thumbnails are now stored as .jpg images instead of .png
• Duration of some audio files is now being indexed
• On Linux when running as a forking process, a .pid file will be written
• Fixed a bug where usernames were inserted in session even after failed authentication

Web client

• Added search panel
• Added settings tab to link Last.fm account